This document provides an overview of a tutorial on semantic wikis and applications. It introduces the instructors Jesse Wang and Mark Greaves from Vulcan Inc., and Justin Zhang and Ning Hu from TeamMersion LLC. The tutorial covers topics like Semantic MediaWiki (SMW), SMW+, hands-on sessions, and connecting SMW to other systems. It aims to address challenges in building large knowledge bases by acquiring knowledge at scale and lower costs.
Improving Organizational Efficiency with Wiki-based IntranetsThomas Siegers
Wikis are excellent tools to improve efficiency within organizations. They are easy to use as tools for collaboration, communication and documentation.
DrupalCamp ATL 2010: Not all CMSs are created equalandrewmriley
How many times have you had a client say to you "But my kid brother says we should really use CMS X", "Our IT guy says Drupal isn't 'Enterprise'" or "We're moving from CMS Y and we hate it, why should we go with CMS X?"
This talk will be a comparison of various CMS platforms across PHP, ASP.NET and JAVA (closed source, open source, free and pay) to better enable you to make informed decisions for yourself and your customers. This session won't be overly technical but it will be focused for users who understand basic CMS concepts. I highly recommend it for anybody who will be involved in the CMS decision making or sales process for a CMS based project.
I have a small confession to make, Drupal was the first CMS I used and interestingly enough it gave me a very warped view of the landscape. When the time came for me to use other CMSs, I was shocked at the features (or lack of) that some offered. Fast forward to a few years later, I had a client come to me and ask which CMS I would use for their large project. After about 10 seconds deliberation I said Drupal, it's been my go-to for over three years now -- of course Drupal would work for what they wanted. Well, it turned out that Drupal couldn't offer exactly what the client actually needed so it was time to put on the research cap and really take a look at what's out there. To make a long story short I fell for the classic "When all you have is a hammer..." when it turns out for some parts of the project there were better tools (and for some parts, Drupal was the still right CMS).
Join me as I walk you through the decision making proces that we followed, the CMSs we reviewed, their strengths, weakness and overall questions that you just know the client is going to ask.
Disclamer: This won't be a Drupal, Drupal, rah-rah-rah (biased) talk.
I'll cover:
Why choose one CMS over another?
Strengths and weaknesses of the CMSs.
Comparison projects between two CMSs to show the time/cost difference.
Saas CMS vs hosting your own.
The dreaded "Enterprise" word
How does Drupal 6/7 stack up?
What I won't cover:
Language vs Language
Hosting architectures (aside from SaaS)
Improving Organizational Efficiency with Wiki-based IntranetsThomas Siegers
Wikis are excellent tools to improve efficiency within organizations. They are easy to use as tools for collaboration, communication and documentation.
DrupalCamp ATL 2010: Not all CMSs are created equalandrewmriley
How many times have you had a client say to you "But my kid brother says we should really use CMS X", "Our IT guy says Drupal isn't 'Enterprise'" or "We're moving from CMS Y and we hate it, why should we go with CMS X?"
This talk will be a comparison of various CMS platforms across PHP, ASP.NET and JAVA (closed source, open source, free and pay) to better enable you to make informed decisions for yourself and your customers. This session won't be overly technical but it will be focused for users who understand basic CMS concepts. I highly recommend it for anybody who will be involved in the CMS decision making or sales process for a CMS based project.
I have a small confession to make, Drupal was the first CMS I used and interestingly enough it gave me a very warped view of the landscape. When the time came for me to use other CMSs, I was shocked at the features (or lack of) that some offered. Fast forward to a few years later, I had a client come to me and ask which CMS I would use for their large project. After about 10 seconds deliberation I said Drupal, it's been my go-to for over three years now -- of course Drupal would work for what they wanted. Well, it turned out that Drupal couldn't offer exactly what the client actually needed so it was time to put on the research cap and really take a look at what's out there. To make a long story short I fell for the classic "When all you have is a hammer..." when it turns out for some parts of the project there were better tools (and for some parts, Drupal was the still right CMS).
Join me as I walk you through the decision making proces that we followed, the CMSs we reviewed, their strengths, weakness and overall questions that you just know the client is going to ask.
Disclamer: This won't be a Drupal, Drupal, rah-rah-rah (biased) talk.
I'll cover:
Why choose one CMS over another?
Strengths and weaknesses of the CMSs.
Comparison projects between two CMSs to show the time/cost difference.
Saas CMS vs hosting your own.
The dreaded "Enterprise" word
How does Drupal 6/7 stack up?
What I won't cover:
Language vs Language
Hosting architectures (aside from SaaS)
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JCDL 2012 Doctoral Consortium presentation by Justin F. Brunelle. Covers the problem Web 2.0 creates for preservation, and proposes a solution for client-side capture of content.
Semantic Wiki: Social Semantic Web in UseJesse Wang
This is my invited talk on Semantic Wiki to the Key Lab of Intelligent Information Processing at Fudan University in Shanghai during ASWC 2009 when I gave a similar tutorial on semantic mediawiki and applications.
A Survey of the Landscape and State-of-Art in Semantic WikiMax Völkel
Semantic Wikis: The Wiki Way to the Semantic Web?
Semantic Wiki Mini-Series1st session: A Survey of the Landscape and State-of-Art in Semantic Wiki
Co-chairs:
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The “right to fork”, a consequence of the “hack on copyright” that is copyleft licensing, helps keep open source and open content project leaders honest. Forking is a political act as much as a version control command, and it used to be that both were a big deal. But now that distributed version control systems (DVCS) have made forking trivial, are there implications for the political act as well? How does political forking work within collaborative prose text projects (i.e. wikis)? English Wikipedia is so large as to be practically unforkable - it essentially has an unassailable monopoly, and unchecked power, in the English language encyclopedia market. One of the core Wikipedia rules is “one topic, one article”, which would seem to prohibit forking, but could we adhere to this principle and still take advantage of DVCS? Can a community be forked while keeping the shared project goals intact?
Audience members will benefit from a grasp of version control, distributed version control and the workings of wikis and Wikipedia.
Presented at the 'Freedom in the Cloud' miniconf, Monday January 24 2011 at linux.conf.au.
Semantic Tagging for the XWiki Platform with Zemanta and DBpediaElena-Oana Tabaranu
Tags are a very effcient method of describing information
with metadata. Adding semantic information to the keywords allows
computers to comprehend what the pages are saying and use that knowledge to oer better service to humans when interacting with them. The
tagging extension for the XWiki Platform links the user-defined keywords
with semantic information from the DBpedia knowledge base.
