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  • %META:TOPICPARENT{name="VirtTipsAndTricksSPARQL11FeaturesExamplesCollection"}% ---+ Using SPARQL 1.1 Assignments ---++What? Using SPARQL 1.1 assignments. ---++Why? Allows the creation of new values in a query. ---++How? Here is example showcasing Virtuoso's support for this functionality: 1 Assume the following Raw Data Representation in Turtle: <verbatim> <#lemonade> <#price> 4 . <#wine> <#price> 6 . <#water> <#price> 1 . <#beer> <#price> 3 . <#liqueur> <#price> 5 . </verbatim> 1 Load the sample data using SPARQL 1.1. INSERT Syntax: <verbatim> INSERT { GRAPH <urn:sparql:tests:assign> { <#lemonade> <#price> 4 . <#wine> <#price> 6 . <#water> <#price> 1 . <#beer> <#price> 3 . <#liqueur> <#price> 5 . } } </verbatim> 1 Let's assign new price: <verbatim> SELECT ?item (?price*2.3 as ?NewPrice) FROM <urn:sparql:tests:assign> WHERE { ?item <#price> ?price } </verbatim> * [[http://bit.ly/VpdZ0Q][View the SPARQL Query Definition via SPARQL Protocol URL]] * [[http://bit.ly/Z8r4vg][View the SPARQL Query Results via SPARQL Protocol URL]] ---++Related * [[VirtTipsAndTricksSPARQL11FeaturesExamplesCollection][SPARQL 1.1 Features Examples Collection]] * [[http://www.w3.org/TR/2010/WD-sparql11-property-paths-20100126/][SPARQL 1.1. Property Paths]] * [[http://www.w3.org/TR/sparql11-query/#inline-data][SPARQL inline data via use of VALUES clause]] * [[http://virtuoso.openlinksw.com/tutorials/sparql/SPARQL_Tutorials_Part_9/SPARQL_Tutorials_Part_9.html][Virtuoso SPARQL 1.1 Syntax Tutorial]] * [[http://www.w3.org/TR/2010/WD-sparql11-query-20100126/#subqueries][SPARQL 1.1 Sub-queries]] * [[http://www.w3.org/TR/sparql11-query/][SPARQL 1.1 Specification]] * [[http://www.w3.org/TR/rdf-sparql-protocol/][SPARQL Protocol (HTTP based Query Service)]] * [[http://docs.openlinksw.com/virtuoso/rdfsparql.html][Virtuoso Documentation]] * [[VirtTipsAndTricksGuide][Virtuoso Tips and Tricks Collection]]
  • %META:TOPICPARENT{name="VirtTipsAndTricksSPARQL11FeaturesExamplesCollection"}% ---+ Using SPARQL 1.1 Assignments ---++What? Using SPARQL 1.1 assignments. ---++Why? Allows the creation of new values in a query. ---++How? Here is example showcasing Virtuoso's support for this functionality: 1 Assume the following Raw Data Representation in Turtle: <verbatim> <#lemonade> <#price> 4 . <#wine> <#price> 6 . <#water> <#price> 1 . <#beer> <#price> 3 . <#liqueur> <#price> 5 . </verbatim> 1 Load the sample data using SPARQL 1.1. INSERT Syntax: <verbatim> INSERT { GRAPH <urn:sparql:tests:assign> { <#lemonade> <#price> 4 . <#wine> <#price> 6 . <#water> <#price> 1 . <#beer> <#price> 3 . <#liqueur> <#price> 5 . } } </verbatim> 1 Let's assign new price: <verbatim> SELECT ?item (?price*2.3 as ?NewPrice) FROM <urn:sparql:tests:assign> WHERE { ?item <#price> ?price } </verbatim> * [[http://bit.ly/VpdZ0Q][View the SPARQL Query Definition via SPARQL Protocol URL]] * [[http://bit.ly/Z8r4vg][View the SPARQL Query Results via SPARQL Protocol URL]] ---++Related * [[VirtTipsAndTricksSPARQL11FeaturesExamplesCollection][SPARQL 1.1 Features Examples Collection]] * [[http://www.w3.org/TR/2010/WD-sparql11-property-paths-20100126/][SPARQL 1.1. Property Paths]] * [[http://www.w3.org/TR/sparql11-query/#inline-data][SPARQL inline data via use of VALUES clause]] * [[http://virtuoso.openlinksw.com/tutorials/sparql/SPARQL_Tutorials_Part_9/SPARQL_Tutorials_Part_9.html][Virtuoso SPARQL 1.1 Syntax Tutorial]] * [[http://www.w3.org/TR/2010/WD-sparql11-query-20100126/#subqueries][SPARQL 1.1 Sub-queries]] * [[http://www.w3.org/TR/sparql11-query/][SPARQL 1.1 Specification]] * [[http://www.w3.org/TR/rdf-sparql-protocol/][SPARQL Protocol (HTTP based Query Service)]] * [[http://docs.openlinksw.com/virtuoso/rdfsparql.html][Virtuoso Documentation]] * [[VirtTipsAndTricksGuide][Virtuoso Tips and Tricks Collection]]
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  • VirtTipsAndTricksSPARQL11Assign
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  • 2017-06-13T05:41:15Z
  • 2017-06-13T05:41:15Z
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