Linked Data at globo.com

Semantic Teamsemantica@corp.globo.com

Ícaro Medeirosicaro.medeiros@gmail.com

globo.comWeb of Linked Entities 2013WWW 2013

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Who we are

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BROADCAST MOVIES PAY TV INTERNET

EVENTS MUSIC

PUBLISHING

NEW VENTURES NEWSPAPERRADIO NETWORK

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31.4MM unique visitors/month*

* source: Ibope, 04/13

globo.com

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Linked Data atglobo.com

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Semantic Webteam

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Organize and distribute all content produced by Organizações Globo

Mission

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Ontologies

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Base

Current scenario

news sports gossip tv

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Upper

Person Place Organization

Music

Politics

Programme Education

Sports

Future scenario

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Annotation tool

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Technologies

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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

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Interface follows the ontology

Fields

Search ranges

Suggest as you type

Automatic entity extraction

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Automatic pagegeneration

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globoesporte.com

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globoesporte.com

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globoesporte.com

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globoesporte.com

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globoesporte.com

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globoesporte.com

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Brainiak:Linked data RESTful API

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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

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New architecture

triple store

search engine

BRAINIAK

API

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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)

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RESTful hypermedia API

Requirements

Performance enhancement - caching

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Technologies

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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

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Sports

Team

Schema

Instance

Collection

Barcelona

Instance

CollectionTeam

Context

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Hypermedia API

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Content negotiation

Decoupling server and client side

Access Simplicity (don’t remember URLs, navigate)

Hypermedia

Application is treated as a state machine

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self

/sports/Team/Barcelona

/sports/Team

inCollection

item

createdeletereplace

Relations

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Services

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Context List contexts

Collections List collections (of a context)

Services

Schemas Retrieve schema of a class (collection)

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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

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Filtering instances

SELECT * FROM <http://semantica.globo.com/sports/>WHERE { ?s a sports:Team . ?s rdfs:label “Barcelona” .}

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Filtering instances

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/sports/Team?p=rdfs:label&?o=Barcelona

Filtering instances

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Dealing with legacy and external graphs

/sports/&graph_uri=dbpedia:sports

&class_uri=dbpedia-ont:Team

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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

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How we seethe future

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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)

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THANK YOU

Semantic Teamsemantica@corp.globo.com

Ícaro Medeirosicaro.medeiros@gmail.com

globo.com

Monday, May 13, 13