Re: [Virtuoso-users] SPARQL compare strings

Hi Ivan, Here is a dataset: http://www.mediafire.com/?drtwizwozq5 Here are sample queries to compare: prefix geo: prefix geonames: SELECT DISTINCT ?cityName FROM WHERE { ?city

Re: [Virtuoso-users] SPARQL compare strings

Hello Alexander, What is the complete text of the query and what are the data in question? Additionally, what is exact server version? The case is quite strange because "by default" these two should result in identical fragments of SQL. Best Regards, Ivan Mikhailov OpenLink Software http://virtu

Re: [Virtuoso-users] SPARQL compare strings

I forgot to notice that first query doesn't work. 2010/4/23 Alexander Sidorov > Hello! > > Should these queries: > > WHERE > { > ?s " > http://www.geonames.org/ontology#P"; . > } > > WHERE > { > ?s ?f

[Virtuoso-users] SPARQL compare strings

Hello! Should these queries: WHERE { ?s " http://www.geonames.org/ontology#P"; . } WHERE { ?s ?featureClass . FILTER (?featureClass = "http://www.geonames.org/ontology#P";) } be equivalent? Yes, I k

Re: [Virtuoso-users] Which indexes could help to improve query performance.

Hi Mitko, alright, I did the same with sparql select count(?conflict) where { ?conflict a ; ?p . ?p rdfs:subPropertyOf rdf:type ; ?dateBegin . }; I also attached the plan