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Creating Knowledge out of Interlinked Data




          Intelligent Information Management
                                    Collaborative Project 2010-2014
                             in Information and Communication Technologies



        Project No. 257943
        Start Date 01/09/2010




                                                                             http://lod2.eu
EU-FP7 LOD2 Project Overview . 02.09.2010 . Page 1                            http://lod2.eu
Creating Knowledge out of Interlinked Data



             The Emerging Web of Data: Achievements and Challenges

      Web - a global, distributed platform for data, information and knowledge integration
      exposing, sharing, and connecting pieces of data, information, and knowledge on the
       Semantic Web using URIs and RDF
                                                     Achievements                     Challenges
                                                      1. Extension of the Web with a 1. Coherence: Relatively few,
                                                         data commons (currently         expensively maintained links
                                                         amounting to 25 Bn. facts) 2. Quality: partly low-quality data
July 2007      April 2008       September 2008
                                                      2. Vibrant, global RTD             and inconsistencies
                                                         community                    3. Performance: Still substantial
                                                                                         penalties compared to relational
                                                      3. Industrial uptake begins
                                                                                      4. Data Consumption: large-scale
                                                         (e.g. BBC, Thomson Reuters,
                                                                                         processing, schema mapping
                                                         Eli Lilly)
                                                                                         and data fusion still in its infancy
                                                      4. Emerging governmental        5. Usability: Missing direct end-
                                                         adoption in sight               user tools and network effect
                                                      5. Establishing Linked Data as
                                                         a deployment path for the These issues are closely related
                                                         Semantic Web.               and should ultimately lead to an
                                                                                      eco-system of interlinked
 July 2009                                                                            knowledge!

     EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 2                                                       http://lod2.eu
Creating Knowledge out of Interlinked Data



                                        LOD2 in a Nutshell (1)
Research Focus
 very large RDF data
  management
 knowledge enrichment &
  interlinking
 fusion & information
  quality
 adaptive, semantic user interfaces

Use Cases
 Media & Publishing
 Enterprise Data Webs
 Open Gov Data
 Public Sector Contracts

Main Result
 integrated LOD2 Stack for Linked
  Data lifecycle management

Partners
ULEI, CWI, NUIG, FUB/UMA, SWCG,
OGL, Tenforce, Exalead, WKD, OKFN,
UEP, ZEM, I2G, IMP, KAIST

EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 3               http://lod2.eu
Creating Knowledge out of Interlinked Data



                                        LOD2 in a Nutshell (2)

                 LOD2
                 EC-funded collabarotive project that aims to utilize the Web as an integration platform for data
                 and information



                 Linked Data
                 Linked Data provides the necessary basic technologies and standards to realize the goal of LOD2.


                 Linked Open Data
                 publicly accessible data which is to be integrated into the web and linked among one another
                 and with non-public contents such as enterprise intranets



                 Project Highlights
                 Open Government Linked Data Initiative
                 Common European platform publicdata.eu

                 Leading Web 3.0 technologies are combined in the project into the coherent LOD2 Stack (e.g.
                 DBpedia, Virtuoso, Sindice, Silk)

EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 4                                                      http://lod2.eu
Creating Knowledge out of Interlinked Data



           WP1: Requirements, Design & LOD2 Stack Prototype

 Use Case High-Level Abstraction




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 5        http://lod2.eu
Creating Knowledge out of Interlinked Data



                                         WP1: Use Case Objectives
                                                   Objective of WP8:
                                Applying Linked Data technologies in an enterprise stack
                                      to support Human Resources-related issues.


                                                           ENTERPRISE
                                                          APPLICATIONS

                                                            (Exalead)




Objective of WP7:                            MEDIA                    OPEN                 Objective of WP9:
                                               &                   GOVERNMENT
Supporting content-related                 PUBLISHING                 DATA                 Improving accessibility, findability
production workflows in the                                                                and reusability of Open
media & publishing industry.                 (Wolters                     (Open            Government Data.
                                              Kluwer                    Knowledge
                                             Germany)                   Foundation)




     EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 6                                                       http://lod2.eu
Creating Knowledge out of Interlinked Data



          WP2: Storing & Querying very Large Knowledge Bases
                                                                     MonetDB as advanced experimentation platform
                                                                      first RDF enabled prototype released Aug2012
Goal:
 Enabling large-scale, feature-rich & enterprise-ready Linked Data
  management solutions
                                                                              V7: Vectorized Column-Store (a la CWI)
Database Partners in LOD2:                                                              Full release in 2012

 CWI - Leading open source analytics RDBMS
 OGL - Leading linked data deployment platform

Technological Excellence:                                                  LOD2 spawned the LOD Benchmark Council
                                                                                                   LDBCouncil.org
 Creating and publishing metrics for choosing RDF solutions                                        starts Oct 2012
 Bringing Column Store Technology for Business Intelligence on RDF
 Ground-breaking database innovations for RDF stores
  (Dynamic Query Optimization, Adaptive Caching of Joins, Optimized Graph
   Processing, Cluster/Cloud Scalability) Six papers published on RDF column stores, large-scale query
                                                     processing, benchmarking (1 EDBT, 1 IEEE DEBULL, 3 ISWC, 1TPCTC)

EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 7                                                     http://lod2.eu
Creating Knowledge out of Interlinked Data



                  WP2: Linked Open Data for Real in Your Apps

Business Advantages:
   Enrich your application with (free & rich) Linked Open Data
   RDF store technology has lower deployment costs than relational for “ragged” (untidy) data

Technological Flexibility:
   Deliver schema-last flexibility and inference at relational data warehouse cost and performance
   Grow as you go: LOD2 platform dynamically adapts to your usage patterns and structure of your data
   Integrate, resolve, align anything: schema, instance identity

Rich Features for Complex Applications:
   Advanced SPARQL and SQL query processing
   SPARQL and SQL federation                                       Virtuoso V7: much more compact, much faster

   Full text, geospatial, text search
                                                     Virtuoso Cluster V7: Distributed Asynchronous Queues (DAQ)
   Scale-out on clusters, replication                recursive, function-shipping declarative cluster programming

EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 8                                                    http://lod2.eu
Creating Knowledge out of Interlinked Data



                                                     WP3: Goals

General Goal:
   Extraction, Enrichment, Repair (EER) of knowledge bases

Focus:
   very large knowledge bases, diverse knowledge, web data
   refine existing (Virtuoso Sponger, RDF Views, Triplify, D2R) triplification approaches
   improve schema of knowledge based on data
   fix problems in knowledge bases, e.g. inconsistencies

Techniques:
 semi-automatic machine learning, ontology debugging, NLP, shallow parsing,etc.




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 9                                           http://lod2.eu
Creating Knowledge out of Interlinked Data



                     WP3: Knowledge Base Improvement Cycle


Mutual Refinement Cycle
(with optional Extraction phase)
                                                        Modelling
                                                        Problems

                                                                Repair

                                                              Performance
                                                               Problems


                                                                                          Disjoint-
                                              Semi-                                         ness
                           Structured                                       Definitions
                                           structured
                                  Extraction                                       Enrichment


                                       Un-                                          Linkage
                                   structured                                      Validation




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 10                                                   http://lod2.eu
Creating Knowledge out of Interlinked Data



             WP3: Multilingual Support for Information Extraction

Standard information extraction techniques can be used to extract the information from
documents in different natural languages, but the use of available linguistic resources (e.g.
electronic dictionaries) can simplify their application.