Presentation about Semantic MediaWiki and Semantic Forms given by Sergey Chernyshev and Yaron Koren at "Semantic Wikis" (March 2008 NY SemWeb Meetup) on March 13, 2008
One of the most popular sites within the public domain is Wikipedia (http://en.wikipedia.org), an encyclopedia written collaboratively by volunteers from all around the world and anyone with internet access can make changes to Wikipedia articles. Since its creation in 2001, Wikipedia attracts 684 million visitors yearly. There are more than 75,000 active contributors working on more than 10,000,000 articles in more than 260 languages. That is a collaboration project to envy.
Reflections On Personal Experiences In Using Wikislisbk
This talk was given by Brian Kelly, UKOLN at UKOLN's "Exploiting the Potential Of Wikis" workshop held on 3 November 2006.
See http://www.ukoln.ac.uk/web-focus/events/workshops/wiki-workshop-2006/
Wiki in web 2.0 scenerio concept emerged as a response to the technologies and setting the libraries into more user-centered, networking faculty, students, and librarians to create a vital and evolving organization designed to meet the need of the of the user in digital library era.
Filling in the Blanks: Capturing Dynamically Generated ContentJustin Brunelle
JCDL 2012 Doctoral Consortium presentation by Justin F. Brunelle. Covers the problem Web 2.0 creates for preservation, and proposes a solution for client-side capture of content.
Semantic Wiki: Social Semantic Web in UseJesse Wang
This is my invited talk on Semantic Wiki to the Key Lab of Intelligent Information Processing at Fudan University in Shanghai during ASWC 2009 when I gave a similar tutorial on semantic mediawiki and applications.
A Survey of the Landscape and State-of-Art in Semantic WikiMax Völkel
Semantic Wikis: The Wiki Way to the Semantic Web?
Semantic Wiki Mini-Series1st session: A Survey of the Landscape and State-of-Art in Semantic Wiki
Co-chairs:
Sebastian Schaffert (Salzburg Research, Austria),Max Völkel (FZI-Karlsruhe)
The “right to fork”, a consequence of the “hack on copyright” that is copyleft licensing, helps keep open source and open content project leaders honest. Forking is a political act as much as a version control command, and it used to be that both were a big deal. But now that distributed version control systems (DVCS) have made forking trivial, are there implications for the political act as well? How does political forking work within collaborative prose text projects (i.e. wikis)? English Wikipedia is so large as to be practically unforkable - it essentially has an unassailable monopoly, and unchecked power, in the English language encyclopedia market. One of the core Wikipedia rules is “one topic, one article”, which would seem to prohibit forking, but could we adhere to this principle and still take advantage of DVCS? Can a community be forked while keeping the shared project goals intact?
Audience members will benefit from a grasp of version control, distributed version control and the workings of wikis and Wikipedia.
Presented at the 'Freedom in the Cloud' miniconf, Monday January 24 2011 at linux.conf.au.
Semantic Tagging for the XWiki Platform with Zemanta and DBpediaElena-Oana Tabaranu
Tags are a very effcient method of describing information
with metadata. Adding semantic information to the keywords allows
computers to comprehend what the pages are saying and use that knowledge to oer better service to humans when interacting with them. The
tagging extension for the XWiki Platform links the user-defined keywords
with semantic information from the DBpedia knowledge base.
Presentation about Semantic MediaWiki and Semantic Forms given by Sergey Chernyshev and Yaron Koren at "Semantic Wikis" (March 2008 NY SemWeb Meetup) on March 13, 2008
One of the most popular sites within the public domain is Wikipedia (http://en.wikipedia.org), an encyclopedia written collaboratively by volunteers from all around the world and anyone with internet access can make changes to Wikipedia articles. Since its creation in 2001, Wikipedia attracts 684 million visitors yearly. There are more than 75,000 active contributors working on more than 10,000,000 articles in more than 260 languages. That is a collaboration project to envy.
Reflections On Personal Experiences In Using Wikislisbk
This talk was given by Brian Kelly, UKOLN at UKOLN's "Exploiting the Potential Of Wikis" workshop held on 3 November 2006.
See http://www.ukoln.ac.uk/web-focus/events/workshops/wiki-workshop-2006/
Wiki in web 2.0 scenerio concept emerged as a response to the technologies and setting the libraries into more user-centered, networking faculty, students, and librarians to create a vital and evolving organization designed to meet the need of the of the user in digital library era.
XWiki: A web development runtime platform, OW2online, June 2020OW2
When developing a web application, the traditional way is to develop the application from scratch using a general purpose language such as Javascript, Python, Java, Ruby, PHP, etc.
This presentation shows that a next generation wiki (examples based on XWiki: http://xwiki.org) can be used as a web development platform to develop applications on top of it, providing a strong infrastructure scaffolding to building web applications.
The advantages are similar to those of using an application sever. However whereas an application server offers technical services only, a wiki platform offers higher level services such as content management, rendering, storage, WYSIWYGeditor, user management, and a lot more.
Not only are these services offered, you can develop using them in your traditional IDE or in the runtime, directly in wiki pages. This allows developing web applications extremely quickly, collaboratively and with a fast turnaround time, which is perfect for adhoc web application development. Presentation by Vincent Massol, XWiki CTO.
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1. Semantic Wikis
and Applications
Jesse Wang, Mark Greaves Ning Hu, Justin Zhang
Vulcan Inc. TeamMersion LLC
{jessew, markg}@vulcan.com {ning, justinzh}@teammersion.com
December 4, 2011
7. Project Halo’s Knowledge Acquisition Goals
Address the problems in
building Knowledge Bases
– scale
– cost
Have high impact
KB Effort (cost, people,…)
Now
Vulcan
Future
KB size (number of assertions, complexity…)
7
8. Tutorial Structure
Part I
Wiki and Semantics (Jesse)
Semantic MediaWiki (Jesse)
SMW+ (Mark)
Hands-On Session 1 (All)
Part II
Semantic Wikis in Practice (Mark)
Wiki Object Model and Widgets (Jesse, Ning)
Hands-On Session 2 (All)
Connecting to SMW+ (Jesse, Justin)
Wrap Up and Q&A (All)
8
11. edit
wow. I can change the web.
let’s share and publish knowledge,
to make an [[encyclopedia]]!
