Semantic Media Wiki & Semantic Forms

Semantic MediaWiki & Semantic Forms Semantic Web New York meetup March 13, 2008 Sergey Chernyshev Yaron Koren TechPresentations.org Semantic Forms This work is licensed under a Creative Commons Attribution-Share Alike 3.0 United States License

Sergey Chernyshev Director, Web Systems and Applications at truTV 12+ years in web development MediaWiki Widgets, Page Object Model (POM) http://www.TechPresentations.org

Audience survey Please raise a hand if: Know what Wikis are? Installed Wiki software? Contributed to Wikipedia (or other public Wiki)? Familiar with Semantic Web idea?

TechPresentations.org Presentations are cutting edge (well sooner then books) Tracks presentations, presenters, companies, topics, conferences, conference series, calls for papers and more Feeds: Upcoming conferences, Open calls for papers, Topic presentations (soon), Topic conferences (soon) and etc. How did I get to use wiki: Started as a blog Needed more quot;persistentquot; project, needed collaboration but didn't know the full scope (I still don't) Had some experience with other wiki software (TWiki, WackoWiki, XPoint wiki) for collaboration, agile project documentation and etc. Installed MediaWiki

MediaWiki Most popular Wiki software developed by WikiMedia foundation Open Source, GNU General Public License (GPL) PHP + MySQL Massively Multilingual, easily extensible (APIs) Runs Wikipedia, Wikia, WikiTravel, AboutUs and many more http://s23.org/wikistats/ (largest, >11K articles) 31K public sites, many internal (Novell, Intel ...) 26M articles (6M images, total 111M pages) 15M users (45K admins) 586M edits ... long tail must be huge

Semantic MediaWiki extension Extension to MediaWiki software http://www.semantic-mediawiki.org/ Lead by Markus Krötzsch and Denny Vrandecic of Institut AIFB of Universität Karlsruhe, Germany Sponsors: European Union DocCheck GmbH HP Labs Palo Alto Ontoprise GmbH (Halo project funded by Vulcan Inc.)

Adding annotations Regular page (http://www.example.com/Man-Month) Title: '''Mythical Man-Month''' ISBN: 0201835959 Page with semantic markup Title: '''[[Has Title::Mythical Man-Month]]''' ISBN: [[Has ISBN::0201835959]] Creates two quot;triplesquot;: (Man-Month, Has Title, quot;Mythical Man-Monthquot;) (Man-Month, Has ISBN, quot;0201835959quot;)

Semantic templates Within the page {{Book |Mythical Man-Month |ISBN=0201835959 }} Template:Book Title: '''[[Has Title::{{{1}}}]]''' ISBN: [[Has ISBN::{{{ISBN}}}]])

Properties /Property:<property name> - defines the property (free-text description, data type and how values are displayed). [[has type::Type:Page]] Types String, Number, Page Date, URL, Email Geo, Temperature Custom units [[Corresponds to::1 km, kilometer, kilometers]] [[Corresponds to::1000 m, meter, meters]] [[Corresponds to::0.621371192 mile, miles]] [[display units::km,miles]]

Semantic queries /Special:Ask inline queries Custom syntax (not SPARQL), includes formatting: lists, tables, interactive timelines, Maps (using Semantic Layers extension), custom styles (using templates). {{#ask: [[Category:Conference]] [[Start Date::+]] |? Start Date |? End Date |? Location |format = table }}

Special properties, RDF Export Special properties Allows value, Has type, Provides service Ontologies and inferencing Imported from (external vocabularies, e.g. foaf:homepage) Equivalent URI (owl:sameAs) Redirects, Subproperty Of RDF Export /Special:ExportRDF/<Page_Name> SMW_dumpRDF.php SMW_pingSemWeb.php

Demo Page with factbox Semantic template 'Conference' Semantic queries Inline queries, different formsts (timelines, lists, tables, custom) Semantic browsing RDF Export

Resources http://www.mediawiki.org/ http://www.semantic-mediawiki.org/ http://www.mediawiki.org/wiki/Extension:SemanticMediaWiki semediawiki-user@lists.sourceforge.net semediawiki-devel@lists.sourceforge.net SVN repository https://bugzilla.wikimedia.org/

Yaron Koren Web developer Started working with MediaWiki and Semantic MediaWiki in summer of 2006

Yaron's philosophy of data All semantic data should be structured All structured data should be semantic (where quot;semanticquot; just means quot;queriablequot; or quot;retrievablequot;) All details of data storage should be hidden from regular users