Goals:
   To integrate an information extraction tool into the LOD2 Stack that can use the available
    linguistic resources, which will be able to represent the information extracted from natural
    language documents in the linked data format

   To integrate the document searching tool, which will be able to learn domain-specific
    vocabularies (words and phrases) in different languages and then, using these
    vocabularies and previously processed natural language documents, to provide a list of
    similar documents sorted according to the semantic similarity to the given one




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 11                                  http://lod2.eu
Creating Knowledge out of Interlinked Data



                WP3: Tasks and Results – Knowledge Extraction
Knowledge Extraction Wikipedia Page
Overview on http://en.wikipedia.org/wiki/Knowledge_extraction ( Wiki page was bootstrapped by LOD2)
Knowledge Extraction from structured sources:
          relational databases, spreadsheets, CMS, logs, XML documents
          many tools created and/or improved: D2R, Triplify, Virtuoso Sponger, SPARQLMap, SPARQLIFY, Poolparty
           (http://poolparty.biz)
          LOD2 Google Refine extension: http://code.zemanta.com/sparkica/download.html
Knowledge Extraction from semi-structured sources:
          Wikis, HTML
          DBpedia Live Extraction http://live.dbpedia.org
          internationalization of DBpedia http://wiki.dbpedia.org/Internationalization
          extension of DBpedia framework for all MediaWikis e.g. http://wiki.dbpedia.org/Wiktionary
          large-scale text mining and entity detection from blogs (led by Zemanta)
Knowledge Extraction from unstructured sources:
          textual sources and Natural Language Processing (NLP)
          NLP2RDF and NIF 1.0 specification of an RDF/OWL vocabulary to convert NLP tool output to RDF
          project and reference implementations available at http://nlp2rdf.org
          Demo: http://nlp2rdf.lod2.eu/demo.php
EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 12                                                http://lod2.eu
Creating Knowledge out of Interlinked Data



                                       WP3: Tasks and Results

Knowledge Base Schema Enrichment
   learn axioms in knowledge bases, e.g. disjointness, definitions, super-classes
   development of ORE and DL-Learner
   enrichment of ontologies with multilingual information to allow language-independent search

Knowledge Base Repair
   fix inconsistencies, modeling problems, reasoning performance problems
   development of ORE

Web Linkage Validator
   reports whether knowledge base is suitable to be interlinked with others




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 13                                      http://lod2.eu
Creating Knowledge out of Interlinked Data



             WP4: Reuse, Interlinking and Knowledge Fusion (1)

Goal: Provide open-source software components for link generation, schema
      mapping, data quality assessment and knowledge fusion.




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 14                         http://lod2.eu
Creating Knowledge out of Interlinked Data



             WP4: Reuse, Interlinking and Knowledge Fusion (2)

Technological Excellence:
    Ease the creation of RDF links by using machine-learning as well as link quality assessment
     workbench
    Provide for the flexible integration of Web data based on mappings discovered on the Web
    Provide for assessing the quality of Web data and fusing high-quality data.


Expected Outcomes:
1.   Link discovery tools, linking assist and workbench
2.   Framework for publishing and discovering expressive mappings on the Web
3.   Data quality assessment framework providing for a wide range of different quality assessment
     policies
4.   Data fusion components providing various conflict resolution strategies
5.   LOD-enabled data cleansing tool leveraging crowd intelligence to improve the quality of linked data



EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 15                                         http://lod2.eu
Creating Knowledge out of Interlinked Data



             WP4: Reuse, Interlinking and Knowledge Fusion (3)

Progress:
1.   Link discovery tools, linking assist and workbench

     First version of Silk Workbench              Data Linking Environment
            released in Feb 2012                  Released in Aug 2012

2.   Framework for publishing and discovering expressive mappings on the Web
     Mapping Publication and Discovery                Mapping Publication and Discovery
     Language specified in Jul 2011                   Framework released in Feb 2012

3.   Data quality assessment framework providing for different quality assessment policies
     Sieve Quality Assessment Language                 Data Quality Assessment Tool
     specified in Feb 2012                             released in Aug 2012

4.   Data fusion components providing various conflict-resolution strategies
     Sieve Data Fusion Language                Initial version of Data Fusion
     released in Feb 2012                      Component released in Aug 2012
EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 16                                       http://lod2.eu
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     WP4: Involvement of KAIST (Associated Partner from Korea)

Goals:
   Building Korean, Chinese and Japanese RDF data integration platform for Linked Data
   Multilingual Linked Data Fusion of Chinese and Japanese DBpedia with Korean and English DBpedia



Current Status:
   Secured Korean government funding support
   Original project scope expanded to involve an industry partner, Synapsoft, due to the Korean
    government funding requirement
   Successfully completed and submitted work on Korean Resource Linking Assist.
   Installed on the developing webpage for Korean NLP2RDF in http://semanticweb.kaist.ac.kr/nlp2rdf/.
   In preparation of Chinese and Japanese data for the work on Asian Resource Linking Assist




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 17                                         http://lod2.eu
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WP5: Linked Data Browsing, Visualization, and Authoring Interfaces

Goal:
The objectives of WP5 are to develop new browsing, visualization and authoring interfaces for
LOD, which support a wide range of devices (from mobile phones to desktop PCs), which
integrate heterogeneous information from various sources and support the evolution of both
instance data as well as information structures over time. In order to achieve these objectives
we will explore new browsing and visualization paradigms.

Partners:
   Universität Leipzig (ULEI)
   Stichting Centrum voor Wiskunde en Informatica (CWI)
   National University of Ireland, Galway (NUIG)
   Freie Universität Berlin (FUB)
   Semantic Web Company GmbH (SWCG)


EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 18                                 http://lod2.eu
Creating Knowledge out of Interlinked Data



                                        WP5: Task Breakdown




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 19           http://lod2.eu
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                                           WP 5: Deliverables

In general, our concerns are: the browsing, visual representation, and creation of linked data
through various mediums. Our ongoing and delivered components for LOD2 include:
Faceted Spatial Browsing
                     LinkedGeoBrowser – a linked data spatial semantic browser
                     Madr – a linked data augmented reality viewer
Tools to search, browse and inspect datasets
                     RDFAuthor – an adaptive RDF widget interface
                     Sig.ma Enterprise Edition (Sig.ma EE) – an interactive information
                      visualizer for linked data
                     SparqlEd - an assisted SPARQL query writer


Plus other LOD powered widgets and social networking applications



EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 20                                   http://lod2.eu
Creating Knowledge out of Interlinked Data



        WP6: Interfaces, Integration & LOD2 Stack (1)

This work package deploys the LOD2 stack, a repository of downloadable packages.
With these components the whole LOD lifecycle is supported.


                                             The development of the LOD2 stack is driven by the
                                             application cases elaborated in WP7, WP8, WP9, WP9a and
                                             WP6.

                                             WP6 will deliver the following:
                                                     Integrated user-interface components
                                                     Integrated LOD2 Stack API components
                                                     Documentation, Tutorials
                                                     Evaluation of the LOD2 Stack




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 21                                          http://lod2.eu
Creating Knowledge out of Interlinked Data



                  WP6: Interfaces, Integration & LOD2 Stack (2)
                                        WP2 – WP5:
Output WP1                                Develop
                                        components

Use Case                                                                                                     WP7:
 Media &                                                                                                    Media &
                                           Yearly releases
Publishing                                                                                                 Publishing
                     Requirements/
                                                                                              Applied on
                     Prerequisites




 Use Case                                                       Generates
                                                                                  Open                        WP8:
                  Requirements/                                                                 Applied
 Enterprise       Prerequisites                               packages with      Source           on        Enterprise
                                                             integrated tools
 Data web                                                                       Package                     Data web
                                               SAF                              LOD2 stack
                                     (Software Assembly Factory)
                     Requirements/                                              Released on
                                         Starts on 09/2011                       • 09/2012
                     Prerequisites                                                            Applied on
 Use Case                                                                        • 09/2013                 WP9, WP9a:
                                                                                 • 09/2014
Government                                                                                                 Government
   Data                                                                                                       Data

                                                                                feedback


EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 22                                                            http://lod2.eu
Creating Knowledge out of Interlinked Data



                         WP6: Evaluation of the LOD2 Stack (3)

LOD2 Stack Repository:

   http://stack.lod2.eu/deb/distributions/dists/


LOD2 Stack Demo server:

   http://demo.lod2.eu/lod2demo


LOD2 Stack Documentation:

   http://wiki.lod2.eu/display/LOD2DOC/Home




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 23              http://lod2.eu
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     WP6: Flexible Solutions for Different Application Domains (4)

Goals:
   In-depth analysis of different application scenarios
   Identification of LOD2 functional components that adequately respond to specific
    application requirements
   Evaluation of the suitability of the LOD2 approach for different domains by building
    prototype applications
   Development of a stack configurator that will enable
        automatic initialization and configuration of the LOD2 Stack for domain-specific Linked
         Data applications
        potential users to create their own personalized version of the LOD2 Stack




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 24                                    http://lod2.eu
Creating Knowledge out of Interlinked Data



                                         WP7: LOD2 for Publishers

Wolters Kluwer Deutschland (WKD):
“Semantic Technologies and Standards are an enabler for the media and publishing industry to
create added-value for their customers with reasonable costs.“