12.
13. Some Wiki Platforms
Wikia
– Wiki communities for everyone
PBWiki/PBWorks
– Online Collaboration that just Works
TWiki
– the Open Source Enterprise Wiki and Web 2.0 Application
Platform
MoinMoin
– advanced, easy to use and extensible WikiEngine
13
14. So What is a Wiki
By Wikipedia:
– A wiki (pronounced /ˈw WIK-ee) is a website that allows the
ɪki/
easy[1] creation and editing of any number of interlinked web
pages via a web browser using a simplified markup language or
a WYSIWYG text editor.[2][3] Wikis are typically powered by wiki
software and are often used to createcollaborative websites, to
power community websites, for personal note taking, in
corporate intranets, and in knowledge management systems.
14
15. What Wiki Really Is about
Quick – from idea to result
– no need of extra software
Easy
– Mass participation
Collaborative Community Authoring
– Notification (Watch)
Version Control
15
16. A Key Feature of Wiki
This distinguishes wikis from other publication tools
17. Consensus in Wikis Comes from
Collaboration
– ~17 edits/page on average in
Wikipedia (with high variance)
– Wikipedia’s Neutral Point of View
Convention
– Users follow customs and
conventions to engage with
articles effectively
18. Software Support Makes Wikis Successful
Trivial to edit by anyone
Tracking of all changes, one-
step rollback
Every article has a “Talk” page
for discussion
Notification facility allows
anyone to “watch” an article
Sufficient security on
pages, logins can be required
A hierarchy of
administrators, gardeners, and
editors
Software Bots recognize certain
kinds of vandalism and auto-
revert, or recognize articles that
need work, and flag them for
editors
21. Wikis are great
Enable new scale of human collaboration
Everyone can read
Everyone can write
Everyone gets aggregated
Everyone is accountable for everything
But some things are better left to machines…
24. Deep Info
Wikipedia has articles about…
• … all cities with info on their
populations, locations and
skyscrapers, etc.
… all German cars with engine
size, accelerating data…
Can you find:
Skyscrapers with 50+ floors
and built between 2000 and
2008 in Shanghai (or Chinese
cities with 1,000,000+
people)?
Or German(Porsche) cars that
accelerate from 0-100km/h in
5 seconds?
24
25. How Wikipedia Answers – List!
http://en.wikipedia.org/wiki/List_of_fastest_
cars_by_acceleration
33. Problems with Static Lists, Tables
Duplicated data
Inconsistent data
Data may not be up-to-date
Hard to maintain
Considerable efforts to make new list/table
34. Semantics Come To Rescue
To find answers like:
• All Porsche vehicles made in Germany
that accelerate from 1-100 km/h less
than 4 seconds
• Sci-Fi movies made after year 2000
that cost less than $10M and gross
more than $30M
• A map showing where all Mercedes-
Benz vehicles are manufactured
• All skyscrapers in China
(Japan, Thailand,…) of 50 (40/60/70)
floors or more, and built in year 2000
(2001/2002) and after, sorted by built
year, floors…, grouped by
cities, regions…
• And many more
35. What is a Semantic Wiki
A wiki that has an underlying model of the
knowledge described in its pages.
To allow users to make their knowledge explicit and formal
Semantic Web Compatible
Semantic Wiki
37. Why Semantic Wiki?
Annotation of existing structures with machine
readable metadata
links carry meaning, typing of links, typing of pages
Context dependent adaptation and presentation
different domains have different ways of presenting
content, personal preferences, etc.
Improved, “intelligent”, search and navigation
queries to the structure, visualisation of structure, derived
information
Improved interoperability between systems
exchange of content, integration of different
systems, agents, etc.
38. What is the Promise of Semantic Wikis?
Semantic Wikis promise
Consensus over Data
and Structure
Combine low-expressivity
data authorship with the
best features of traditional
wikis
User-governed, user-
maintained, user-defined
Easy to use as an
extension of text authoring
39. Challenges on Data Consensus
Data modeling is (seemingly) a specialized skill
Finding disagreements in data is difficult
Consistently revising data schemas is difficult
Consistency of schema information
(“Population”, “Pop”, “Number_of_inhabitants”, etc...)
Consistency of types, units of measure, application of
rules…
Semantics/interpretation of properties need explanation for
humans
…
40. One Key Helpful Feature of Semantic Wikis
Semantic Wikis are “Schema-Last”
Databases require DBAs and schema design;
Semantic Wikis develop and maintain the schema in the wiki
41. Basics of Semantic Wikis
Still a wiki, with regular wiki features
– Category/Tags, Namespaces, Title, Versioning, ...
Typed Content (built-ins + user created, e.g. categories)
– Page/Card, Date, Number, URL/Email, String, …
Typed Links (e.g. properties)
– “capital_of”, “contains”, “born_in”…
Querying Interface Support
– E.g. “[[Category:Member]] [[Age::<30]]” (in SMW)
42. List of Semantic Wikis
AceWiki Semantic MediaWiki - an
ArtificialMemory extension to MediaWiki that
Wagn - Ruby on Rails-based turns it into a semantic wiki
KiWi – Knowledge in a Wiki Swirrl - a spreadsheet-based
semantic wiki application
Knoodl – Semantic
Collaboration tool and TaOPis - has a semantic wiki
application platform subsystem based on Frame
logic
Metaweb - the software that
powers Freebase TikiWiki CMS/Groupware
integrates Semantic links as a
OntoWiki core feature
OpenRecord zAgile Wikidsmart - semantically
PhpWiki enables Confluence
43. Tutorial Structure
Part I
Wiki and Semantics (Jesse)
Semantic MediaWiki (Jesse)
SMW+ (Mark)
Hands-On Session 1 (All)
Part II
Semantic Wikis in Practice (Mark)
Wiki Object Model and Widgets (Jesse, Ning)
Hands-On Session 2 (All)
Connecting to SMW+ (Jesse, Justin)
Wrap Up and Q&A (All)
45. Short History of Semantic MediaWiki
Born at AIFB
– Typed links and types and more
– Export articles as RDF
– Maximally flexible for the wiki user
SMW 0.1 released by AIFB in Sept 2005
– Parser/storage support for typed links – [[type::link | label]]
– FactBox for semantic relations at end of article
– Special:SearchSemantic, with basic auto-completion for link types
– Simple query language (“ask”)
Vulcan kicks off Halo Extensions to SMW project in August 2007
SMW 1.0 released by AIFB in Dec 2007, Ontoprise releases Halo
Extension 1.0 in parallel
– “Property” instead of “Relation” and “Attribute”
– Many new datatypes/special pages/UI features
46. Semantic MediaWiki (SMW) Markup Syntax
Zhejiang University is located in
[[Has location::Hangzhou]], with
[[Has population::39000|about 39 thousands]]
students.
