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2013-09-20T15:07:36.740
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<p>It's now a few years later and the <a href="http://www.w3.org/TR/sparql11-query/" rel="nofollow noreferrer">SPARQL 1.1 Query Language</a> has been published. It includes many more built-in functions than the original SPARQL query language. In addition to lots of functions on strings, RDF terms, &c., there are a number of numeric functions (the section numbers indicate the section in the linked standard):</p> <blockquote> <ul> <li>17.4.4 <a href="http://www.w3.org/TR/sparql11-query/#func-numerics" rel="nofollow noreferrer">Functions on Numerics</a> <ul> <li>17.4.4.1 <a href="http://www.w3.org/TR/sparql11-query/#func-abs" rel="nofollow noreferrer">abs</a></li> <li>17.4.4.2 <a href="http://www.w3.org/TR/sparql11-query/#func-round" rel="nofollow noreferrer">round</a></li> <li>17.4.4.3 <a href="http://www.w3.org/TR/sparql11-query/#func-ceil" rel="nofollow noreferrer">ceil</a></li> <li>17.4.4.4 <a href="http://www.w3.org/TR/sparql11-query/#func-floor" rel="nofollow noreferrer">floor</a></li> <li>17.4.4.5 <a href="http://www.w3.org/TR/sparql11-query/#idp2130040" rel="nofollow noreferrer">RAND</a></li> </ul></li> </ul> </blockquote> <p>There's still no <code>square</code> function here, and the quickest way to implement that will be using <code>*</code>, so <a href="https://stackoverflow.com/a/1404420/1281433">laalto's answer</a> still stands. The operators that SPARQL supports are described in <a href="http://www.w3.org/TR/sparql11-query/#OperatorMapping" rel="nofollow noreferrer">17.3 Operator Mapping</a>, and for XPath arithmetic is still just the set of <code>+</code>, <code>-</code>, <code>*</code>, and <code>/</code>.</p>
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1. POPower (exponentiation) and other math function support in SPARQL
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1. USJoshua Taylor
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1. POPower (exponentiation) and other math function support in SPARQL
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1. COThanks for the update :)
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  USBjarke Freund-Hansen

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