              WKD Legal & Regulatory
Companies/Brands         Products (Examples)
- Carl Heymanns Verlag   - IP, Administrative Law                    WKD is part of Wolters Kluwer B.V.
- Luchterhand            - Civil, Family, Labor Law
- Werner Verlag          - Construction Law                   Customer orientation        Worldwide reach
- Carl Link              - Publications for Schools/KiTas     - Lawyers                   - Europe
- CW Haarfeld            - Public Health Insurance            - Tax Accountants           - North America
- Deutscher              - Magazin „Personalwirtschaft“ (HR   - Corporations and SMEs     - Asia/Pacific
Wirtschaftsdienst        Management)                          - Fincancial institutions
- AnNoText               - SW for Lawyers and Notaries        - Health Providers          Economic success
- Trigon Data                                                 - Public Sector             - Revenue 2010 EUR 3,6 bln.
                                                                                          - 19.000 Employees
               WKD Tax & Accounting                                                       - Listed Amsterdam SE

Companies/Brands         Products (Examples)
- Akademische Arbeits-   - Tax SW for Consumers
gemeinschaft Verlag
- Addison Group          - SW for Tax Accountants
- Schleupen Tax          - SW for SMEs with focus
- Wago Curadata          Controlling and Accounting



EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 25                                                           http://lod2.eu
Creating Knowledge out of Interlinked Data



                               WP7: WKD as a Consumer of LOD Data


  Content Supply
     Chain of
                               Content                     Composing            Publishing                      Customer
 Wolters Kluwer                              Editing                                           Sales                               Customer
                               Acquisition                 Bundling             Interfacing                     Service
  Deutschland
       (WKD)




                Content Acquisition                          Content Enrichment                               Enterprise Applications


Acquisition of LOD governmental data           Enrichment of WKD data                             Data integration in Enterprise and other
                                                                                                  Costumer Applications
- Laws & Regulations                           - Enrichment with additional metadata from
                                               the LOD cloud                                      - Integration of customer and WKD data with
- Court cases
                                                                                                  data from the LOD cloud
                                               - Automatic Interlinking within WKD data, but
- Administrative Rulings
                                               also into the LOD cloud                            - Development of new services, e.g. around
- Statistical information                                                                         metadata economics
                                               Based on:
Based on:                                                                                         Based on:
                                               - Adequate delivery format
- Adequate delivery format                                                                        - Adequate functionality
                                               - Adequate metadata
- Adequate metadata                                                                               - Adequate APIs
                                               - Adequate functionality
- Adequate Licensing and IPR                                                                      - Adequate Licensing and IPR
                                               - Adequate Licensing and IPR


EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 26                                                                              http://lod2.eu
Creating Knowledge out of Interlinked Data



                       WP7: WKD as a Publisher of LOD Data


  Content Supply
     Chain of
                        Content                         Composing            Publishing                     Customer
 Wolters Kluwer                          Editing                                           Sales                                 Customer
                        Acquisition                     Bundling             Interfacing                    Service
  Deutschland
     (WKD)




                                                         Cloud - Publishing                                Marketing measures


                                            Development of WKpedia                            Integration in overall marketing strategy of
                                                                                              WKD
                                            - Publishing of enriched governmental
                                            information                                       - Dissemination of LOD2 in media and
                                                                                              publishing sector
                                            - Publishing of legal domain thesauri
                                                                                              - Launching surveys
                                            - Motivating contextualisation in LOD cloud
                                                                                              - Permanent information of customers
                                            Based on:
                                                                                              - Sponsoring of conferences
                                            - Adequate functionality
                                                                                              Based on:
                                            -Adequate APIs
                                                                                              - Clear scope of LOD2 project to support future
                                            - Adequate Licensing and IPR
                                                                                              publishing paradigms



EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 27                                                                          http://lod2.eu
Creating Knowledge out of Interlinked Data



                 WP8: Towards Linked Enterprise Data Webs (1)
 Linked Enterprise Intra Data Webs can fill the gap between Intra-/Extranets and ERP systems
 and facilitates data integration along value-chains within and across enterprises.
 The pragmatic, incremental, vocabulary-based Linked Data approach reduces data integration
 costs significantly.
 Objective:
                                                                Web
    Promote openness and standards                           publishing

     in enterprise data workflows
     and applications




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 28                                       http://lod2.eu
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            WP8: Linked Enterprise Data Use Case Scenario (2)


Wage policy EBI:
   Build an application for surveying wage policy in a company, domain, sector, region, etc.

Scenarios:
   A company wants to know if its wage policy is consistent with the market (in similar
    and related companies and sectors).
   A job applicant would like to have an idea about his wage expectations according to his
    expertise, profile and education background
   A governmental agency would like to survey the salaries in a particular region according
    to an economic branch and other parameters




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 29                                  http://lod2.eu
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                               WP8: Linked Enterprise Data (3)


Targeted Service:
     A Saas service with different levels of subscription
    The service is a mashup of payroll and HR data of enterprises subscribing to
     the service to build an index store of data facts about wages.
    Different consolidation parameters and key performance indicators (KPI) will
     be studied to provide relevant reports and visualisation interfaces.
    Integration of external datasets in a particular survey: public datasets in the
     web cloud or private datasets of participating companies.
    Privacy issues management: make private and nominative data anonymous.




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 30                                    http://lod2.eu
Creating Knowledge out of Interlinked Data



                                                WP8: Linked Enterprise Data (4)
                  Preliminary Overview




                         Search and
                        EBI interface
                                                                                              Employees and
Full text                                                                                      HR database
 index




       Indexer


                                                                                 Data
                      Data            Data           Data          Data    LODification and                    Taxonomies
                  consolidation   enrichment,    Cleaning and    crawler    anonymisation
                                   annotation   uniformisation



  RDF
 store                       SPARQL                                                              Payroll software
                            endpoint
            EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 31                                            http://lod2.eu
Creating Knowledge out of Interlinked Data



                       WP9: Open Government Data Use Case
Overview
PublicData.eu is a prototype of a pan-European data catalogue and federation mechanism, developed by OKFN
as part of the FP7-funded LOD2 project. Based on the CKAN open-source data portal, the site is developed as a
use case and an early adopter of the LOD2 linked data stack technologies.




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 32                                                http://lod2.eu
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                                               WP9: Key Stats


   Publicdata.eu provides robust and useful search, filtering and previewing tools.
   It currently houses 17027 data sets, harvested from 18 data catalogues, and it provides the
    option to browse data sets by top-level categories.




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 33                                http://lod2.eu
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                                                WP9: Results

Technical improvements to Publicdata.eu during the past year

   In March 2012 we upgraded PublicData.eu to CKAN version 1.6, adding the data preview
    functionality (powered by Recline), improvements to search, interface improvements to dataset
    pages, newly added resource (file) pages and group pages.

   We also re-ran all the harvesters to have the most up to date set of datasets. Some catalogues
    have been migrated to groups on thedatahub.org and therefore can't currently be harvested
    without also including non EU datasets. In the future we may resolve this by extending the
    harvester to allow us to specify which groups or tags should be harvested. This would allow us to
    import relevant datasets from thedatahub.org without importing non EU datasets.

   Many new CKAN instances have recently been launched by various countries, which we hope to
    include in our harvesting for the intermediate launch (August 2013)




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 34                                       http://lod2.eu
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                                          WP9: Next Steps (1)

  Further technical improvements to Publicdata.eu :

      Improvements that have been already implemented (Personalization features)
             activity streams and follow support (i.e. allowing users to subscribe to information
              based on the region of interest, language and other Social /sharing buttons)

      Improvements scheduled for the next site releases (Personalization features)
             ability to rate datasets (by users or via QA extension)
             allow users to add/revise their own data sets
             users to contribute tools and mash-ups and visualization/Data store
             “related" extension allowing users to link to and from their data
             add Disqus comments extensions




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 35                                            http://lod2.eu
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                                          WP9: Next Steps (2)

   Ckan core technology improvements (Harvesting)
          ability to only harvest changed data
          ability to harvest part of a site (i.e. A particular group)
          automate the harvesting process so that the data in publicdata.eu is always up to date.Run
           harvesters more often/automatically
          show harvesting info publicly - Success/Failure alerts in the UI

   Additional features
          adding more advanced multilingual capabilities to the portal
          adding an RDF datastore




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 36                                         http://lod2.eu
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WP9: Linked Open Government Data in the West Balkan Countries


Objectives:

   deployment of the
    LOD2 Stack to
    government data from
    this region

   establishment and
    maintainance of the
    Serbian CKAN

   provision of best
    practice examples




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 37    http://lod2.eu
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                WP9: Linked Open Government Data Scenarios

National Statistical Office Use Case:
   using LOD2 tools for publishing and integrating statistical data into the LOD Cloud

Scenarios:
   A company interested in investing in Southeast Europe wants to search the PublicData.eu portal,
    download and analyse an extended set of economic indicators for the countries in this region
    and compare them with indicators from the UK.