In page "Property:Has location”: In page "Property:Has population”:
[[Has type::Page]] [[Has type::number]]
47. Special Properties
“Has Type” is a pre-defined “special” property for meta-
data
– Example: [[Has type::String]]
“Allowed Values” is another special property
– [[Allows value::Low]],
– [[Allows value::Medium]],
– [[Allows value::High]]
In Halo Extensions, there are domain and range support
– RDFs expressivity
– Semantic Gardening extension also supports “Cardinality”
48. Define Classes
Beijing is a city in [[Has
country::China]], with population
[[Has population::2,200,000]].
[[Category::Cities]]
Categories are used to define classes because they are better for class inheritance.
The Jin Mao Tower (金茂大厦) is an 88-story landmark supertall
skyscraper in …
[[Categories: 1998 architecture | Skyscrapers in
Shanghai | Hotels in Shanghai | Skyscrapers over 350 meters | Visitor
attractions in Shanghai | Landmarks in Shanghai | Skidmore, Owings and
Merrill buildings]]
Category:Skyscrapers in China Category: Skyscrapers by country
49. Database-style Query over Wiki Data
Example: Skyscrapers in China
higher than 50 stories, built between
2000 and 2008
ASK/SPARQL query target
{{#ask:
[[Category:Skyscrapers]]
[[Located in::China]]
[[Floor count::>50]]
[[Year built::<2000]]
[[Year built::>2008]]
…
}}
50. Semantic MediaWiki Software
Open source (GPL)
– Well documented
Active development
– Commercial support available
World-wide community
– International Conferences
• Next SMWCon 4/25-27, 2012 in Carlsbad, CA
Very stable core, various extensions
51. SMW Extensions – Help Build Great Things
Data I/O
• Halo Extensions, Semantic Forms, Semantic Notification, …
Query and Browsing
• Semantic Toolbar, Semantic Drilldown, Enhanced Retrieval, Search…
Visualization
• Semantic Result Printers, Tree View, Exhibit, Flash charts…
Other useful extensions
• HaloACL, Deployment, Triplestore Connector, Simple Rules…
• Semantic WikiTags and Subversion Integration extensions
• Linked Data Extension, with R2R and SILK from F.U.Berlin
54. Tutorial Structure
Part I
Wiki and Semantics (Jesse)
Semantic MediaWiki (Jesse)
SMW+ (Mark)
Hands-On Session 1 (All)
Part II
Semantic Wikis in Practice (Mark)
Wiki Object Model and Widgets (Jesse, Ning)
Hands-On Session 2 (All)
Connecting to SMW+ (Jesse, Justin)
Wrap Up and Q&A (All)
56
55. Semantic MediaWiki (SMW) and SMW+
Semantic MediaWiki
– The project where the original semantic wiki ideas were developed
– A compact extension of MediaWiki that supports storage, retrieval, and use of basic data
markup in wiki pages
– Core code developed at Karlsrühe Institute of Technology beginning in 2004
Open source (GPL), well documented, active mailing list, world-
wide community, commercial support available
Very stable core, plus ~50 extensions that add features
– Data I/O: Semantic Forms, Semantic Notification, Linked Data…
– Query and Browsing: Halo Extensions, Semantic Drilldown, Semantic Search…
– Visualization: Semantic Result Printers, TreeView, Flash charts…
– Other useful extensions: HaloACL, Deployment, RichMedia…
SMW+ is a commercial-grade semantic wiki based on SMW
– A GPL (open-source) package of interoperable enterprise-oriented SMW
extensions, with installer and business-critical features
– ~2K downloads/month; ~5K unique visitors/month to SMW+ Forum
– Users’ group meetings in North America and Europe (next meeting April in San Diego)
– A growing developer community at http://www.smwplus.com
– Available commercial support
57
57. From MediaWiki to SMW+
Semantic
MediaWiki MediaWiki Halo Extension SMW+
Powerful Wiki Core Semantic Usability extension Shrink wrap suite of
engine Wiki engine to Semantic open source software
Basic CMS Authoring of MediaWiki products
feature set explicit Increases user Comes with ready to
knowledge in consensus use ontology
content
Increases use of Easy to procure and
Basic reasoning semantic data install
capabilities
Standard support
contract available
58. SMW+ In One (Marketing) Slide
SMW+ is a Semantic Enterprise Wiki
for agile collaboration on rich text and data
It is a Wiki: Platform for web-based collaboration and quick
authoring of text and data content.
It is a database: Users write data and text together on wiki pages,
and visualize the data with simple queries
It is an integration tool: Users access data from external databases, web
services or the Semantic Web within the Wiki.
It is enterprise-ready: Installs in 15 minutes and comes with business-
critical features. Extendible and scalable.
http://www.smwplus.com
59. Selected SMW+ Extensions for this Tutorial (1 of 4)
Faceted Search and Browsing
High speed exploration of data and text
together
Drill-down search results by
categories, properties, and their
values
Find relevant articles, facts, and
semantic content
Identify suitable properties for
queries
Help: http://smwforum.ontoprise.com/smwforum/index.php/Help:Faceted_browsing_1.5.3
60. Selected SMW+ Extensions for this Tutorial (2 of 4)
Data Browser / Semantic Toolbar / WYSIWYG Editor
Flexibly create and curate data in the wiki
Use the Data Browser as a single place to
view, create, and edit
categories, properties, subproperties, and
instances
Use the Semantic Toolbar while editing
pages to add and browse data values
WYSIWYG editor allows users to rapidly
create compelling pages without having to
master specialized wiki markup
Help:
http://smwforum.ontoprise.com/mwforum/index.php/Help:Description_of_the_Ontology_browser,
http://smwforum.ontoprise.com/smwforum/index.php/Help:Description_of_the_Semantic_toolbar
61. Selected SMW+ Extensions for this Tutorial (3 of 4)
Query Interface
Easy query construction with the
Query Interface GUI
Creation, testing, loading, editing
and re-using of existing queries
Choice of query result formatters
(visualizers)
Handles multiple query results
and result formats
Search over queries
Help: http://smwforum.ontoprise.com/smwforum/index.php/Query_Interface
62. Selected SMW+ Extensions for this Tutorial (4 of 4)
Semantic Forms and Automatic Semantic Forms
Create data in the wiki with easy form-based UIs
Define form layouts, data
validation, and
Automatically create forms
right on wiki pages, based
on the data structure currently
in the wiki
An easy, familiar way for users
to add data to the wiki
Help: http://smwforum.ontoprise.com/smwforum/index.php/Semantic_Forms
http://smwforum.ontoprise.com/smwforum/index.php/Help:Automatic_Semantic_Forms_extension
63. SMW+ Extensions: Microsoft Office Connector
How do we further embed semantic
wikis into corporate practice?
