On 12/12/12 4:15 PM, Barry Norton wrote:
Ying, this might sound like a stupid question, but if you want SQL features why not pull your CSV into a relational DB table then R2RML it into RDF (since mappings will allow you arbitrary SQL)?
+1 Links: 1. http://www.w3.org/TR/r2rml/ 2. http://www.w3.org/2001/sw/rdb2rdf/wiki/Implementations . Kingsley
Barry On 12/12/2012 21:08, Ying Ding wrote:Hi,I am looking for a open source software to convert csv file to RDF based on one pre-defined ontology. Also, this converter should support complicated SQL queries (e.g., Group BY query and IF/THEN/ELSE query) while defining the mapping between csv to our pre-defined ontology.thanks ying
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