   A statistician preparing reports on a monthly, quarterly and yearly basis would like to publish
    the reports in a machine-processable format and integrate them into the LOD2 Cloud.

   An IT Administrator maintaining the central repository of statistical classifications and statistical
    indicators in a standard machine-processable format would like to link the national code lists
    with the ones recommended by EUROSTAT, as well as to enrich their description with
    information from DBpedia.



EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 38                                               http://lod2.eu
Creating Knowledge out of Interlinked Data



                WP9: Linked Open Government Data Scenarios

Polish Ministry of Economy Use Case
   Using LOD2 tools for publishing and integrating Polish economy data into the LOD cloud
   mission: to support Polish enterprises in data search, acquisition and using for decision making


Main Datasets
   INSIGOS – Online Business Information System (multidimensional reports on economy)
   CEIDG – Central Register and Information on Economic Activity (of natural persons)
   public procurement data

Tasks Overview
   requirements analysis – identification of main datasets, their intended use
   adoption of the LOD2 Stack for Polish economy data
   a showcase – sample application showing advantages of LOD for enterprises




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 39                                          http://lod2.eu
Creating Knowledge out of Interlinked Data



                              WP9a: LOD2 for Public Contracts


 Research Focus:
     creating linked data for public sector contracts
     matching the demand of public sector bodies with linked commerce data
     analytics of linked data for public sector contracts

 Results:
     In the second year of the project, the Public Contracts Ontology was developed, which
      provides semantics to multiple triplified datasets (the European TED system and
      various national-level ones).

 Next Step:
     An application for public contracts filing and management is under construction.



EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 40                                 http://lod2.eu
Creating Knowledge out of Interlinked Data



WP10: Training, Dissemination, Community Building & Fertilization (1)

The general aim of this work package is to establish a worldwide focal point for academic,
governmental and industry parties interested in contributing to or taking advantage of the
novel Linked Data methodologies and components, which will emerge in the project.

In particular, our activities will be targeted at:
   informing the community of the state-of-the-art developments taking place in the
    field,
   disseminating the project results in order to foster community building and
    to create an impact on industry and research in Europe and worldwide,
   providing training and consultancy to interested audiences in the technologies
    developed throughout the project




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 41                                  http://lod2.eu
Creating Knowledge out of Interlinked Data



WP10: Training, Dissemination, Community Building & Fertilization (2)

                Training Activities                               Dissemination Activities
   Internal face-to-face training                           Scientific dissemination
   External training                                        Industrial dissemination
   PhD programme                                            Online marketing activities across all identified
                                                              target groups

                                 Training and Dissemination in Korea
KAIST will, for instance, ensure the penetration of LOD2 results in a dynamic Asian country by organizing a
number of events and outreach activities, such as:
   two research-oriented Data Web symposia aiming to bring together relevant researchers in Asia with the
    LOD2 consortium,
   two industry workshops aiming at disseminating LOD2 results to Korean and Japanese companies and to
    facilitate cooperation and market entry of industrial LOD2 partners,
   already hosted 2012 International Asian LOD Summer School, attended by 35 students and 15
    lecturers, from 13/08-17/08/2012
    (http://semanticweb.kaist.ac.kr/2012lodsummer)

EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 42                                                    http://lod2.eu
Creating Knowledge out of Interlinked Data



           WP10: Most Important LOD2 Dissemination Resources
Website:                   http://lod2.eu

Weblog:                    http://blog.lod2.eu

Twitter:                   http://twitter.com/lod2project

Mailing List:              lod2@lists.okfn.org

SlideShare:                http://www.slideshare.net/lod2project

PUBLINK:                   http://lod2.eu/Article/Publink.html

Webinar Series:            http://lod2.eu/BlogPost/webinar-series

Flickr Account:            http://www.flickr.com/photos/lod2/

                                       European Data Forum:           http://data-forum.eu


                                                      #lod2 . @lod2project . #lod2stack

EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 43                                          http://lod2.eu
Creating Knowledge out of Interlinked Data



            PubLink – LOD2’s Linked Open Data Starter Service
   PubLink helps selected organizations with a focused consulting in the course of
    mini projects to publish and make use out of Linked (Open) Data
   PubLink helps to evaluate the LOD2 technologies and to
    increase the wealth of Linked Data
   Annual application deadline is always in Winter (end of respective year)
   2012 PubLink participants include:

    1.     Food and Agriculture Organization of the United Nations (FAO), Italy
    2.     European Environment Agency, Denmark
    3.     Birmingham City Council, Great Britain
    4.     Municipality of Udine, Italy
    5.     Statistical Office of the Republic of Serbia, Serbia
    6.     Bezirksverordnetenversammlung Berlin-Kreuzberg, Germany

   For details see: http://lod2.eu/Article/Publink.html




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 44                                   http://lod2.eu
Creating Knowledge out of Interlinked Data



            LOD2 Webinar Series – Online Trainings on LOD Tools
One of the most extensive training activities within the LOD2 project is the online seminar
(webinars) series. It serves to make the main technologies in use and the major outcomes of the
project known to an audience of international scope.
LOD2 Webinars available:

       1.    Semantic Search (via PoolParty) – June 2011
       2.    Linked Data Management – November 2012
       3.    LOD2 Stack 1st Release – November 2011
       4.    Virtuoso – December 2011
       5.    Ontowiki – January 2012
       6.    SILK Workbench –Februar 2012
       7.    LIMEs & SAIM – March 2012
       8.    Linked Data and SKOS – April 2012
       9.    D2R and Sparqlify – April 2012
       10. CloudView – May 2012
       11. PoolParty Thesaurus Manager (PPT) – June 2012

For details (infos, presentations, recordings) see: http://lod2.eu/BlogPost/webinar-series
EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 45                                          http://lod2.eu
Creating Knowledge out of Interlinked Data



                     WP11: Exploitation and Standardization (1)


Objectives:
 Realizing the vision of the LOD2 project and use case studies
 Standardisation of LOD2 architecture
 Exploitation of knowledge and technical results


Exploitation:
 Use case studies and the industrial and end-user community partners will drive the exploitation.
 Tracking important technical and commercial in information retrieval, data management including news and
  media.
 Publish exploitation plan identifying opportunities, benefits and impact of LOD2 consortium.
      First LOD2 Exploitation Plan produced in M12




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 46                                                  http://lod2.eu
Creating Knowledge out of Interlinked Data



                     WP11: Exploitation and Standardization (2)
Intellectual Property Rights (IPR):
 Core component of the LOD2 stack will be published under open-source license.
 Domain adoptions of LOD2 stack considered on case-by-case basis to protect IPR.
 Strategy ensures that all components of LOD2 are royalty-free.
     First IPR Strategy plan produced in M18


Standardization:
 Actively participating in appropriate standards bodies.
 Establishing a W3C Linked data interest group.
     W3C Linked Data Interest and WebID Incubator groups established


Orchestration with other projects:
 Encourage take-up of LOD2 technologies by other projects.
 Foster input from other EU projects relevant for the development of LOD2
     ESWC Project Networking Track M20
     Annual Summer School ULEI
EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 47                                 http://lod2.eu
Creating Knowledge out of Interlinked Data



                                         WP12: Fact Sheet (1)

Project
 Instrument:        Large-Scale Integrating Project
 Objective:         Intelligent Information Management
 Call:              FP7-ICT-2009-5
 Duration:          09/2010 – 08/2014




Means
 Total Budget:             9,9 M€
 Total Funding:            7,2 M€
 Total Resources:          1132 PM




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 48             http://lod2.eu
Creating Knowledge out of Interlinked Data



                                         WP12: Fact Sheet (2)
Consortium – 15 Partners from 11 European Countries + 1 Associated Partner from Korea

