On 3/11/13 9:20 AM, Benjamin Großmann wrote:
Meanwhile your query works using this clunky statement:optional {?S dbpo:numberOfUndergraduateStudents ?ANY} filter (!bound(?ANY)) Benjamin
Yes, but Tim's effort is bound to standard SPARQL and I want to keep it that way :-)
We are fixing this regression.Note, that you don't have this problem on: http://live.dbpedia.org/sparql , which runs an older Virtuoso release.
Kingsley
Am 09.03.2013, 21:25 Uhr, schrieb Kingsley Idehen <kide...@openlinksw.com>:On 3/9/13 2:28 PM, Tim Finin wrote:http://dbpedia.org/sparql gives me a SP031 error for a query that seems stems from my use of FILTER NOT EXISTS. But this query worked a when I last ran it about 38 hours ago. Below is the error message I get, which also shows the query. Has the server software changed? -- Tim Finin, Computer Science & Electrical Eng., U. of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore MD 21250. http://umbc.edu/~finin/ fi...@umbc.edu skype:timFinin o:4104553522 fax:4104553969 mob:4104993522 -- Virtuoso 37000 Error SP031: SPARQL compiler: Internal error: sparp_find_origin_of_external_var(): external source equiv is found, external source var is not SPARQL query: define sql:big-data-const 0 #output-format:text/html define sql:signal-void-variables 1 define input:default-graph-uri <http://dbpedia.org> PREFIX dbpr: <http://dbpedia.org/resource/> PREFIX dbpo: <http://dbpedia.org/ontology/> select distinct ?S ?NG where { ?S a dbpo:University. {?S dbpo:country dbpr:United_States} UNION {?S dbpprop:country dbpr:United_States} ?S dbpo:numberOfPostgraduateStudents ?NG . FILTER NOT EXISTS {?S dbpo:numberOfUndergraduateStudents ?ANY} }Tim, Well spotted, there's regression in the new Virtuoso binary behind the SPARQL endpoint. We'll get it fixed pronto!
-- Regards, Kingsley Idehen Founder & CEO OpenLink Software Company Web: http://www.openlinksw.com Personal Weblog: http://www.openlinksw.com/blog/~kidehen Twitter/Identi.ca handle: @kidehen Google+ Profile: https://plus.google.com/112399767740508618350/about LinkedIn Profile: http://www.linkedin.com/in/kidehen
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