NYC Semantic Web Meetup - Aug 2009

A socially managed semantic database

All objects in Freebase have strong identiﬁers http://rdf.freebase.com/ns/en.yorkie

Graph Merging Magic topic: topic: topic: Barack Obama Barack Obama Switzerland government position held took money from is based in topic: topic: topic: United States UBS AG UBS AG Senator Freebase CRP SWX listing

Graph Merging Magic topic: topic: Barack Obama Switzerland government position held took money from is based in topic: topic: topic: United States UBS AG UBS AG Senator Freebase SWX listing

Graph Merging Magic topic: topic: Barack Obama Switzerland government position held took money from is based in topic: topic: United States UBS AG Senator Freebase

Contributions over $50000 made to members of the US congress in the 2008 election cycle by companies headquartered outside of the United States topic: topic: Barack Obama Switzerland government position held took money from is based in topic: topic: United States UBS AG Senator Freebase

Industry Browser http://kiwitobes.com/industry_mashup/

Industry Browser Identity Model Industry (USCB) Company Company Donations NAICS Ticker CRP CRP ID CRP CRP ID NAICS/SIC Map SEC Freebase Industry (SEC) Company People Person SIC SEC CIK SEC CIK Freebase Wikipedia Freebase Wikipedia Location Article ZIP Code

Freebase Suggest

http://dev.freebaseapps.com/docs/suggest

Don’t have a topic that you need need? ADD IT! Freebase is user writable

The Ofﬁce (US) Leatherheads TV Program Film stars in starred in John Krasinski Person, Actor attended Brown University College/university Data Model

Don’t have a topic that you need need? ADD IT! Users extend the data model

schema = vocabulary

1500 types with 500+ instances!! A range of of vocabularies....

[{ "name" : null, "type" : "/ﬁlm/ﬁlm" }] MQL

[{ "name" : null, "type" : "/ﬁlm/ﬁlm", "directed_by":"George Lucas" }] MQL

[{ "name" : null, "type" : "/ﬁlm/ﬁlm", "directed_by":{"id":"/en/george_lucas"} }] MQL

[{ "name" : null, "type" : "/ﬁlm/ﬁlm", "directed_by":{"id":"/en/george_lucas"}, "starring":[{ "actor":null }] }] Film Performance Actor

[{ "name" : null, "type" : "/ﬁlm/ﬁlm", "directed_by":{"id":"/en/george_lucas"}, "starring":[{ "actor":{"id":"/en/harrison_ford"} }] }] MQL

[{ "name" : null, "type" : "/film/film", "directed_by":{"id":"/en/george_lucas"}, "starring": [{ "actor": { "name": null, "film": [{ "film": {"id": "/en/the_great_escape"} }] } }] }] Donald Pleasence THX 1138

A Semantic Publishing Platform

http://rdf.freebase.com/

Freebase Schema in RDFS http://rdfvocab.freebaseapps.com/fb2rdfs?domain=/film <rdf:RDF> <rdf:Description rdf:about="http://rdf.freebase.com/ns/film.film"> <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/> <label>Film</label> </rdf:Description> <rdf:Description rdf:about="http://rdf.freebase.com/ns/film.film.initial_release_date"> <rdf:type rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/> <label>Initial release date</label> <domain rdf:resource="http://rdf.freebase.com/ns/film.film"/> <range rdf:resource="http://rdf.freebase.com/ns/type.datetime"/> </rdf:Description> <rdf:Description rdf:about="http://rdf.freebase.com/ns/type.datetime"> <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/> <label>Date/Time</label> </rdf:Description> <rdf:Description rdf:about="http://rdf.freebase.com/ns/film.film.directed_by"> <rdf:type rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/> <label>Directed by</label> <domain rdf:resource="http://rdf.freebase.com/ns/film.film"/> <range rdf:resource="http://rdf.freebase.com/ns/film.director"/> </rdf:Description> <rdf:Description rdf:about="http://rdf.freebase.com/ns/film.director"> <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/> <label>Film director</label>

Designing for change We believe this for code, why not data?

Graph Stores

Data Data Portability Semantics allows data to be utilized by Data unanticipated new applications Data Data Plug-able Semantics allows an Data application to utilize unanticipated new Data Data data sources

Consume Process Republish DATA DATA Application Ecosystem

Application Ecosystem

rel=license

Strong Identiﬁers Strong Semantics Open Data

http://blog.freebase.com	256
http://thenoisychannel.com	149
http://smartdatacollective.com	10
http://blog.contentmanagementconnection.com	8
http://127.0.0.1:8795	1
http://www.hanrss.com	1
http://cmc.l50sw.com	1

NYC Semantic Web Meetup - Aug 2009

by Jamie Taylor

Accessibility

Categories

Upload Details

Usage Rights

7 Embeds 426

Statistics