• Save
LOD2 Webinar Series: CubeViz
Upcoming SlideShare
Loading in...5
×
 

LOD2 Webinar Series: CubeViz

on

  • 881 views

(http://lod2.eu/BlogPost/webinar-series) In this Webinar Michael Martin presents CubeViz - a facetted browser for statistical data utilizing the RDF Data Cube vocabulary which is the state-of-the-art ...

(http://lod2.eu/BlogPost/webinar-series) In this Webinar Michael Martin presents CubeViz - a facetted browser for statistical data utilizing the RDF Data Cube vocabulary which is the state-of-the-art in representing statistical data in RDF. This vocabulary is compatible with SDMX and increasingly being adopted. Based on the vocabulary and the encoded Data Cube, CubeViz is generating a facetted browsing widget that can be used to filter interactively observations to be visualized in charts. Based on the selected structure, CubeViz offer beneficiary chart types and options which can be selected by users.

If you are interested in Linked (Open) Data principles and mechanisms, LOD tools & services and concrete use cases that can be realised using LOD then join us in the free LOD2 webinar series!

Statistics

Views

Total Views
881
Views on SlideShare
878
Embed Views
3

Actions

Likes
0
Downloads
0
Comments
0

1 Embed 3

http://stataccess.blogspot.se 3

Accessibility

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

CC Attribution License

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

LOD2 Webinar Series: CubeViz LOD2 Webinar Series: CubeViz Presentation Transcript