– Many users will not use wikis
– How do we maximally share data and
collaborate?
Leverage the MS Office user base
Microsoft Office Connector
– Bring semantic information into Office
applications on-demand
– Consume and contribute from the Office
suite
– Use semantic information to enable
appropriate actions
– Office 2007 and Office 2010
Microsoft Outlook Connector
– Bring data into SMW just by emailing it
– Automatic metadata extraction
65
64. SMW+ Full Extension Suite
Starts small – grows with use
Add special purpose extensions and manage your wiki installation with
the Wiki Administration Tool
65. SMW+ Open Source Extension Library (1 of 3)
Usability
– Collaboration – The Collaboration Extension enables commenting and rating of
wiki articles.
– WYSIWYG – The WYSIWYG Extension to MediaWiki replaces the standard
MediaWiki editor with the more user-friendly CKeditor.
– Rich Media – The Rich Media extension allows the easy upload and embedding
of media files such as documents, images, videos and audio files into the wiki.
Media files can be attached to related articles and tagged with an enhanced
meta-data set.
– Semantic Forms – Semantic Forms is an extension to MediaWiki that lets users
add and edit data using forms. It is meant to be used for structured data that has
semantic markup.
– Automatic Semantic Forms –Automatic Semantic Forms extension
automatically creates Semantic Forms based on the current Wiki ontology.
– Semantic Notifications – Keeps you informed about changes in your semantic
data and sends you notifications via email.
– User Manual – Provides direct access to help and context-sensitive selection of
help pages. Users can submit direct feedback (such as bug issues) and ask
questions in the online community.
67
66. SMW+ Open Source Extension Library (2 of 3)
Data Processing
– Rule Knowledge – Offers a graphical rule editor for creating logical rules. Rules
allow you to state complex interrelations.
Data Re-Use
– Data Import – Integrates external data into the wiki via Web Services (SOAP or
RESTful) or data import of e.g. CSV files or emails.
– Linked Data – Integrates access to data in the Web of Data in SMW+. Data can
be imported into the wiki's triple store and exported via RDF and a SPARQL
endpoint.
Security
– Access Control List – Powerful access control for protecting single wiki
pages, articles in categories or namespaces and values of semantic properties.
Access can be restricted via a Graphical User Interface (GUI) for individual
users and user groups.
Data Backend (Jena for open-source; Ontobroker for cost)
– Triple Store Connector – Adds a full standards-compliant semantic
datastore, with powerful SPARQL queries and data integration support
68
67. SMW+ Open Source Extension Library (3 of 3)
Data Consistency
– Semantic Gardening – The Gardening extension lets you detect and
clean inconsistencies via automatic bots. It further provides an export
functionality for OWL ontologies.
Retrieval
– Enhanced Retrieval – Provides a powerful search engine with auto-
completion, spell-checking ("did you mean" feature) and advanced
search functionalities such as fuzzy and path search. The search covers
full text contents (also from uploaded PDF and Word documents) as well
as elements from the ontology
– Semantic Treeview – Automatically displays a hierarchical view of the
selected wiki elements such as categories, articles or semantically
annotated data.
– Semantic Result Formats – This extension to MediaWiki bundles a
number of result formats for inline queries. The individual formats can be
added to the installation independently.
Download from http://www.smwplus.com
69
68. Tutorial Structure
Part I
Wiki and Semantics (Jesse)
Semantic MediaWiki (Jesse)
SMW+ (Mark)
Hands-On Session 1 (All)
Part II
Semantic Wikis in Practice (Mark)
Wiki Object Model and Widgets (Jesse, Ning)
Hands-On Session 2 (All)
Connecting to SMW+ (Jesse, Justin)
Wrap Up and Q&A (All)
70
69. Hands-on tasks
Create account
Create a plain new article – plain wiki text editing
Add semantic annotations
– Plain wiki text
– Data toolbar
Using WYSIWYG editor
– Rich text insertion
– Using Query Interface to get results
Using Automatic Semantic Forms
Semantic query results of our achievements
– Ontology Browser, Visualizations
71
70. Ontologies – Constituents
Ontology entities and their counterpart in the wiki
– Category: Wiki page in namespace „Category“ Event
– Instance: Any wiki page in the main namespace Semantic Wiki Tutorial
– Property: Wiki page in namespace „Property“ attendee
71. Ontologies – Constituents
Basic ontology statements in the wiki
– Is-a: Sub-category relation. Category page tagged with a category.
is-a
• [[Category:Event]] Workshop Event
– Instance-of: Category assertion. Wiki page tagged with a category.
• [[Category:Person]] Daniel
instance-of
Person
– Relating instances: Property on a page pointing to another page.
• [[Attendee::Daniel]] Semantic Wiki Tutorial
attendee
Daniel
– Attributes for instances: Property on a page with a data value.
• [[Budget::300000]] Project X
budget
300.000
72. Ontologies – Properties
Properties can have properties (or characteristics)
– all characteristics are specified as annotations on the property page
Type – defines the “data type” of the property (see next slide)
Domain - articles of this category can have values for this property.
Range - articles of this category can be objects of this property. Only
relevant, if the property is of type is Page.
Allowed values – Defines a set of values which are allowed for this
property.
Minimal cardinality - The minimum number of values of the property.
Maximum cardinality - The maximum number of values of the
property.
This is good for autocompletion, proposing values, and checking validity.
