Semantic MediaWiki: A Collaborative Database Framework Yaron Koren - - PowerPoint PPT Presentation

semantic mediawiki a collaborative database framework
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Semantic MediaWiki: A Collaborative Database Framework Yaron Koren - - PowerPoint PPT Presentation

Semantic MediaWiki: A Collaborative Database Framework Yaron Koren Lotico New York Semantic Web meetup March 14, 2013 About me Yaron Koren live in New York City. MediaWiki and Semantic MediaWiki developer, consultant, author and


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Semantic MediaWiki: A Collaborative Database Framework

Yaron Koren Lotico New York Semantic Web meetup March 14, 2013

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About me

Yaron Koren – live in New York City. MediaWiki and Semantic MediaWiki developer, consultant, author and entrepreneur. My company: WikiWorks

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Wiki

  • A website where the contents can be edited via the

browser.

  • Wikis can be public or private – many companies

use them for internal knowledge management.

  • Around 10 major applications exist for running a

wiki – some open source, some proprietary.

  • The most popular wiki is Wikipedia.
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Semantic wiki

A wiki where data, not just text, can be stored and edited collaboratively.

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MediaWiki

  • The world's most popular wiki software
  • Powers Wikipedia and related sites like

Wiktionary and Wikiquote

  • Also powers Wikia, the most popular “wiki farm”
  • Open source software, written in PHP
  • Developed by the Wikimedia Foundation and many

volunteers.

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Semantic MediaWiki (SMW)

  • A popular MediaWiki extension
  • First developed in 2005 by Markus

Krötzsch and Denny Vrandečić

  • Provides a framework for storing and querying data,

turning MediaWiki into semantic wiki software

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Semantic MediaWiki has taken on a life

  • f its own
  • The dominant semantic wiki software – nothing else

comes close

  • In use on over 500 active wikis
  • About 30 active extensions rely on it
  • Has its own mailing lists and website
  • Has its own twice-yearly conference: SMWCon (next

SMWCon is next week, in New York City!)

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SMW and Wikidata

Wikidata – a new project (started in April 2012) that is creating a single, massive database of cross- language information, to be used by Wikipedia. Wikidata does not use SMW – but some of SMW was spun off into a separate library, to be used by both. Also, some of the Wikidata team consists of SMW developers (including Denny Vrandečić)

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SMW-based extensions

  • SMW provides the framework for storing and

querying data, through special tags

  • Other extensions provide helpful additional

functionality for creating, editing, browsing, visualizing, monitoring, etc. this data

  • When used altogether, the software can turn a wiki

into something more like a “collaborative database”

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Visualizations in SMW

  • lists
  • tables
  • graphs/charts
  • maps
  • calendars, timelines
  • etc.
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Calendar display

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Timeline display

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Map display

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Drill-down interface

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Drill-down interface (2)

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Oh yes, and Semantic MediaWiki can store and export data in RDF.

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Semantic Forms

  • Created by me in 2007
  • May be the most important extension to Semantic

MediaWiki (but I'm biased)

  • Lets admins create forms for creating and editing

pages, where each field holds a semantic value

  • Semantics + structure = a great combination!
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Demos!

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More information

My book, “Working with MediaWiki”, published November 2012 – covers all of MediaWiki and SMW

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More information

MediaWiki: mediawiki.org Semantic MediaWiki: semantic-mediawiki.org Referata, a wiki farm, where you can create an SMW- based wiki for free: referata.com