  • LOD2 Webinar . 28.05.2013 . Page 1 http://lod2.euCreating Knowledge out of InterlinkedData
  • LOD2 Webinar . 29.11.2011 . Page 2 http://lod2.euCreating Knowledge out of InterlinkedDatahttp://lod2.euLOD2 is a large-scale integrating project co-funded by the EuropeanCommission within the FP7 Information and Communication TechnologiesWork Programme. This 4-year project comprises leading Linked OpenData technology researchers, companies, and service providers. Comingfrom across 12 countries the partners are coordinated by the AgileKnowledge Engineering and Semantic Web Research Group at theUniversity of Leipzig, Germany.LOD2 will integrate and syndicate Linked Data with existing large-scaleapplications. The project shows the benefits in the scenarios of Media andPublishing, Corporate Data intranets and eGovernment.
  • LOD2 Webinar . 29.11.2011 . Page 3 http://lod2.euCreating Knowledge out of InterlinkedDatahttp://lod2.euOnce per month the LOD2 webinar series offer a free webinarabout tools and services along the Linked Open Data Life Cycle.Stay with us and learn more about acquisition, editing, composing,connected applications – and finally publishing Linked Open Data.
  • LOD2 Webinar . 28.05.2012 . Page 4 http://lod2.euCreating Knowledge out of InterlinkedDataProject Page: http://aksw.org/Projects/CubeVizSource Code: https://github.com/AKSW/cubeviz.ontowikiDemo Page: http://odp.cubeviz.aksw.org/
  • LOD2 Webinar . 28.05.2012 . Page 5 http://lod2.euCreating Knowledge out of InterlinkedData• Member of Agile Knowledge Engineering and Semantic Web research group(AKSW) since 2006• PhD Student at the Uni Leipzig since 2008• Research Interests:– Linked (Open and Government) Data– Semantic Web Application EngineeringAbout meMichael Martin
  • LOD2 Webinar . 28.05.2012 . Page 6 http://lod2.euCreating Knowledge out of InterlinkedData• Founded in 2006• 25+ Researchers• 3 Sub groups• Goals– Contributing to the advancement of science in Semantic Web, Knowledge Engineering,Software Engineering– Cost efficient, high-impact R&D, which proves usefulness at an early stage– Bridge the gap between research results and applications• Committed to Open Source, Open Access, and Open Knowledge movementsAgile Knowledge Engineering and Semantic Web Research Group
  • LOD2 Webinar . 28.05.2012 . Page 7 http://lod2.euCreating Knowledge out of InterlinkedDataEU Funded Projects:– Linked Open Data 2 (LOD2)– GeoKnow– BIG– BioASQ– LinkingLOD– Open Data Portal (ODP)• Past EU funded Projects– LOD Around the Clock (LATC)– Semantic Content Management Systems for Enterprise KnowledgeManagement and News Mining (SCMS)– OntoWiki - Semantic Collaboration for Knowledge Management, E-Learning and E-Tourism– ...Agile Knowledge Engineering and Semantic Web Research GroupFurther descriptions aboutprojects can be found here:http://aksw.org/Projects
  • LOD2 Webinar . 28.05.2012 . Page 8 http://lod2.euCreating Knowledge out of InterlinkedData• Introduction and Motivation• DataCube RDF Representation• CubeViz Architecture and Workflows– Faceted Selection of Observations– Visualization of selections with suitable charts– Meta Data Publication• Demonstration• Current Development & Future Steps• OutroWebinar - CubeViz Structure
  • LOD2 Webinar . 28.05.2012 . Page 9 http://lod2.euCreating Knowledge out of InterlinkedDataIntroduction and Motivation• In 2011 development of the Digital Agenda Scoreboard of the EC• Indicators from different sources• Contain observations from 2001 until 2012• About European countrieshttp://scoreboard.lod2.eu/
  • LOD2 Webinar . 28.05.2012 . Page 10 http://lod2.euCreating Knowledge out of InterlinkedDataIntroduction and Motivation• Open Data Portal of the European Commission contain 5700 dataset dealingwith statistical data (Eurostats) – 97%• Necessity for data discovery imaginable• Linked Data and RDF offering standardized data representation abilities anddata gathering techniques• Vocabularies:– RDF/RDFS/OWL– Dublin Core– RDF DataCube
  • LOD2 Webinar . 28.05.2012 . Page 11 http://lod2.euCreating Knowledge out of InterlinkedDataIntroduction and Motivation• CubeViz is part of the LOD2 Stack• Act in LOD2 Lifecycle for statistical data– Search / Browsing / Exploration• Will be extended to act between– Quality Analysis and– Extraction
  • LOD2 Webinar . 28.05.2012 . Page 12 http://lod2.euCreating Knowledge out of InterlinkedDataDataCube RDF RepresentationCompatible with cube model that underlies ISO standard SDMX (StatisticalData and Metadata eXchange)Made to publishmulti-dimensional dataObservation centered(star schema)Slice and DiceDrill downhttp://www.w3.org/TR/vocab-data-cube/
