Download - OpenData, Web Semântica e afins
Alexandre Gomes
web semânticaDados abertos
e afins...
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http://creativecommons.org/licenses/by-nc/3.0/br/Thursday, April 21, 2011
In Web development, a
mashupis a Web page or application
that uses and combines data, presentation or functionality from two or more sources
to create new services
http://en.wikipedia.org/wiki/Mashup_(web_application_hybrid)Thursday, April 21, 2011
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programmableweb.com/mashup-tag-cloud
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The Open Mind Principle
O melhor uso que poderá ser feito com
seus dados certamente será feito por outros e
não por você.
@ricardopoppi
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#opendatadados abertos
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A piece of content or data is open if anyone is free to use, reuse, and redistribute it — subject only, at most,
to the requirement to attribute and share-alike.
“http://www.opendefinition.org/
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It’s crucial because open data is so much
easier to break-up and recombine, to use
and reuse.
“http://www.opendatacommons.org/
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#opengovdatadados abertos governamentais
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http://www.opengovdata.org/
Open Government Data is public government records
that is sharedwith the public digitally,
over the Internet, in a way that promotes
analysis and reuse.
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http://www.opengovdata.org/
8 Principles of Open Government Data
1. Data Must Be Complete2. Data Must Be Primary3. Data Must Be Timely4. Data Must Be Accessible5. Data Must Be Machine processable6. Access Must Be Non-Discriminatory7. Data Formats Must Be Non-Proprietary8. Data Must Be License-free
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http://opendatagov.wiki.brThursday, April 21, 2011
Iniciativaspúblicas e privadas
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http://wiki.thackdaydf.com.brThursday, April 21, 2011
http://sacsp.mamulti.com/Thursday, April 21, 2011
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http://api.tcm.ce.gov.br/Thursday, April 21, 2011
http://www.governoaberto.sp.gov.brThursday, April 21, 2011
http://wiki.gtinda.ibge.gov.br/Thursday, April 21, 2011
Visualizaçãode dados
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http://estadao.com.br/especiais/a-nova-assembleia-legislativa-de-sao-paulo,133312.htm
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http://tables.googlelabs.com/Thursday, April 21, 2011
http://www.informationisbeautiful.net/Thursday, April 21, 2011
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Fontesde dados
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http://www.datasus.gov.brThursday, April 21, 2011
http://tse.gov.brThursday, April 21, 2011
http://www.receita.fazenda.gov.br/Thursday, April 21, 2011
http://inep.gov.br/Thursday, April 21, 2011
http://www.ibge.gov.br/Thursday, April 21, 2011
http://www.sigabrasil.gov.brThursday, April 21, 2011
http://www.senado.gov.brThursday, April 21, 2011
http://www.comprasnet.gov.br/Thursday, April 21, 2011
http://api.tcm.ce.gov.br/Thursday, April 21, 2011
http://www.portaldocidadao.tce.sp.gov.brThursday, April 21, 2011
webcidadania“coadjuvando na web”
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http://www.cidadedemocratica.org.brThursday, April 21, 2011
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http://blog.chenalexander.com/2011/conductor-mta/Thursday, April 21, 2011
&técnicas
scraping, xls, pdf, csv, api, linked data, web semântica
tecnologias
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RaspagemThursday, April 21, 2011
http://docs.python.org/release/2.6/library/urllib.htmlurllib — Open arbitrary resources by URL
urllib2 — extensible library for opening URLshttp://docs.python.org/release/2.6/library/urllib2.html
http://www.crummy.com/software/BeautifulSoup/
Beautiful Soup is a Python HTML/XML parser designed for quick turnaround projects like screen-scraping.
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Nokogiri 鋸an HTML, XML, SAX, and Reader parser
http://nokogiri.org/
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nterface
pplication rogramming
API
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What is YQL?The Yahoo! Query Language is an expressive SQL-like language that lets you query, filter, and join data across Web services.
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http://api.tcm.ce.gov.br/Thursday, April 21, 2011
web semânticaWeb 3.0
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http://www.worldwidewebsize.com/Thursday, April 21, 2011
http://www.worldwidewebsize.com/
A Internet tem um tamanho estimado de 40 bilhões de páginas.
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Falta-lhe significado...Thursday, April 21, 2011
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¿município?
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A web é um lugar onde os computadores são responsáveis pela apresentação (fácil)
e as pessoas fazem a interpretação (difícil)
“http://wiki.thackdaydf.com.br/index.php/Web_Semantica
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->apresentação fácil computador->
interpretação difícil homem-> ->
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inverterPor que não ?Thursday, April 21, 2011
->apresentação fácil computador->
interpretação difícil homem-> ->
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->apresentação fácil computador->
interpretação difícil-> -> computador
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aí sim potencializaremos o uso de dadosThursday, April 21, 2011
mas, pra isso, a primeira coisa a se fazer é definir um vocabulário
comum...
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ontologia->
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RDFtriplas
:Documento :ehDoTipo “nota_fiscal”
resource description framework
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SPARQLPREFIX foaf: SELECT ?name ?emailWHERE { ?person a foaf:Person. ?person foaf:name ?name. ?person foaf:mbox ?email.}
SPARQL Protocol and RDF Query Language
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http://dl.dropbox.com/u/18364240/Aula1Augusto/dia1.html
http://dl.dropbox.com/u/18364240/Aula1Augusto/dia2.html
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documentos coisasThursday, April 21, 2011
A Web Semântica é uma extensão da web atual na qual é dado a informação um significado bem definido,
permitindo com que computadores e pessoas
trabalhem em cooperação.
Berners-Lee, Hendler e Lassila
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P&RThursday, April 21, 2011