In a wiki, this translates to... All semantic markup should be contained in templates All templates with data should ideally use semantic markup for that data Editing of pages that use templates should be done through forms Navigating through the data should be possible without any knowledge of the semantic relationships

Thankfully, there's an under-appreciated advantage to using semantic representation Because all data and meta-data are stored in the same place, it's very easy to create generic, one-size-fits-all solutions, that work regardless of one's data structure

The semantic MediaWiki extensions Semantic MediaWiki - Markus Krötzsch, Denny Vrandečić, Max Völkel - September 2005 Semantic Forms - Yaron Koren - May 2007 Semantic Layers - Matt Williamson - September 2007 Semantic Google Maps - Robert Buzink - September 2007 Semantic Drilldown - Yaron Koren - December 2007 Semantic Calendar - Yaron Koren - February 2008 Data Transfer - Yaron Koren - February 2008

Semantic Forms Allows for the creation of forms for adding and editing pages that use templates Forms are defined using a mini-scripting language Forms are created on-the-fly based on existing data, the form definition and the templates that the form outputs

Semantic Forms Also provides quot;helper formsquot; for creating forms, templates and properties

Semantic Forms Used in around 50-80 (educated guess) wikis around the world at the moment

Semantic Layers, Semantic Google Maps Display geographical semantic data using OpenLayers (an open-source API) and Google Maps, respectively

Semantic Drilldown Shows a drilldown interface for viewing the wiki's data Filters for the drilldown are defined ahead of time, and are based on semantic properties

Semantic Calendar Displays semantic date information in a calendar

Data Transfer Allows for XML export of page data; may eventually allow for XML import as well Somewhat epitomizes the idea of hiding the data structure - even to the outside world, the wiki can appear to be a regular, database- driven website

Referata Possibly world's first... okay, possibly world's second semantic wiki farm Located at referata.com; lets users create wikis at wiki-name .referata.com Basic usage is free; feel free to create your own

What now? Install and Learn more http://www.mediawiki.org/ http://www.semantic-mediawiki.org/ http://www.mediawiki.org/Extension:Semantic_Forms Go contribute to some public (Semantic) Wiki! http://www.swnyc.org/ http://www.referata.com/ http://www.techpresentations.org/ Contact info: Sergey Chernyshev: sergey.chernyshev@gmail.com Yaron Koren: yaron57@gmail.com

If we'll have more time / additional slides

Books Wiki Way (2001) MediaWiki Administrator's by Bo Leuf and Ward Cunningham Tutorial Guide (2007) ISBN: 0-201-71499-X by Mizanur Rahman ISBN: 0-201-71499-X

MediaWiki syntax Simple markup syntax that defined both structure and look-n-feel = Header 1 =, == Header 2 == ... [[Article Name]], [http://swnyc.org/ SW Meetup] '''bold''', ''Italic '' [[Image:Example.jpg]] [[Category:Example]] __NOTOC__, __NOEDITSECTION__ Templates {{Book|Mythical Man-Month|ISBN=0201835959}} Template:Book Title: '''{{{1}}}''' ISBN: [[{{{ISBN}}}]])

MediaWiki syntax (logic) Parser functions {{lc:SoMe StRiNg}} {{#if:...|...|...}} {{#widget:Feed |feedurl=http://techpresentations.com/feed/ |chan=y|num=10|desc=300|date=n|targ=n}} Variables {{CURRENTYEAR}}... {{SITENAME}}, {{PAGENAME}}... {{REVISIONID}}... {{TALKPAGENAME}} ...

Semantic Media Wiki & Semantic Forms

by Sergey Chernyshev on Mar 14, 2008

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Semantic Media Wiki & Semantic Forms — Presentation Transcript

http://www.mediawikiwidgets.org	2007
http://16.19.140.57	1595
http://www.techpresentations.org	447
http://some.lappia.fi	312
http://wiki.zum.de	272
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http://pamhook.com	237
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http://stcos.stc.capgemini.nl	2
https://mediawiki.goethe.de	2
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http://www.cosmicstation.org	2
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http://rgm2.lab.nig.ac.jp	1
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http://semwebquality.org	1
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https://pl.hurra.com	1
http://v-db-bld01.mstest.iseoptions.com	1
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http://naturanainternet.com	1
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http://fr.design-platform.org	1
http://wiki.ignou.ac.in	1
http://lussuria.cselt.it	1
http://www.hakitree.com	1
http://sergeyche.net	1
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http://192.168.0.63	1
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