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%META:TOPICPARENT{name="VirtTipsAndTricksSPARQL11FeaturesExamplesCollection"}% ---+Virtuoso SPARQL 1.1. VALUES Usage Examples ---++What? This guide contains Virtuoso SPARQL 1.1. VALUES Usage example queries which you can run against any SPARQL endpoint that supports SPARQL 1.1 and the ability to allow a verified user perform INSERT operations. ---++Why? SPARQL 1.1 provides a mechanism for inline incorporation of Data as part SPARQL query patterns. ---++How? Here are some examples showcasing Virtuoso's support for this functionality: 1 Assume the following statement for inserting triples INTO DBMS or Store: <verbatim> PREFIX : <http://example.org/book/> PREFIX ns: <http://example.org/ns#> INSERT { GRAPH <urn:sparql:bind:tests> { :book1 <http://purl.org/dc/elements/1.1/title> "SPARQL Tutorial" . :book1 ns:price 42 . :book1 ns:discount 0.2 . :book2 <http://purl.org/dc/elements/1.1/title> "The Semantic Web" . :book2 ns:price 23 . :book2 ns:discount 0.25 . } } </verbatim> 1 From a Virtuoso SPARQL Endpoint ( http://host:port/sparql ) query the graph by executing the query from below for ex.: <verbatim> PREFIX : <http://example.org/book/> PREFIX ns: <http://example.org/ns#> SELECT ?book ?title ?price FROM <urn:sparql:bind:tests> WHERE { VALUES ?book { :book1 :book3 } ?book <http://purl.org/dc/elements/1.1/title> ?title ; ns:price ?price . } </verbatim> 1 [[http://bit.ly/1mHUVGI][View the SPARQL Query Definition via SPARQL Protocol URL]]; 1 [[http://bit.ly/1i75jDz][View the SPARQL Query Results via SPARQL Protocol URL]]; 1 Alternative variant of the query: <verbatim> PREFIX : <http://example.org/book/> PREFIX ns: <http://example.org/ns#> SELECT ?book ?title ?price FROM <urn:sparql:bind:tests> WHERE { ?book <http://purl.org/dc/elements/1.1/title> ?title ; ns:price ?price . VALUES (?book ?title) { (UNDEF "SPARQL Tutorial") (:book2 UNDEF) } } </verbatim> 1 [[http://bit.ly/1fRt1Dz][View the SPARQL Query Definition via SPARQL Protocol URL]]; 1 [[http://bit.ly/VnjeeG][View the SPARQL Query Results via SPARQL Protocol URL]]. ---++Related * [[http://www.w3.org/TR/sparql11-query/#inline-data][SPARQL 1.1. inline data via use of VALUES clause]] * [[VirtTipsAndTricksGuide][Virtuoso Tips and Tricks Collection]] * [[VirtTipsAndTricksSPARQL11FeaturesExamplesCollection][Virtuoso SPARQL 1.1 Usage Examples Collection]] * [[http://virtuoso.openlinksw.com/tutorials/sparql/SPARQL_Tutorials_Part_9/SPARQL_Tutorials_Part_9.html][Virtuoso SPARQL 1.1 Syntax Tutorial]] * [[http://bit.ly/U0q7Hb][Virtuoso SPARQL 1.1 VALUES Tutorial]] * [[http://bit.ly/Uo5hP6][Virtuoso SPASQL And SPARQL Tutorial]] * [[http://docs.openlinksw.com/virtuoso/rdfsparql.html][Virtuoso Documentation]]

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