16. Isabella Nardoni foi morta em 29 de março de 2008
na Zona Norte de São Paulo (Foto:Reprodução)
Isabella de Oliveira Nardoni, de 5
anos, foi morta na noite de 29 de
março de 2008. A perícia concluiu
que a menina foi atirada do sexto
andar do prédio onde moravam seu
pai, Alexandre Nardoni, sua
madrasta, Anna Carolina Jatobá, e
dois filhos pequenos do casal, na
Vila Isolina Mazzei, na zona norte de
São Paulo.
Túmulo de Isabella vira local de visitação em SP; casal Nardoni está preso.
Caso Isabella Nardoni
Juliana Cardilli G1 SP
RDF
FOAF
GEO
Dublin
Core
SKOS
Semantic markup in web pages
Motivation
24. Outcomes
● To replace words by entities improved:
○ Finding
○ Linking
○ Reconciling
○ Organizing
multiple layers of information
25. Outcomes
● Flexible ways to organize content
● Ease to find related issues
● Explicit relations derived from annotated content
● Up-to-date topic pages with little editorial effort
● Linking content across different web products
● Seamless navigation leading to flow state
26. Status Quo
Used by the main web products of Globo.com:
○ 18,485 organizations
○ 83,000 people
○ 9,129 places
○ 1,000,000+ annotated news
Which sum up 2,500,000+ entities!
from August 2010 to May 2013
30. Poor data management
○ direct access to triple store (unmanaged)
○ difficulty to share data (distributed DBs)
○ re-sync triple-store and search engine index
○ scalability of triple store
○ high entropy in distributed ontology engineering
Problems
34. Semantic as a library
○ many different versions in production
○ programming language dependent
○ steep learning curve for RDF/OWL/SPARQL
Problems
35. Create an open semantic data management platform
● Scalable
● Mobile and Web friendly
● Interconnect Globo's data with external data sources
● Automate content extraction (including NER)
Solution
39. Requirements
● Indirect usage of SPARQL
● Programming language independent
● Data management with quality
● Finer-grained authorization and authentication
● Isolate applications from triplestore
● Improve triplestore performance
40. SPARQL query
DEFINE input:inference <http://data.globo.com/ruleset>
SELECT ?uri ?label
FROM <http://data.globo.com/sports/>
WHERE
{
?uri a <http://data.globo.com/sports/Team>;
rdfs:label ?label .
}
LIMIT 10
OFFSET 0
task: list all sports teams
44. SPARQL query
SELECT DISTINCT ?class
WHERE {
<http://data.globo.com/place/City> rdfs:subClassOf ?class OPTION
(TRANSITIVE, t_distinct, t_step('step_no') as ?n, t_min (0)) .
?class a owl:Class .
}
task: retrieve all superclasses of a class
48. ● Enrich Globo.com search
● SEO (automatic schema.org)
● Improve annotator (DBpedia Spotlight)
● Richer content relationships (inference)
● Link to open data (e.g. DBPedia, dados.gov.br)
Next steps
