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shortipedia Second-hand facts. For free. i Denny Vrandečić (KIT / Wikimedia.de), Varun Ratnakar (USC), Markus Kröztsch (Oxford), Yolanda Gil (USC)

STI Summit 2011 - Shortipedia

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Page 1: STI Summit 2011 - Shortipedia

shortipedia Second-hand facts. For free.

i Denny Vrandečić (KIT / Wikimedia.de), Varun Ratnakar (USC),

Markus Kröztsch (Oxford), Yolanda Gil (USC)

Page 2: STI Summit 2011 - Shortipedia

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What is Shortipedia?

o Website o Based on Semantic MediaWiki o Collects assertions about everything o Provenance of these assertions o Multilingual labels for everything o Displays data from the Semantic Web o Allows easy integration of that data

Page 3: STI Summit 2011 - Shortipedia

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What does Shortipedia do?

o Creates a page on requested topic o Finds Wikipedia (for identity) o Uses SameAs.org and Sindice o Let users bind linked entities o Displays data from linked entities o Let users integrate assertions o Let users create new assertions

Page 4: STI Summit 2011 - Shortipedia

i Demo time!

Page 5: STI Summit 2011 - Shortipedia

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Design decisions

o Wikipedia / DBpedia as identity provider o Don’t trust the triples o Consistency not required o Triples are immutable o First map, then add o sameAs is different

Page 6: STI Summit 2011 - Shortipedia

Lessons learned

i o Data is noSi_y o Data is hard to understand o Labels are hard to get / unreliable o The Semantic Web is slow o No idea how to represent the diverse

knowledge o Semantics decided by ‘commoners’, not

experts

o Semantic Web researchers should build a Semantic Web application

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shortipedia www.shortipedia.org

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