Re: [Dbpedia-discussion] Querying for chemical properties

2010-03-11 Thread Manuel Schölling
> Now the my last issue is the unit of the meltingPoint property/ontology. > If anybody knows if there is a convention about it, please tell me. > And if you know that there is no such convention and one cannot rely on > this information, please tell me as well. Ok, now I know how this works. Ther

Re: [Dbpedia-discussion] Querying for chemical properties

2010-03-11 Thread Roberto Mirizzi
Il 11/03/2010 13:39, "Manuel Schölling" ha scritto: > But that's ok. All I want is that the results "-79" and -79 are merged by the > UNION statement and this is accomplished using FILTER. > Actually FILTER does not merge results, but it drops out results that do no respect the filtering. Fo

Re: [Dbpedia-discussion] Querying for chemical properties

2010-03-11 Thread Manuel Schölling
> SELECT ?meltingPoint > WHERE { > ?s rdfs:label "Nikotin"@de . > { ?s ?meltingPoint } > UNION > { ?s ?meltingPoint } . > FILTER( xsd:decimal($meltingPoint)) > } > > This is valid, but you c

Re: [Dbpedia-discussion] Querying for chemical properties

2010-03-11 Thread Roberto Mirizzi
Il 11/03/2010 11:13, "Manuel Schölling" ha scritto: > for the FILTER statement convert functions are allowed. > See [1] at the end of the paragraph: > ...FILTER ( xsd:dateTime(?date)< xsd:dateTime("2005-01-01T00:00:00Z") )... > Casting is allowed only in FILTERing (using Xpath casting function

Re: [Dbpedia-discussion] Querying for chemical properties

2010-03-11 Thread Manuel Schölling
Hi, > In SPARQL you can not convert a value from a datatype into another one. > SPARQL is a Query Language (the last two letters of the acronym). > If you need to convert values you have to process the results with > another language (e.g. PHP, Java, Javascript, etc.). Are you sure about that? A

Re: [Dbpedia-discussion] DBpedia is down

2010-03-11 Thread Hugh Williams
Hi Pierre, The Dboedia server is back online ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 11 Mar 2010, at 08:12, Pi

[Dbpedia-discussion] DBpedia is down

2010-03-11 Thread Pierre De Wilde
Any DBpedia SPARQL query or page returns: 08C01 Error CL...: Cluster could not connect to host 4 127.0.0.1:3004 error 146 eg http://dbpedia.org/page/Berlin -- Download Intel® Parallel Studio Eval Try the new software tool