Universität Leipzig (Coordinator),        Centrum Wiskunde & Informatica,    National University of Ireland in
Germany                                   Netherlands                        Galway, Irland
Freie Universität Berlin/Universität      OpenLink Software,                 Semantic Web Company,
Mannheim, Germany                         United Kingdom                     Austria
TenForce,                                 Exalead,                           Wolters Kluwer Deutschland,
Belgium                                   France                             Germany
Open Knowledge Foundation,                Vysoka Škola Ekonomická v Praze,   Zemanta d.o.o.,
United Kingdom                            Czech Republic                     Slovenia
                                                                             Korea Advanced Institute of Science
Instytut Informatyki Gospodarczej,        Institut Mihajlo Pupin,
                                                                             and Technology,
Poland                                    Serbia
                                                                             South Korea




EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 49                                                  http://lod2.eu
Creating Knowledge out of Interlinked Data



Contact

Address                                       Coordinator

University of Leipzig                         Dr Sören Auer
Faculty of Mathematics and Computer Science   Scientific Project Leader
Department of Computer Science                Phone: +49 (341) 97-32367
Institute of Business Information Systems
                                              Fax:     +49 (341) 97-32329
Postfach 100920                               Email: auer@uni-leipzig.de
04009 Leipzig                                 http://www.informatik.uni-leipzig.de/~auer
Germany
                                              Nadine Jänicke
                                              Project Manager
                                              Phone: +49 (341) 97-32332
                                              Fax:     +49 (341) 97-32329
                                              Email: jaenicke@uni-leipzig.de
                                              http://bis.informatik.uni-leipzig.de/NadineJaenicke




Thanks for your attention!                                                                          http://lod2.eu
LOD2 Title . 02.09.2010 . Page 50                                                                    http://lod2.eu

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LOD2 General Presentation 2012

