Web 2.0 meetSemantic Web

at Yahoo!

Dave BeckettYahoo! Media Group

November 8, 2006

2

Yahoo! as Participation Platform

• Use your stuff with our stuff

• Read / write web – Web 2.0

• FUSE:

– Find

– Use

– Share

– Expand

3

Lots of Open Data

Many

• Data forms:search, text, bookmarks, tags, maps, images, video, audio, events, jobs, ...

• APIs

• Users: 500M+/month

• Relationships, groups, friends

• Mashups!

4

Web Technology core

• HTTP web services

• Web content – HTML, CSS, ...

• Web metadata – RDF/OWL

• Describe metadata – RDFS/OWL

• Constrain metadata – OWL

• Mix the metadata – vocabularies

• Query it – SPARQL?

5

Yahoo! Food: food.yahoo.com