You can also pull your CSV into a spreadsheet and work with NOR2O [1]
Moreover, you can find a more complete list here [2]

Boris

[1] http://oeg-dev.dia.fi.upm.es/nor2o/
[2] http://www.w3.org/wiki/ConverterToRdf

On 12/12/2012 22:52, Sergio Fernández wrote:
also OpenRefine (formerly Google Refine): http://github.com/OpenRefine/OpenRefine/wiki

 On 12.12.2012 22:47, Sergio Fernández wrote:
in case you are actually asking about CSV files (sorry, but what you
said about SQL queries confuses me), you should take a look to Tabels,
by CTIC: http://idi.fundacionctic.org/tabels


On 12.12.2012 22:08, 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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