  • 1. Creating Knowledge out of Interlinked Data Intelligent Information Management Collaborative Project 2010-2014 in Information and Communication Technologies Project No. 257943 Start Date 01/09/2010 http://lod2.eu EU-FP7 LOD2 Project Overview . 02.09.2010 . Page 1 http://lod2.eu
  • 2. Creating Knowledge out of Interlinked Data The Emerging Web of Data: Achievements and Challenges  Web - a global, distributed platform for data, information and knowledge integration  exposing, sharing, and connecting pieces of data, information, and knowledge on the Semantic Web using URIs and RDF Achievements Challenges 1. Extension of the Web with a 1. Coherence: Relatively few, data commons (currently expensively maintained links amounting to 25 Bn. facts) 2. Quality: partly low-quality data July 2007 April 2008 September 2008 2. Vibrant, global RTD and inconsistencies community 3. Performance: Still substantial penalties compared to relational 3. Industrial uptake begins 4. Data Consumption: large-scale (e.g. BBC, Thomson Reuters, processing, schema mapping Eli Lilly) and data fusion still in its infancy 4. Emerging governmental 5. Usability: Missing direct end- adoption in sight user tools and network effect 5. Establishing Linked Data as a deployment path for the These issues are closely related Semantic Web. and should ultimately lead to an eco-system of interlinked July 2009 knowledge! EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 2 http://lod2.eu
  • 3. Creating Knowledge out of Interlinked Data LOD2 in a Nutshell (1) Research Focus  very large RDF data management  knowledge enrichment & interlinking  fusion & information quality  adaptive, semantic user interfaces Use Cases  Media & Publishing  Enterprise Data Webs  Open Gov Data  Public Sector Contracts Main Result  integrated LOD2 Stack for Linked Data lifecycle management Partners ULEI, CWI, NUIG, FUB/UMA, SWCG, OGL, Tenforce, Exalead, WKD, OKFN, UEP, ZEM, I2G, IMP, KAIST EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 3 http://lod2.eu
  • 4. Creating Knowledge out of Interlinked Data LOD2 in a Nutshell (2) LOD2 EC-funded collabarotive project that aims to utilize the Web as an integration platform for data and information Linked Data Linked Data provides the necessary basic technologies and standards to realize the goal of LOD2. Linked Open Data publicly accessible data which is to be integrated into the web and linked among one another and with non-public contents such as enterprise intranets Project Highlights Open Government Linked Data Initiative Common European platform publicdata.eu Leading Web 3.0 technologies are combined in the project into the coherent LOD2 Stack (e.g. DBpedia, Virtuoso, Sindice, Silk) EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 4 http://lod2.eu
  • 5. Creating Knowledge out of Interlinked Data WP1: Requirements, Design & LOD2 Stack Prototype Use Case High-Level Abstraction EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 5 http://lod2.eu
  • 6. Creating Knowledge out of Interlinked Data WP1: Use Case Objectives Objective of WP8: Applying Linked Data technologies in an enterprise stack to support Human Resources-related issues. ENTERPRISE APPLICATIONS (Exalead) Objective of WP7: MEDIA OPEN Objective of WP9: & GOVERNMENT Supporting content-related PUBLISHING DATA Improving accessibility, findability production workflows in the and reusability of Open media & publishing industry. (Wolters (Open Government Data. Kluwer Knowledge Germany) Foundation) EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 6 http://lod2.eu
  • 7. Creating Knowledge out of Interlinked Data WP2: Storing & Querying very Large Knowledge Bases MonetDB as advanced experimentation platform first RDF enabled prototype released Aug2012 Goal:  Enabling large-scale, feature-rich & enterprise-ready Linked Data management solutions V7: Vectorized Column-Store (a la CWI) Database Partners in LOD2: Full release in 2012  CWI - Leading open source analytics RDBMS  OGL - Leading linked data deployment platform Technological Excellence: LOD2 spawned the LOD Benchmark Council LDBCouncil.org  Creating and publishing metrics for choosing RDF solutions starts Oct 2012  Bringing Column Store Technology for Business Intelligence on RDF  Ground-breaking database innovations for RDF stores (Dynamic Query Optimization, Adaptive Caching of Joins, Optimized Graph Processing, Cluster/Cloud Scalability) Six papers published on RDF column stores, large-scale query processing, benchmarking (1 EDBT, 1 IEEE DEBULL, 3 ISWC, 1TPCTC) EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 7 http://lod2.eu
  • 8. Creating Knowledge out of Interlinked Data WP2: Linked Open Data for Real in Your Apps Business Advantages:  Enrich your application with (free & rich) Linked Open Data  RDF store technology has lower deployment costs than relational for “ragged” (untidy) data Technological Flexibility:  Deliver schema-last flexibility and inference at relational data warehouse cost and performance  Grow as you go: LOD2 platform dynamically adapts to your usage patterns and structure of your data  Integrate, resolve, align anything: schema, instance identity Rich Features for Complex Applications:  Advanced SPARQL and SQL query processing  SPARQL and SQL federation Virtuoso V7: much more compact, much faster  Full text, geospatial, text search Virtuoso Cluster V7: Distributed Asynchronous Queues (DAQ)  Scale-out on clusters, replication recursive, function-shipping declarative cluster programming EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 8 http://lod2.eu
  • 9. Creating Knowledge out of Interlinked Data WP3: Goals General Goal:  Extraction, Enrichment, Repair (EER) of knowledge bases Focus:  very large knowledge bases, diverse knowledge, web data  refine existing (Virtuoso Sponger, RDF Views, Triplify, D2R) triplification approaches  improve schema of knowledge based on data  fix problems in knowledge bases, e.g. inconsistencies Techniques:  semi-automatic machine learning, ontology debugging, NLP, shallow parsing,etc. EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 9 http://lod2.eu
  • 10. Creating Knowledge out of Interlinked Data WP3: Knowledge Base Improvement Cycle Mutual Refinement Cycle (with optional Extraction phase) Modelling Problems Repair Performance Problems Disjoint- Semi- ness Structured Definitions structured Extraction Enrichment Un- Linkage structured Validation EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 10 http://lod2.eu
  • 11. Creating Knowledge out of Interlinked Data WP3: Multilingual Support for Information Extraction Standard information extraction techniques can be used to extract the information from documents in different natural languages, but the use of available linguistic resources (e.g. electronic dictionaries) can simplify their application. Goals:  To integrate an information extraction tool into the LOD2 Stack that can use the available linguistic resources, which will be able to represent the information extracted from natural language documents in the linked data format  To integrate the document searching tool, which will be able to learn domain-specific vocabularies (words and phrases) in different languages and then, using these vocabularies and previously processed natural language documents, to provide a list of similar documents sorted according to the semantic similarity to the given one EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 11 http://lod2.eu
  • 12. Creating Knowledge out of Interlinked Data WP3: Tasks and Results – Knowledge Extraction Knowledge Extraction Wikipedia Page Overview on http://en.wikipedia.org/wiki/Knowledge_extraction ( Wiki page was bootstrapped by LOD2) Knowledge Extraction from structured sources:  relational databases, spreadsheets, CMS, logs, XML documents  many tools created and/or improved: D2R, Triplify, Virtuoso Sponger, SPARQLMap, SPARQLIFY, Poolparty (http://poolparty.biz)  LOD2 Google Refine extension: http://code.zemanta.com/sparkica/download.html Knowledge Extraction from semi-structured sources:  Wikis, HTML  DBpedia Live Extraction http://live.dbpedia.org  internationalization of DBpedia http://wiki.dbpedia.org/Internationalization  extension of DBpedia framework for all MediaWikis e.g. http://wiki.dbpedia.org/Wiktionary  large-scale text mining and entity detection from blogs (led by Zemanta) Knowledge Extraction from unstructured sources:  textual sources and Natural Language Processing (NLP)  NLP2RDF and NIF 1.0 specification of an RDF/OWL vocabulary to convert NLP tool output to RDF  project and reference implementations available at http://nlp2rdf.org  Demo: http://nlp2rdf.lod2.eu/demo.php EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 12 http://lod2.eu
  • 13. Creating Knowledge out of Interlinked Data WP3: Tasks and Results Knowledge Base Schema Enrichment  learn axioms in knowledge bases, e.g. disjointness, definitions, super-classes  development of ORE and DL-Learner  enrichment of ontologies with multilingual information to allow language-independent search Knowledge Base Repair  fix inconsistencies, modeling problems, reasoning performance problems  development of ORE Web Linkage Validator  reports whether knowledge base is suitable to be interlinked with others EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 13 http://lod2.eu
  • 14. Creating Knowledge out of Interlinked Data WP4: Reuse, Interlinking and Knowledge Fusion (1) Goal: Provide open-source software components for link generation, schema mapping, data quality assessment and knowledge fusion. EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 14 http://lod2.eu
  • 15. Creating Knowledge out of Interlinked Data WP4: Reuse, Interlinking and Knowledge Fusion (2) Technological Excellence:  Ease the creation of RDF links by using machine-learning as well as link quality assessment workbench  Provide for the flexible integration of Web data based on mappings discovered on the Web  Provide for assessing the quality of Web data and fusing high-quality data. Expected Outcomes: 1. Link discovery tools, linking assist and workbench 2. Framework for publishing and discovering expressive mappings on the Web 3. Data quality assessment framework providing for a wide range of different quality assessment policies 4. Data fusion components providing various conflict resolution strategies 5. LOD-enabled data cleansing tool leveraging crowd intelligence to improve the quality of linked data EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 15 http://lod2.eu
  • 16. Creating Knowledge out of Interlinked Data WP4: Reuse, Interlinking and Knowledge Fusion (3) Progress: 1. Link discovery tools, linking assist and workbench First version of Silk Workbench Data Linking Environment released in Feb 2012 Released in Aug 2012 2. Framework for publishing and discovering expressive mappings on the Web Mapping Publication and Discovery Mapping Publication and Discovery Language specified in Jul 2011 Framework released in Feb 2012 3. Data quality assessment framework providing for different quality assessment policies Sieve Quality Assessment Language Data Quality Assessment Tool specified in Feb 2012 released in Aug 2012 4. Data fusion components providing various conflict-resolution strategies Sieve Data Fusion Language Initial version of Data Fusion released in Feb 2012 Component released in Aug 2012 EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 16 http://lod2.eu
  • 17. Creating Knowledge out of Interlinked Data WP4: Involvement of KAIST (Associated Partner from Korea) Goals:  Building Korean, Chinese and Japanese RDF data integration platform for Linked Data  Multilingual Linked Data Fusion of Chinese and Japanese DBpedia with Korean and English DBpedia Current Status:  Secured Korean government funding support  Original project scope expanded to involve an industry partner, Synapsoft, due to the Korean government funding requirement  Successfully completed and submitted work on Korean Resource Linking Assist.  Installed on the developing webpage for Korean NLP2RDF in http://semanticweb.kaist.ac.kr/nlp2rdf/.  In preparation of Chinese and Japanese data for the work on Asian Resource Linking Assist EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 17 http://lod2.eu
