Linked data at globo.com - Web of Linked Entities (WoLE 2013) - WWW 2013
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Linked Data at globo.com Semantic Team [email protected] Ícaro Medeiros [email protected] globo.com Web of Linked Entities 2013 WWW 2013 Monday, May 13, 13
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Transcript of Linked data at globo.com - Web of Linked Entities (WoLE 2013) - WWW 2013
Linked Data at globo.com
Semantic [email protected]
Ícaro [email protected]
globo.comWeb of Linked Entities 2013WWW 2013
Monday, May 13, 13
Who we are
Monday, May 13, 13
BROADCAST MOVIES PAY TV INTERNET
EVENTS MUSIC
PUBLISHING
NEW VENTURES NEWSPAPERRADIO NETWORK
Monday, May 13, 13
31.4MM unique visitors/month*
* source: Ibope, 04/13
globo.com
Monday, May 13, 13
Linked Data atglobo.com
Monday, May 13, 13
Semantic Webteam
Monday, May 13, 13
Organize and distribute all content produced by Organizações Globo
Mission
Monday, May 13, 13
Ontologies
Monday, May 13, 13
Base
Current scenario
news sports gossip tv
Monday, May 13, 13
Upper
Person Place Organization
Music
Politics
Programme Education
Sports
Future scenario
Monday, May 13, 13
Annotation tool
Monday, May 13, 13
Technologies
Monday, May 13, 13
Embedded into our existing CMSs
Web CMS
Video publishing system (developed in-house)
Common UX for content producers
Interface adapts itself to ontology
Annotations stored in Virtuoso triple store
Monday, May 13, 13
Monday, May 13, 13
Interface follows the ontology
Fields
Search ranges
Suggest as you type
Automatic entity extraction
Monday, May 13, 13
Automatic pagegeneration
Monday, May 13, 13
globoesporte.com
Monday, May 13, 13
globoesporte.com
Monday, May 13, 13
globoesporte.com
Monday, May 13, 13
globoesporte.com
Monday, May 13, 13
globoesporte.com
Monday, May 13, 13
globoesporte.com
Monday, May 13, 13
Brainiak:Linked data RESTful API
Monday, May 13, 13
triple store
Legacy architecture
process queue
suggest
annotation
entity extractor
search engineAPI
suggest
annotation
entity extractor
entity extractor
suggest
annotation
annotation
suggest entity extractor
CMS
CDA
Monday, May 13, 13
New architecture
triple store
search engine
BRAINIAK
API
Monday, May 13, 13
Linked data made simple!
Goal
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Authorization and authentication
Reduce need of writing SPARQL queries
Single point of access to the triplestore
Requirements
Data management quality (deduplication, validation, integration with external datasets, etc)
Monday, May 13, 13
RESTful hypermedia API
Requirements
Performance enhancement - caching
Monday, May 13, 13
Technologies
Monday, May 13, 13
Main concepts
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ContextIsolated dataspace (graph)
Sports
Context
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SchemaDefinition of a data type(i.e. definition of a class)
Sports
Team
Context
Schema
Monday, May 13, 13
Sports
Team
Schema
Instance
Collection
Barcelona
Instance
CollectionTeam
Context
Monday, May 13, 13
Hypermedia API
Monday, May 13, 13
Content negotiation
Decoupling server and client side
Access Simplicity (don’t remember URLs, navigate)
Hypermedia
Application is treated as a state machine
Monday, May 13, 13
self
/sports/Team/Barcelona
/sports/Team
inCollection
item
createdeletereplace
Relations
Monday, May 13, 13
Services
Monday, May 13, 13
Context List contexts
Collections List collections (of a context)
Services
Schemas Retrieve schema of a class (collection)
Monday, May 13, 13
List instances (same type)
Retrieve instance
Instances
Create instance
Update instance
Delete instanceMonday, May 13, 13
{ "@context": { "rdfs": "http://www.w3.org/2000/01/rdf-schema#" "sports": "http://semantica.globo.com/sports/", "upper": "http://semantica.globo.com/upper/", }, "@id": "http://semantica.globo.com/sports/Team/Barcelona", "@type": "sports:Team", "rdfs:label": "Barcelona", "upper:fullName": "Futbol Club Barcelona", "upper:acronym": "BARCELONA"}
/sports/Team/BarcelonaGET
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Filtering instances
Monday, May 13, 13
Filtering instances
SELECT * FROM <http://semantica.globo.com/sports/>WHERE { ?s a sports:Team . ?s rdfs:label “Barcelona” .}
Monday, May 13, 13
Filtering instances
Monday, May 13, 13
/sports/Team?p=rdfs:label&?o=Barcelona
Filtering instances
Monday, May 13, 13
Dealing with legacy and external graphs
/sports/&graph_uri=dbpedia:sports
&class_uri=dbpedia-ont:Team
Monday, May 13, 13
Brainiak will be open sourced next Monday at
1st Globo Semantic Day
Join now for free:
bit.ly/semantic_day_globo
Follow us on github:github.com/globocom
Monday, May 13, 13
How we seethe future
Monday, May 13, 13
Inference-based navigation
SEO (automatic schema.org)
Richer content (e.g. timelines), frequent automatic updates
Better annotation suggestion (DBpedia Spotlight)
Linked with open data (DBPedia, dados.gov.br)
Monday, May 13, 13
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