73. Ontologies – Properties
Properties have types:
Type:Page - links to pages (the default)
Type:String - text strings that are not longer than 250 letters
Type:Number - integer and decimal numbers with optional exponent
Type:Boolean - restricts the value of a property to true/false (also 1/0 or yes/no)
Type:Date - specifies particular points in time
Type:Text - like Type:String but can have unlimited length; the trade-off is values of
this type cannot be selection or sort criteria in queries..
Other:
– Type:Code
– Type:Temperature
– Type:Telephone number
– Type:URL
– Type:Email
Help:Properties_and_types_1.5.6
74. Ontologies – Properties
Properties can have properties (or characteristics)
Subproperty of – This property is a specialization of the given property .
– On page Property:HasSubtitle: [[Subproperty of::Property:HasTitle]]
Inverse of – This property is an inverse of the given property.
• On page Property:HasParent: [[Is inverse of::Property:HasChild]]
Transitivity - Defines that the property is transitive. This field is only enabled, if the
property's type is Page.
– On page Property:IsRelatedTo: [[Category:Transitive properties]]
Symmetry - Defines that the property is symmetric. This field is only enabled, if the
property's type is Page.
– On page Property:HasBorderWith: [[Category:Symmetrical properties]]
This is good for inferring new knowledge.
Help:Specifying_property_properties_1.5.6
75. Tutorial Structure
Part I
Wiki and Semantics (Jesse)
Semantic MediaWiki (Jesse)
SMW+ (Mark)
Hands-On Session 1 (All)
Part II
Semantic Wikis in Practice (Mark)
Wiki Object Model and Widgets (Jesse, Ning)
Hands-On Session 2 (All)
Connecting to SMW+ (Jesse, Justin)
Wrap Up and Q&A (All)
79
77. SMW Installations
Patterns for applying SMW+
– As a flexible and user-friendly front end to large data resources
• Data is mostly provided from databases
• Wiki pages provide context for the data and associated queries
– As a collaborative knowledge management platform
• Semi-structured knowledge: text mixed with database, and user-contributed
• Encyclopedia resources for larger organizations
– Metadata and data together in one human-readable place
On www.smwplus.com
– Repository of sample wiki apps (SCRUM, project management, etc.)
• Framework to deploy an app with its ontologies and pages
– Commercial case studies
– SMW Ambassadors
Let’s look at some selected SMW installations!
81
89. SMW Example: SCRUM Coordination Wiki
Augment wiki
articles with data
Automatically
populate data
tables
Bugzilla
integration
Calendars and
timelines
Basic workflows
SCRUM Reports
Form-oriented
inputs
Notifications via
email/RSS
MS Office
integration
93
90. What Would an Analytic Encyclopedia Look Like?
Back to the original vision: An SMW demo built to explore
“Semantic Wikipedia”
Wikipedia articles merged with the power of SMW
– For Authors: tools to create more compelling articles
• Great visualizations: charts, tables, timelines, photos, analytics
• Always up-to-date across the Encyclopedia
• Encourage data consistency and find data errors
• Link in other web data sources
– For Readers:
• Enhanced articles and data interaction
• Faceted navigation
• Sophisticated queries (both standing and ad-hoc)
Crowdsource data as well as text articles into a queryable, living
Wikipedia
Leverage the live stream of updates from millions of Wikipedia
authors
94
91. Ultrapedia: An Analytic Encyclopedia
Goal: Prototype a small semantic encyclopedia
– Create an semantic version of a part of Wikipedia
– Software is SMW and the Halo Extensions
– Wikipedia-based checking and corrections
– Link back to other parts of Project Halo
Ultrapedia Prototype Details Class Articles Infobox
– Test domain is German cars Articles
– ~2500 Wikipedia pages, ~40000 triples Company 134 53
– Private versions of Wikipedia, SMW, OB,
and DBpedia hosted at wiking.vulcan.com Person 93 57
– Features Automobile 370 345
• Corrections flow from Wikipedia to Ultrapedia
in real time Auto Generation 1480 1380
• Full data source tracking from Wikipedia Engine 135 12
• Wikipedia table ingestion and parsing
Other 283 3
• Feedback (user rating) loop for data
• New visualizations for tables, charts, photos Totals 2495 1850
• External data integrated into articles
• SPARQL-based queries
• Derived assertions (via OntoBroker)
93. Extracting Structured Data from Wikipedia
Title
Domain
Description specific
Data
Images
Languages
Infobox
Properties
Further Down
Web Links
Categorization
95. Ultrapedia Prototype Data Flow
Real-time feed of WP changes
• Note most WP page changes will be text
and have no semantic import
Dynamic extraction of WP English Wikipedia subset
semantic data into RDF
DBpedia update stream WP updates
• WP page text updates • User-created page
• DBpedia data updates updates in Wikipedia
Enhanced Ultrapedia Usability Wikipedia-based Corrections
• Familiar WP page text and layout • UP shows the user where to correct
• Exhibit-based visualizations data in WP so that DBpedia will extract
• Dynamic tables/categories the correction
• Ultrapedia exposes the data source in
• Faceted navigation terms of where the data was extracted
• Queries (both standing and ad-hoc) from WP
• Wikitag-based MS Office augmentation • WP changes and corrections get quickly
propagated to UP
96. Demo: Ultrapedia
Ultrapedia Demo
Domain is German cars Things to take away
– Cars, Companies, Engines, Trans – A better Wikipedia for authors and
missions, People, etc. readers
– ~2500 pages, ~40000 triples – Interact with data as well as text
– Monitor data with standing queries
An SMW-based encyclopedia – External data integration via web
– Similar look and feel to Wikipedia services (EBay)
– Dynamic tables and charts
– Powerful queries Rapid to build
– Navigation beyond search – SMW platform is stable
– Trustworthy data source – Most time was spent on data