  • 18. Creating Knowledge out of Interlinked Data WP5: Linked Data Browsing, Visualization, and Authoring Interfaces Goal: The objectives of WP5 are to develop new browsing, visualization and authoring interfaces for LOD, which support a wide range of devices (from mobile phones to desktop PCs), which integrate heterogeneous information from various sources and support the evolution of both instance data as well as information structures over time. In order to achieve these objectives we will explore new browsing and visualization paradigms. Partners:  Universität Leipzig (ULEI)  Stichting Centrum voor Wiskunde en Informatica (CWI)  National University of Ireland, Galway (NUIG)  Freie Universität Berlin (FUB)  Semantic Web Company GmbH (SWCG) EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 18 http://lod2.eu
  • 19. Creating Knowledge out of Interlinked Data WP5: Task Breakdown EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 19 http://lod2.eu
  • 20. Creating Knowledge out of Interlinked Data WP 5: Deliverables In general, our concerns are: the browsing, visual representation, and creation of linked data through various mediums. Our ongoing and delivered components for LOD2 include: Faceted Spatial Browsing  LinkedGeoBrowser – a linked data spatial semantic browser  Madr – a linked data augmented reality viewer Tools to search, browse and inspect datasets  RDFAuthor – an adaptive RDF widget interface  Sig.ma Enterprise Edition (Sig.ma EE) – an interactive information visualizer for linked data  SparqlEd - an assisted SPARQL query writer Plus other LOD powered widgets and social networking applications EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 20 http://lod2.eu
  • 21. Creating Knowledge out of Interlinked Data WP6: Interfaces, Integration & LOD2 Stack (1) This work package deploys the LOD2 stack, a repository of downloadable packages. With these components the whole LOD lifecycle is supported. The development of the LOD2 stack is driven by the application cases elaborated in WP7, WP8, WP9, WP9a and WP6. WP6 will deliver the following:  Integrated user-interface components  Integrated LOD2 Stack API components  Documentation, Tutorials  Evaluation of the LOD2 Stack EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 21 http://lod2.eu
  • 22. Creating Knowledge out of Interlinked Data WP6: Interfaces, Integration & LOD2 Stack (2) WP2 – WP5: Output WP1 Develop components Use Case WP7: Media & Media & Yearly releases Publishing Publishing Requirements/ Applied on Prerequisites Use Case Generates Open WP8: Requirements/ Applied Enterprise Prerequisites packages with Source on Enterprise integrated tools Data web Package Data web SAF LOD2 stack (Software Assembly Factory) Requirements/ Released on Starts on 09/2011 • 09/2012 Prerequisites Applied on Use Case • 09/2013 WP9, WP9a: • 09/2014 Government Government Data Data feedback EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 22 http://lod2.eu
  • 23. Creating Knowledge out of Interlinked Data WP6: Evaluation of the LOD2 Stack (3) LOD2 Stack Repository:  http://stack.lod2.eu/deb/distributions/dists/ LOD2 Stack Demo server:  http://demo.lod2.eu/lod2demo LOD2 Stack Documentation:  http://wiki.lod2.eu/display/LOD2DOC/Home EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 23 http://lod2.eu
  • 24. Creating Knowledge out of Interlinked Data WP6: Flexible Solutions for Different Application Domains (4) Goals:  In-depth analysis of different application scenarios  Identification of LOD2 functional components that adequately respond to specific application requirements  Evaluation of the suitability of the LOD2 approach for different domains by building prototype applications  Development of a stack configurator that will enable  automatic initialization and configuration of the LOD2 Stack for domain-specific Linked Data applications  potential users to create their own personalized version of the LOD2 Stack EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 24 http://lod2.eu
  • 25. Creating Knowledge out of Interlinked Data WP7: LOD2 for Publishers Wolters Kluwer Deutschland (WKD): “Semantic Technologies and Standards are an enabler for the media and publishing industry to create added-value for their customers with reasonable costs.“ WKD Legal & Regulatory Companies/Brands Products (Examples) - Carl Heymanns Verlag - IP, Administrative Law WKD is part of Wolters Kluwer B.V. - Luchterhand - Civil, Family, Labor Law - Werner Verlag - Construction Law Customer orientation Worldwide reach - Carl Link - Publications for Schools/KiTas - Lawyers - Europe - CW Haarfeld - Public Health Insurance - Tax Accountants - North America - Deutscher - Magazin „Personalwirtschaft“ (HR - Corporations and SMEs - Asia/Pacific Wirtschaftsdienst Management) - Fincancial institutions - AnNoText - SW for Lawyers and Notaries - Health Providers Economic success - Trigon Data - Public Sector - Revenue 2010 EUR 3,6 bln. - 19.000 Employees WKD Tax & Accounting - Listed Amsterdam SE Companies/Brands Products (Examples) - Akademische Arbeits- - Tax SW for Consumers gemeinschaft Verlag - Addison Group - SW for Tax Accountants - Schleupen Tax - SW for SMEs with focus - Wago Curadata Controlling and Accounting EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 25 http://lod2.eu
  • 26. Creating Knowledge out of Interlinked Data WP7: WKD as a Consumer of LOD Data Content Supply Chain of Content Composing Publishing Customer Wolters Kluwer Editing Sales Customer Acquisition Bundling Interfacing Service Deutschland (WKD) Content Acquisition Content Enrichment Enterprise Applications Acquisition of LOD governmental data Enrichment of WKD data Data integration in Enterprise and other Costumer Applications - Laws & Regulations - Enrichment with additional metadata from the LOD cloud - Integration of customer and WKD data with - Court cases data from the LOD cloud - Automatic Interlinking within WKD data, but - Administrative Rulings also into the LOD cloud - Development of new services, e.g. around - Statistical information metadata economics Based on: Based on: Based on: - Adequate delivery format - Adequate delivery format - Adequate functionality - Adequate metadata - Adequate metadata - Adequate APIs - Adequate functionality - Adequate Licensing and IPR - Adequate Licensing and IPR - Adequate Licensing and IPR EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 26 http://lod2.eu
  • 27. Creating Knowledge out of Interlinked Data WP7: WKD as a Publisher of LOD Data Content Supply Chain of Content Composing Publishing Customer Wolters Kluwer Editing Sales Customer Acquisition Bundling Interfacing Service Deutschland (WKD) Cloud - Publishing Marketing measures Development of WKpedia Integration in overall marketing strategy of WKD - Publishing of enriched governmental information - Dissemination of LOD2 in media and publishing sector - Publishing of legal domain thesauri - Launching surveys - Motivating contextualisation in LOD cloud - Permanent information of customers Based on: - Sponsoring of conferences - Adequate functionality Based on: -Adequate APIs - Clear scope of LOD2 project to support future - Adequate Licensing and IPR publishing paradigms EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 27 http://lod2.eu
  • 28. Creating Knowledge out of Interlinked Data WP8: Towards Linked Enterprise Data Webs (1) Linked Enterprise Intra Data Webs can fill the gap between Intra-/Extranets and ERP systems and facilitates data integration along value-chains within and across enterprises. The pragmatic, incremental, vocabulary-based Linked Data approach reduces data integration costs significantly. Objective: Web  Promote openness and standards publishing in enterprise data workflows and applications EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 28 http://lod2.eu
  • 29. Creating Knowledge out of Interlinked Data WP8: Linked Enterprise Data Use Case Scenario (2) Wage policy EBI:  Build an application for surveying wage policy in a company, domain, sector, region, etc. Scenarios:  A company wants to know if its wage policy is consistent with the market (in similar and related companies and sectors).  A job applicant would like to have an idea about his wage expectations according to his expertise, profile and education background  A governmental agency would like to survey the salaries in a particular region according to an economic branch and other parameters EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 29 http://lod2.eu
  • 30. Creating Knowledge out of Interlinked Data WP8: Linked Enterprise Data (3) Targeted Service:  A Saas service with different levels of subscription  The service is a mashup of payroll and HR data of enterprises subscribing to the service to build an index store of data facts about wages.  Different consolidation parameters and key performance indicators (KPI) will be studied to provide relevant reports and visualisation interfaces.  Integration of external datasets in a particular survey: public datasets in the web cloud or private datasets of participating companies.  Privacy issues management: make private and nominative data anonymous. EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 30 http://lod2.eu
  • 31. Creating Knowledge out of Interlinked Data WP8: Linked Enterprise Data (4) Preliminary Overview Search and EBI interface Employees and Full text HR database index Indexer Data Data Data Data Data LODification and Taxonomies consolidation enrichment, Cleaning and crawler anonymisation annotation uniformisation RDF store SPARQL Payroll software endpoint EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 31 http://lod2.eu
  • 32. Creating Knowledge out of Interlinked Data WP9: Open Government Data Use Case Overview PublicData.eu is a prototype of a pan-European data catalogue and federation mechanism, developed by OKFN as part of the FP7-funded LOD2 project. Based on the CKAN open-source data portal, the site is developed as a use case and an early adopter of the LOD2 linked data stack technologies. EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 32 http://lod2.eu
  • 33. Creating Knowledge out of Interlinked Data WP9: Key Stats  Publicdata.eu provides robust and useful search, filtering and previewing tools.  It currently houses 17027 data sets, harvested from 18 data catalogues, and it provides the option to browse data sets by top-level categories. EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 33 http://lod2.eu
  • 34. Creating Knowledge out of Interlinked Data WP9: Results Technical improvements to Publicdata.eu during the past year  In March 2012 we upgraded PublicData.eu to CKAN version 1.6, adding the data preview functionality (powered by Recline), improvements to search, interface improvements to dataset pages, newly added resource (file) pages and group pages.  We also re-ran all the harvesters to have the most up to date set of datasets. Some catalogues have been migrated to groups on thedatahub.org and therefore can't currently be harvested without also including non EU datasets. In the future we may resolve this by extending the harvester to allow us to specify which groups or tags should be harvested. This would allow us to import relevant datasets from thedatahub.org without importing non EU datasets.  Many new CKAN instances have recently been launched by various countries, which we hope to include in our harvesting for the intermediate launch (August 2013) EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 34 http://lod2.eu
