I'm puzzled by getting different results for a query against
http://dbpedia.org/sparql sent from Virtuoso query editor (
http://dbpedia.org/sparql) or from yasgui (http://yasgui.org/) or a Python
program.
PREFIX dbo: <http://dbpedia.org/ontology/>
SELECT * WHERE {?S dbo:wikiPageWikiLink ?O}
LIMIT 10
Sending it via the first produces no answers but via yasgui or an http
request produces many. Moreover, the query
PREFIX dbr: <http://dbpedia.org/resource/>
PREFIX dbo: <http://dbpedia.org/ontology/>
SELECT * WHERE {dbr:Alan_Turing dbo:wikiPageWikiLink ?P.
?P a dbo:Person}
via yasgui or http includes links that I cannot find on Wikipedia and seem
implausible (e.g., to Walt_Whitman). I do find those links in the EN Page
Links file.
I'm guessing that the Page Link data is bad and is being suppressed by the
native Virtuoso query interface.
Tim
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