– Edit, discuss and rate data cleaning and new visualizations
– Data is validated by the Wikipedia
community
100
97. Tutorial Structure
Part I
Wiki and Semantics (Jesse)
Semantic MediaWiki (Jesse)
SMW+ (Mark)
Hands-On Session 1 (All)
Part II
Semantic Wikis in Practice (Mark)
Wiki Object Model and Widgets (Jesse, Ning)
Hands-On Session 2 (All)
Connecting to SMW+ (Jesse, Justin)
Wrap Up and Q&A (All)
101
99. Wiki Object Model Motivation
Strong needs for access the structured data and
unstructured data in the wiki as a data store
– From internal and external applications’ point of view
A DOM-like approach is good choice
– Xpath is a reasonable tool and standard
Granularity offers flexibility and power
Easier to operate on known objects and calling REST APIs
rather than parsing and handling wiki texts
Common gateway for both internal and external apps
100. Wiki Object Model Objects
Page Category
Section Link
Parameter Property
Parameter value Text
Template Magic word
Template field HTML tag
Parser function Sentence
List item Word*
Table Image
Table cell
* Not yet implemented as of April 2011
104
101. Demo of WOM
Demo at http://wiking.vulcan.com/dev_sandbox/
Demo 1: APIs
The API is part of MediaWiki API, with our additions to allow get and set
(read/write) the content of a wiki page
http://wiking.vulcan.com/dev/index.php/Extension:Wiki_Object_Model/Api
s
Demo 2: Inline Editor
A simple inline editor (AJAX styled) to let user modify a specific portion of
the wiki page
Based on
http://wiking.vulcan.com/dev/index.php/Extension:Wiki_Object_Model/Fun
ctions
105
103. Usage of SMW
Collaboration
Collecting structured data
Sharing information
Management of heterogeneous data
Simple workflow management
User-generated arbitrary queries
Data analysis and information discovery
104. Common Work Items
Schema Design
Extension Choice
Form Design
Template Authoring
Skin Customization
Query Generation
106. Modeling = Yes Coding = No
Most users just like to share or
collect contents
– CMS:
Drupal, WordPress, MW/SMW, …
– SNS:
MySpace, Ning, WetPaint, LinkedIn,
…
Frameworks or applications allow
users to focus on content or data
107. Code is essential building blocks
– Not everyone is good at writing code
Frameworks enables “meta-data” use
– User: developers or admins
– Meta-data drive content
Handle Content via meta-data
– Parameter configuration
Data (Content)
Metadata (Configuration)
Functions (Code)
108. Model Metadata
Existing examples:
– “Allowed values” Auto-completion in SF
– “has default form” Map form to data (category)
We want to enhance the experience
– “has range” auto-completion in Semantic Forms
– “has domain” auto-construct form for the domain
– “has label/description” metadata to use in forms
– “has style” the visual part of customization
110. Tutorial Structure
Part I
Wiki and Semantics (Jesse)
Semantic MediaWiki (Jesse)
SMW+ (Mark)
Hands-On Session 1 (All)
Part II
Semantic Wikis in Practice (Mark)
Wiki Object Model and Widgets (Jesse, Ning)
Hands-On Session 2 (All)
Connecting to SMW+ (Jesse, Justin)
Wrap Up and Q&A (All)
115
112. Recap
Access Wiki Content as Fine Objects
Designing via metadata modeling
Metadata configured by UI
Metadata, data and UI are linked
– Action Connector
A social semantic web application in a day
114. Requirements for Wiki “Developers”
One need not
– Write code like a hardcore programmer
– Design, setup RDBMS or make frequent
schema changes
– Possess knowledge of a senior system
admin
Instead one need
– Configure the wiki with desired extensions
– Design and evolve the data model
(schema)
– Design Content
• Customize templates, forms, styles, skin, etc.
119
115. Effectiveness of SMW as a Platform Choice
Packaged Software SMW + Extensions Custom Development
☺Very quick to ☺ Still quick to N Slow to develop
obtain program ☺Extremely flexible
N Hard to customize ☺ Easy to customize N High cost to develop
N Expensive ☺ Low-moderate cost and maintain
Microsoft Project Vulcan Project Wiki .NET Framework
Version One B.L.S. J2EE, …
Microsoft RPI map Ruby on rails
SharePoint
120
116. Tutorial Structure
Part I
Wiki and Semantics (Jesse)
Semantic MediaWiki (Jesse)
SMW+ (Mark)
Hands-On Session 1 (All)
Part II
Semantic Wikis in Practice (Mark)
Wiki Object Model and Widgets (Jesse, Ning)
Hands-On Session 2 (All)
Connecting to SMW+ (Jesse, Justin)
Wrap Up and Q&A (All)
122
117. Connecting to SMW+ and Consuming Data
Wiki - Microsoft Office Connector
– As known as WikiTags
– Access wiki content in your Microsoft Office applications
Motivation
Background
– Scrum wiki for Agile Software Development
Demo
123
118. SMW:: powerful tools and contents
Semantic MediaWiki and related extensions have more potential power
119. Need Release :: The Power
Be used by more
people
Content in more
places
Accessible via more
applications
Enhanced with more
semantics
120. Need :: Workflow Integration + Usability Enhancements
Infrequent Wiki users frequently forget where the wiki
pages are located
Search is a break from current workflow
Search result can be noisy or irrelevant
Usability:
– Wiki/Template/SF markup syntax is not extremely hard, but
enough to turn off many users
– To locate and consume info in SMW is just not easy
enough, need something better
Why don’t we leverage Microsoft Office suite?
121. Microsoft Office :: The Most Popular Productivity Suite
500m users worldwide
>90% market share
Users live in the “suite”
Outlook always open
Potential for SMW
122. MICROSOFT OFFICE CONNECTOR :: How It Works
Leverage Microsoft Office
Add-ins technology
Bring SMW info to Office
applications on-demand
API for semantic data I/O
Utilize semantics to
improve relevance
Smart actions for
semantic properties
123. Before the demo, let’s look a data wiki
AGILE PROJECT MANAGEMENT
124. Wiki :: Agile Project Management – Scrum++
Project Wiki
for
Milestones, Use
r
Stories, Develo
per Tasks, etc.