  • 35. Creating Knowledge out of Interlinked Data WP9: Next Steps (1) Further technical improvements to Publicdata.eu :  Improvements that have been already implemented (Personalization features)  activity streams and follow support (i.e. allowing users to subscribe to information based on the region of interest, language and other Social /sharing buttons)  Improvements scheduled for the next site releases (Personalization features)  ability to rate datasets (by users or via QA extension)  allow users to add/revise their own data sets  users to contribute tools and mash-ups and visualization/Data store  “related" extension allowing users to link to and from their data  add Disqus comments extensions EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 35 http://lod2.eu
  • 36. Creating Knowledge out of Interlinked Data WP9: Next Steps (2)  Ckan core technology improvements (Harvesting)  ability to only harvest changed data  ability to harvest part of a site (i.e. A particular group)  automate the harvesting process so that the data in publicdata.eu is always up to date.Run harvesters more often/automatically  show harvesting info publicly - Success/Failure alerts in the UI  Additional features  adding more advanced multilingual capabilities to the portal  adding an RDF datastore EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 36 http://lod2.eu
  • 37. Creating Knowledge out of Interlinked Data WP9: Linked Open Government Data in the West Balkan Countries Objectives:  deployment of the LOD2 Stack to government data from this region  establishment and maintainance of the Serbian CKAN  provision of best practice examples EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 37 http://lod2.eu
  • 38. Creating Knowledge out of Interlinked Data WP9: Linked Open Government Data Scenarios National Statistical Office Use Case:  using LOD2 tools for publishing and integrating statistical data into the LOD Cloud Scenarios:  A company interested in investing in Southeast Europe wants to search the PublicData.eu portal, download and analyse an extended set of economic indicators for the countries in this region and compare them with indicators from the UK.  A statistician preparing reports on a monthly, quarterly and yearly basis would like to publish the reports in a machine-processable format and integrate them into the LOD2 Cloud.  An IT Administrator maintaining the central repository of statistical classifications and statistical indicators in a standard machine-processable format would like to link the national code lists with the ones recommended by EUROSTAT, as well as to enrich their description with information from DBpedia. EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 38 http://lod2.eu
  • 39. Creating Knowledge out of Interlinked Data WP9: Linked Open Government Data Scenarios Polish Ministry of Economy Use Case  Using LOD2 tools for publishing and integrating Polish economy data into the LOD cloud  mission: to support Polish enterprises in data search, acquisition and using for decision making Main Datasets  INSIGOS – Online Business Information System (multidimensional reports on economy)  CEIDG – Central Register and Information on Economic Activity (of natural persons)  public procurement data Tasks Overview  requirements analysis – identification of main datasets, their intended use  adoption of the LOD2 Stack for Polish economy data  a showcase – sample application showing advantages of LOD for enterprises EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 39 http://lod2.eu
  • 40. Creating Knowledge out of Interlinked Data WP9a: LOD2 for Public Contracts Research Focus:  creating linked data for public sector contracts  matching the demand of public sector bodies with linked commerce data  analytics of linked data for public sector contracts Results:  In the second year of the project, the Public Contracts Ontology was developed, which provides semantics to multiple triplified datasets (the European TED system and various national-level ones). Next Step:  An application for public contracts filing and management is under construction. EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 40 http://lod2.eu
  • 41. Creating Knowledge out of Interlinked Data WP10: Training, Dissemination, Community Building & Fertilization (1) The general aim of this work package is to establish a worldwide focal point for academic, governmental and industry parties interested in contributing to or taking advantage of the novel Linked Data methodologies and components, which will emerge in the project. In particular, our activities will be targeted at:  informing the community of the state-of-the-art developments taking place in the field,  disseminating the project results in order to foster community building and to create an impact on industry and research in Europe and worldwide,  providing training and consultancy to interested audiences in the technologies developed throughout the project EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 41 http://lod2.eu
  • 42. Creating Knowledge out of Interlinked Data WP10: Training, Dissemination, Community Building & Fertilization (2) Training Activities Dissemination Activities  Internal face-to-face training  Scientific dissemination  External training  Industrial dissemination  PhD programme  Online marketing activities across all identified target groups Training and Dissemination in Korea KAIST will, for instance, ensure the penetration of LOD2 results in a dynamic Asian country by organizing a number of events and outreach activities, such as:  two research-oriented Data Web symposia aiming to bring together relevant researchers in Asia with the LOD2 consortium,  two industry workshops aiming at disseminating LOD2 results to Korean and Japanese companies and to facilitate cooperation and market entry of industrial LOD2 partners,  already hosted 2012 International Asian LOD Summer School, attended by 35 students and 15 lecturers, from 13/08-17/08/2012 (http://semanticweb.kaist.ac.kr/2012lodsummer) EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 42 http://lod2.eu
  • 43. Creating Knowledge out of Interlinked Data WP10: Most Important LOD2 Dissemination Resources Website: http://lod2.eu Weblog: http://blog.lod2.eu Twitter: http://twitter.com/lod2project Mailing List: lod2@lists.okfn.org SlideShare: http://www.slideshare.net/lod2project PUBLINK: http://lod2.eu/Article/Publink.html Webinar Series: http://lod2.eu/BlogPost/webinar-series Flickr Account: http://www.flickr.com/photos/lod2/ European Data Forum: http://data-forum.eu #lod2 . @lod2project . #lod2stack EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 43 http://lod2.eu
  • 44. Creating Knowledge out of Interlinked Data PubLink – LOD2’s Linked Open Data Starter Service  PubLink helps selected organizations with a focused consulting in the course of mini projects to publish and make use out of Linked (Open) Data  PubLink helps to evaluate the LOD2 technologies and to increase the wealth of Linked Data  Annual application deadline is always in Winter (end of respective year)  2012 PubLink participants include: 1. Food and Agriculture Organization of the United Nations (FAO), Italy 2. European Environment Agency, Denmark 3. Birmingham City Council, Great Britain 4. Municipality of Udine, Italy 5. Statistical Office of the Republic of Serbia, Serbia 6. Bezirksverordnetenversammlung Berlin-Kreuzberg, Germany  For details see: http://lod2.eu/Article/Publink.html EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 44 http://lod2.eu
  • 45. Creating Knowledge out of Interlinked Data LOD2 Webinar Series – Online Trainings on LOD Tools One of the most extensive training activities within the LOD2 project is the online seminar (webinars) series. It serves to make the main technologies in use and the major outcomes of the project known to an audience of international scope. LOD2 Webinars available: 1. Semantic Search (via PoolParty) – June 2011 2. Linked Data Management – November 2012 3. LOD2 Stack 1st Release – November 2011 4. Virtuoso – December 2011 5. Ontowiki – January 2012 6. SILK Workbench –Februar 2012 7. LIMEs & SAIM – March 2012 8. Linked Data and SKOS – April 2012 9. D2R and Sparqlify – April 2012 10. CloudView – May 2012 11. PoolParty Thesaurus Manager (PPT) – June 2012 For details (infos, presentations, recordings) see: http://lod2.eu/BlogPost/webinar-series EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 45 http://lod2.eu
  • 46. Creating Knowledge out of Interlinked Data WP11: Exploitation and Standardization (1) Objectives:  Realizing the vision of the LOD2 project and use case studies  Standardisation of LOD2 architecture  Exploitation of knowledge and technical results Exploitation:  Use case studies and the industrial and end-user community partners will drive the exploitation.  Tracking important technical and commercial in information retrieval, data management including news and media.  Publish exploitation plan identifying opportunities, benefits and impact of LOD2 consortium.  First LOD2 Exploitation Plan produced in M12 EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 46 http://lod2.eu
  • 47. Creating Knowledge out of Interlinked Data WP11: Exploitation and Standardization (2) Intellectual Property Rights (IPR):  Core component of the LOD2 stack will be published under open-source license.  Domain adoptions of LOD2 stack considered on case-by-case basis to protect IPR.  Strategy ensures that all components of LOD2 are royalty-free.  First IPR Strategy plan produced in M18 Standardization:  Actively participating in appropriate standards bodies.  Establishing a W3C Linked data interest group.  W3C Linked Data Interest and WebID Incubator groups established Orchestration with other projects:  Encourage take-up of LOD2 technologies by other projects.  Foster input from other EU projects relevant for the development of LOD2  ESWC Project Networking Track M20  Annual Summer School ULEI EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 47 http://lod2.eu
  • 48. Creating Knowledge out of Interlinked Data WP12: Fact Sheet (1) Project  Instrument: Large-Scale Integrating Project  Objective: Intelligent Information Management  Call: FP7-ICT-2009-5  Duration: 09/2010 – 08/2014 Means  Total Budget: 9,9 M€  Total Funding: 7,2 M€  Total Resources: 1132 PM EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 48 http://lod2.eu
  • 49. Creating Knowledge out of Interlinked Data WP12: Fact Sheet (2) Consortium – 15 Partners from 11 European Countries + 1 Associated Partner from Korea Universität Leipzig (Coordinator), Centrum Wiskunde & Informatica, National University of Ireland in Germany Netherlands Galway, Irland Freie Universität Berlin/Universität OpenLink Software, Semantic Web Company, Mannheim, Germany United Kingdom Austria TenForce, Exalead, Wolters Kluwer Deutschland, Belgium France Germany Open Knowledge Foundation, Vysoka Škola Ekonomická v Praze, Zemanta d.o.o., United Kingdom Czech Republic Slovenia Korea Advanced Institute of Science Instytut Informatyki Gospodarczej, Institut Mihajlo Pupin, and Technology, Poland Serbia South Korea EU-FP7 LOD2 Project Overview . 31.08.2012 . Page 49 http://lod2.eu
  • 50. Creating Knowledge out of Interlinked Data Contact Address Coordinator University of Leipzig Dr Sören Auer Faculty of Mathematics and Computer Science Scientific Project Leader Department of Computer Science Phone: +49 (341) 97-32367 Institute of Business Information Systems Fax: +49 (341) 97-32329 Postfach 100920 Email: auer@uni-leipzig.de 04009 Leipzig http://www.informatik.uni-leipzig.de/~auer Germany Nadine Jänicke Project Manager Phone: +49 (341) 97-32332 Fax: +49 (341) 97-32329 Email: jaenicke@uni-leipzig.de http://bis.informatik.uni-leipzig.de/NadineJaenicke Thanks for your attention! http://lod2.eu LOD2 Title . 02.09.2010 . Page 50 http://lod2.eu