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| <h1 class="title">Tutorial SPARQL</h1> |
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| <h2 class="h6 sticky-top m-0 p-2 bg-body-tertiary">On this page</h2> |
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| <ul> |
| <li><a href="#tutorial-sparql">Tutorial SPARQL</a></li> |
| <li><a href="#outros-materiais">Outros Materiais</a></li> |
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| <article class="flex-column me-lg-4"> |
| <p>O objetivo deste tutorial é dar um curso rápido sobre SPARQL. Esse tutorial cobre os principais aspectos desta linguagem de consulta através de exemplos, mas não tem como objetivo ser completo.</p> |
| <p>Se você estiver procurando uma pequena introdução a SPARQL e Jena, experimente |
| <a href="https://www.ibm.com/developerworks/xml/library/j-sparql/">Search RDF data with SPARQL</a>. Se você quer executar consultas SPARQL e já sabe como ele funciona, então você deveria ler a <a href="/documentation/query/index.html">ARQ Documentation</a>.</p> |
| <p>SPARQL é uma |
| <a href="https://www.w3.org/TR/sparql11-query/">linguagem de consulta</a> e um |
| <a href="https://www.w3.org/TR/rdf-sparql-protocol/">protocolo</a> para acesso a |
| RDF elaborado pelo |
| <a href="https://www.w3.org/2001/sw/DataAccess/">W3C RDF Data Access Working Group</a>.</p> |
| <p>Como uma linguagem de consulta, SPARQL é orientada a dados de forma que só consulta as informações presentes nos modelos, não há inferência propriamente dita nesta linguagem de consulta. Por acaso, os modelos de Jena são “inteligentes” quanto a isso, e nos dá a impressão de que certas triplas são criadas sob demanda, incluindo raciocínio OWL. SPARQL nada mais faz do que pegar a descrição do que a aplicação quer, na forma de uma consulta, e retornar a informação, na forma de um conjunto de ligações ou grafo RDF.</p> |
| <h2 id="tutorial-sparql">Tutorial SPARQL</h2> |
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| <li><a href="sparql_data_pt.html">Preliminares: dados!</a></li> |
| <li><a href="sparql_query1_pt.html">Executando uma consulta simples</a></li> |
| <li><a href="sparql_basic_patterns_pt.html">Padrões básicos</a></li> |
| <li><a href="sparql_filters_pt.html">Restrição de valores</a></li> |
| <li><a href="sparql_optionals_pt.html">Informação opcional</a></li> |
| <li><a href="sparql_union_pt.html">Alternativas</a></li> |
| <li><a href="sparql_datasets_pt.html">Grafos nomeados</a></li> |
| <li><a href="sparql_results_pt.html">Resultados</a></li> |
| </ol> |
| <h2 id="outros-materiais">Outros Materiais</h2> |
| <ul> |
| <li><a href="https://www.w3.org/TR/sparql11-query/">SPARQL query language definition document</a> - |
| contem muitos exemplos.</li> |
| <li><a href="https://www.ibm.com/developerworks/xml/library/j-sparql/">Search RDF data with SPARQL</a> |
| (by Phil McCarthy) - artigo publicado por um desenvolvedor da IBM sobre SPARQL e Jena</li> |
| <li><a href="https://www.ilrt.bris.ac.uk/people/cmdjb/2005/04-sparql/">Guia de referência SPARQL </a> |
| (por <a href="https://www.ilrt.bristol.ac.uk/people/cmdjb/">Dave Beckett</a>)</li> |
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| <p>Detalhado <a href="/documentation/query/">ARQ documentation</a></p> |
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| <li><a href="#tutorial-sparql">Tutorial SPARQL</a></li> |
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