  • LOD2 Webinar . 28.05.2012 . Page 13 http://lod2.euCreating Knowledge out of InterlinkedDataDataCube RDF RepresentationExampleID Country Year Indicator Value1 DE 2009 % of internet users using online banking 0.52992 DE 2010 % of internet users using online banking 0.53343 DE 2011 % of internet users using online banking 0.5568<http://data.lod2.eu/scoreboard/items/i_iubk/IND_TOTAL/_ind_iu3/Germany/2011/ind>a qb:Observation ;das:country <http://data.lod2.eu/scoreboard/country/Germany> ;das:unit "%_ind_iu3" ;das:value "0.5568" ;das:year <http://data.lod2.eu/scoreboard/year/2011> ;qb:dataSet <http://data.lod2.eu/scoreboard/ds/indicator/i_iubk_IND_TOTAL__ind_iu3> ;rdfs:label "Online banking (% internet users) for Germany in 2011" .
  • LOD2 Webinar . 28.05.2012 . Page 14 http://lod2.euCreating Knowledge out of InterlinkedDataCubeViz Architecture• Based on OntoWiki– http://aksw.org/Projects/OntoWiki.html• Using SPARQL 1.0 to query data– Structure– Observations– Labels• GUI is made withPHP/HTML+JS/TypeScript/Highcharts(http://highcharts.com/)
  • LOD2 Webinar . 28.05.2012 . Page 15 http://lod2.euCreating Knowledge out of InterlinkedDataCubeViz ArchitectureGUI Overview
  • LOD2 Webinar . 28.05.2012 . Page 16 http://lod2.euCreating Knowledge out of InterlinkedDataCubeViz ArchitectureFaceted Selection of Data●Selection of an RDF Graph●Selection of a Dataset●Selection of a Measurement●Selection of an Attribute●Selection of Dimensions and Elements
  • LOD2 Webinar . 28.05.2012 . Page 17 http://lod2.euCreating Knowledge out of InterlinkedDataCubeViz ArchitectureVisualization of selection with suitable charts• Analyzing the respective selection– 1-dimensional: Bar Chart, Line Chart, Pie Chart– 2-dimensional: Bar Chart, Line Chart, Pie Chart, Windrose / Polar• Slice and Dice (Materialized / OTF)• Implemented ChartLibrary: Highcharts– Highly adaptable and extensible (Chart configuration)• Offered UI configurations: Type/SubType, Scale, Invert Axes, SwitchingDimensions, DataLabels
  • LOD2 Webinar . 28.05.2012 . Page 18 http://lod2.euCreating Knowledge out of InterlinkedDataCubeViz ArchitectureMetadata publication• Usage of Metadata during faceted selection• Publication of Graph information• Publication of selected data (legend)
  • LOD2 Webinar . 28.05.2012 . Page 19 http://lod2.euCreating Knowledge out of InterlinkedDataDemonstrationhttp://odp.cubeviz.aksw.org
  • LOD2 Webinar . 28.05.2012 . Page 20 http://lod2.euCreating Knowledge out of InterlinkedDataCurrent development and future steps• Current version of CubeViz is V.07– Faceted search– Visualization of suitable charts with Highcharts– Extended coloring algorithm (http://cold.aksw.org/)– Adaptable and extensible chart configuration– Slice and dice– Metadata output• Currently working on v.08 and v.09 is scheduled
  • LOD2 Webinar . 28.05.2012 . Page 21 http://lod2.euCreating Knowledge out of InterlinkedDataCurrent development and future steps• Analyzing RDF Data Cubes to support Data Cube Maintainer• Implemented Dashboard to check 21 W3C integrity constraints
  • LOD2 Webinar . 28.05.2012 . Page 22 http://lod2.euCreating Knowledge out of InterlinkedDataCurrent development and future steps• Upcoming features:– CubeViz will become a filter machine – Exporting Selected resources inCSV / XML / TTL / N3 / RDF-XML, SQL– Applying basic rules and formulas to dimensions to improve comparability– Additional Chart library integration to offer further chart types such as treemaps– Offer further chart types to visualize more than 2 dimensions– Selection of remote RDF graphs– Mashups (Data / Visualization) of decentralized RDF Data Cubes
  • LOD2 Webinar . 28.05.2012 . Page 23 http://lod2.euCreating Knowledge out of InterlinkedDataQ & AThank you for your attention!
  • LOD2 Webinar . 28.05.2012 . Page 24 http://lod2.euCreating Knowledge out of InterlinkedData• Project Page– http://aksw.org/Projects/CubeViz• Source Code– https://github.com/AKSW/cubeviz.ontowiki• AKSW Research Group– http://aksw.org• Presenter– http://bis.informatik.uni-leipzig.de/MichaelMartin• Contact– martin@informatik.uni-leipzig.deContact
  • LOD2 Webinar . 28.05.2013 . Page 25 http://lod2.euCreating Knowledge out of InterlinkedDataCreditsJingle R.E.M., Martin KaltenböckCoordination Thomas Thurner, Martin KaltenböckModeration Martin KaltenböckPresented by Michael Martin
  • LOD2 Webinar . 29.11.2011 . Page 26 http://lod2.euCreating Knowledge out of InterlinkedDatahttp://lod2.euHope you enjoyed staying with us – if you need more detailedinformation, visit us at www.lod2.eu and let us know how we canimprove to meet your expectations!Don’t forget to register for our next webinarHave a great day and don’t forget ...
  • LOD2 Webinar . 29.11.2011 . Page 27 http://lod2.euCreating Knowledge out of InterlinkedDatahttp://lod2.eu