Page is form-
based, with
queries and
semantics built-
in
125. For more info, go to
http://wiking.vulcan.com/dev/
Now see the demo
LIVE ACTIONS
126. Backstage::Semantic Wiki Object Model
Wiki Validation To get page info
Authentication Get all forms related info
To get the categories Edit and save page w/ form
– And descriptions Change a property
To get the article titles Set form of a page
To get the semantic Create form templates
properties To upload into the Wiki
http://wiking.vulcan.com/dev/index.php/SMW_Webservice_APIs
127. Microsoft Office Connector Smart Connections
• Consume relevant, targeted information
– With the tools you are already familiar with
– In the context – better relevance and productivity
– In place – no search overhead to break workflow
– In real time – data from wiki is live
– Automatically – linking to wiki
• Let you contribute to Wiki
– Without knowing where the content is
– Without learning wiki/template syntax
128. Tutorial Structure
Part I
Wiki and Semantics (Jesse)
Semantic MediaWiki (Jesse)
SMW+ (Mark)
Hands-On Session 1 (All)
Part II
Semantic Wikis in Practice (Mark)
Wiki Object Model and Widgets (Jesse, Ning)
Hands-On Session 2 (All)
Connecting to SMW+ (Jesse, Justin)
Wrap Up and Q&A (All)
135
130. Summary: SMW and Applications
Semantic MediaWiki combines the power of semantics with
wiki’s usability and social ingredients
Semantic MediaWiki + wide range of extensions make it a
great choice for knowledge management and acquisition
Semantic MediaWiki evolves into a potential application
development platform for social semantic web
– Fits into cost-effective sweet spot
137
133. Questions about SMW in Enterprise and Government
SMW in a multi-datasource environment
– Microsoft Office plugin experience?
Usability
– User-level authoring of ontology information – useful?
– What is the next necessary visualization?
– How do you manage ontology/data evolution
Deployability in the enterprise
Is the current level of security sufficient?
Where is SMW weakest?
140
134. Wikipedia for Porsches (Acceleration Data Example)
Information Need: All Porsche models that accelerate 0-
100kph in under 5, 6, and 7 seconds
140. Dynamically-Generated Tables forfast?
Which Porsches accelerate
Queries
Information Need: All Porsche models that accelerate 0-
100kph in under 5, 6, and 7 seconds
----- Meeting Notes (3/24/11 15:29) -----Vulcan is the MothershipProviding funds and supportPaul Allen successful
Wikis started by adding a simple edit link to a website
So why does Wikipedia work, and wiki clock not?
Go to the main page, show off abstract previewClick on
Wikis, especially, semantic-enhanced wikis, are wonderful tools for collaboration and content management. Semantic MediaWiki Plus, with Halo and other useful extensions made it a great platform for web application development.
With all the semantic structures generated, it is important to empower more people with the magic of this platform. The more people use it, the better it will be.
With all the semantic structures generated, it is important to empower more people with the magic of this platform. The more people use it, the better it will be.
Microsoft Office application suite has more than 90% market share, generating billions of revenue for Microsoft. Many users are dependent on the application to get their things done, such as Excel, PowerPoint. Outlook, especially, is usually open all the time, and in fact, many people spend most of their work time a day with Outlook. So, if we can entice Microsoft Office users to use Semantic Wiki, it’ll be a great plus. 500 million users is from http://blogs.technet.com/office2010/archive/2009/10/07/new-ways-to-try-and-buy-microsoft-office-2010.aspx
WikiTags is here to bridge semantic wikis with more potential users, such as users of Microsoft Word, Outlook and Excel, with Microsoft SmartTag technology.
Let's at first take a look at some semantic wikis we have.
This is a bare-bone wiki for Sci-Fi movies, similar to Wikipedia except it contains extracted semantic information, shown here in the fact box.
We also have a project management and feature documentation wiki , full of semantic templates and forms, so it is also "semanticated“, a wiki of us, for us, and by us.
Now, let's see how it works with Office applications.
WikiMail let users contribute to the wiki using their familiar tools
WikiTags can help wikis connecting to more people and releasing more power of semantic wikis, and it is available for free trial.
The problem we are going to solve is “find the 0-60 times of all Porsche cars in Wikipedia”This is a sample Wikipedia page for the Porshe 996, showing its acceleration times in a performance data table.This table is manually built – all the table data exists as constants in the table.
This is a Wikipedia page showing 0-60 times for the Porsche Cayenne.If we have to manually go through every Porsche model to assemble the 0-60 data for each model and type, this is going to take a while.A better idea is to treat Wikipedia like a database, and simply query it. Enter Ultrapedia.
This is the Ultrapedia home page.
First notice that Ultrapedia can leverage all the data it extracts from Wikipedia to support a much more helpful UI.For example, Ultrapedia adds a manufacturer-based navigation system on the side, and show explanatory popups. These kinds of UI tweaks aren’t possible with MediaWiki now, and are an important benefit of having the semantic data.
Remember that we want to find the 0-60 acceleration data for all Porsche models that Wikipedia knows about.Let’s start by looking at a query generated table on the Ultrapedia Porsche 996 page. For comparison, Ultrapedia also includes the original performance table from Wikipedia (above)
This is Ultrapedia’sPorsche 996 performance table, built by a query to the Ultrapedia database of Wikipedia-extracted data.Notice that it has the same information that the original static table has, this is because we scrape the data from the static table.This table is dyamically generated at each page load out of the extracted Wikipedia data, so it is always up to date.It is sortable and also accepts feedback and ratings on individual data items.
Now we can answer our question about 0-60 times across all Porsche models with one simple query in Ultrapedia. We can make this an Ultrapedia-only page – the page itself just 5 queries on it (one for each acceleration range).We could also do this as one big table but it’s easier to read as 5 smaller tables.All the data here flows from Wikipedia.
Of course once you have data, Ultrapedia can support data visualizations. This is a simple Flash-based chart widget based on the same Porsche 996 data, and included in Ultrapedia’s Porsche 996 page.It shows us that while acceleration varies dramatically, top speed and peak engine power remain fairly constant across models.The chart was specified manually with a query. There are of course a huge number of possible ways to chart a set of data, and most of these ways are uninteresting.In the Ultrapedia concept, we rely on article authors to specify interesting charts for their readers that will support the particular points in the article.
We can also use the data to dynamically link to other data sources. In this case we have configured the Ultrapedia Porsche 996 article to include a live ebay query to find out what the Porsche 996 sells for today…We access the ebay data through a web services interface.We can do this for arbitrary other web-service-accessible data sources, like amazon or geonames.In a government or enterprise context, we would link articles to supporting data from appropriate systems of record.
I don’t think I’ll be buying one… I think I’d rather send my daughter to college.
Pictures automatically get metadata, so Ultrapedia can deliver an iPod-like “cover flow” browsing experience with images to augment the table data. We could also embed images or videos in the tables.
Since Ultrapedia includes some simple internal logic about time, we can generate simple browsable timelines and use them in articles.Here we see a timeline of VW models.
But, did you know that Uusikaupunki, Finland, is a major hub for Porsche manufacturing?Ultrapedia allows us to drill down to look at Finland’s contribution to Porsche production.