Thanks, spif:cast and of course STRDT are very useful! Never used these. The alternative being the more verbose [1]. Thanks again, -j
[1] #DATA :FRA a skos Concept; skos:notation “fre”^^euvoc:ISO_639_2B . #QUERY SELECT * WHERE { BIND ( "fre"^^xsd:string AS ?incoming ) ?c a skos:Concept . ?c skos:notation ?n BIND ( xsd:string(?n) AS ?n_as_string ) FILTER ( ?incoming = ?n_as_string ) } From: topbraid-users@googlegroups.com <topbraid-users@googlegroups.com> On Behalf Of Irene Polikoff Sent: 10 April 2020 03:03 To: topbraid-users@googlegroups.com Subject: Re: [topbraid-users] custom datatypes and SPARQL Thanks, I did not think about spif:cast. Yes, this is exactly what I meant in my ex:customDatatypeValue. On Apr 9, 2020, at 8:44 PM, Holger Knublauch <hol...@topquadrant.com<mailto:hol...@topquadrant.com>> wrote: Probably like BIND (spif:cast("42", rdf:dummyDatatype) AS ?x) Holger #3 BIND ( euvoc:ISO_639_2B("fre") AS ?n ) I could think of may be a function that would accept a value and a custom datatype as parameters - something like BIND ( ex:customDatatypeValue (“fre”, euvoc:ISO_639_2B) AS ?n). -- You received this message because you are subscribed to the Google Groups "TopBraid Suite Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to topbraid-users+unsubscr...@googlegroups.com<mailto:topbraid-users+unsubscr...@googlegroups.com>. To view this discussion on the web visit https://groups.google.com/d/msgid/topbraid-users/17D27120-E7A5-4F6A-BB40-B6E01E2D69DA%40topquadrant.com<https://groups.google.com/d/msgid/topbraid-users/17D27120-E7A5-4F6A-BB40-B6E01E2D69DA%40topquadrant.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "TopBraid Suite Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to topbraid-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/topbraid-users/AM0PR03MB3745A2C3B1F6B765BB9D9D77E9DA0%40AM0PR03MB3745.eurprd03.prod.outlook.com.