My two cents for Virtuoso 07.20.3214 This query does not work
################################################### SELECT distinct ?class {GRAPH <http://dbpedia.org> { ?class rdfs:subClassOf* ?superclass. FILTER (?superclass= <http://dbpedia.org/ontology/Actor>) }} ################################################### but this query works (just changing the position of the graphname using a different syntax) ################################################### SELECT distinct ?class FROM <http://dbpedia.org> { ?class rdfs:subClassOf* ?superclass. FILTER (?superclass= <http://dbpedia.org/ontology/Actor>) } ################################################### On Tue, Sep 1, 2015 at 2:29 PM, Jerven Tjalling Bolleman <jerven.bolle...@isb-sib.ch> wrote: > The Virtuoso 37000 Error TR...: transitive start not given, > is fixed in a later release. > > In the meantime you can use this work around. > > SELECT ?superclass {GRAPH <http://dbpedia.org> { > ?class rdfs:subClassOf [] . > [] rdfs:subClassOf ?superclass . > ?class rdfs:subClassOf* ?superclass. > FILTER (?class = <http://dbpedia.org/ontology/Actor>) > }} > > Regards, > Jerven > > On 2015-09-01 14:15, Adam Sanchez wrote: >> Hello, >> >> I do not understand why two SPARQL queries work in Virtuoso 06.01.3127 >> but not in Virtuoso 07.20.3214. May you help me? >> >> These are the equivalent queries launched against a Dbpedia dataset. >> >> ################################################### >> >> SELECT ?superclass {GRAPH <http://dbpedia.org> { >> ?class rdfs:subClassOf* ?superclass. >> FILTER (?class = <http://dbpedia.org/ontology/Actor>) >> }} >> >> ################################################### >> >> SELECT ?superclass {GRAPH <http://dbpedia.org> { >> ?class rdfs:subClassOf ?superclass OPTION (TRANSITIVE, >> T_DISTINCT,T_NO_CYCLES, T_MIN(0)). >> FILTER (?class = <http://dbpedia.org/ontology/Actor>) >> }} >> >> ################################################### >> >> The error message I got for Virtuoso 07.20.3214 was >> >> Virtuoso 37000 Error TR...: transitive start not given >> >> SPARQL query: >> define sql:big-data-const 0 >> #output-format:text/html >> define sql:signal-void-variables 1 SELECT ?superclass {GRAPH >> <http://dbpedia.org> { >> ?class rdfs:subClassOf ?superclass OPTION (TRANSITIVE, >> T_DISTINCT,T_NO_CYCLES, T_MIN(0)). >> FILTER (?class = <http://dbpedia.org/ontology/Actor>) >> }} >> >> Thanks in advance. >> >> Regards, >> >> Adam >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> Virtuoso-users mailing list >> Virtuoso-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/virtuoso-users > > -- > Jerven Tjalling Bolleman > SIB | Swiss Institute of Bioinformatics > CMU - 1, rue Michel Servet - 1211 Geneva 4 > t: +41 22 379 58 85 - f: +41 22 379 58 58 > jerven.bolle...@isb-sib.ch - http://www.isb-sib.ch > > > > ------------------------------------------------------------------------------ > _______________________________________________ > Virtuoso-users mailing list > Virtuoso-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/virtuoso-users ------------------------------------------------------------------------------ _______________________________________________ Virtuoso-users mailing list Virtuoso-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/virtuoso-users