Tarql extractor wraps extended Tarql tool which is suited for extract RDF data from CSV, Excel (xls, xlsx) files using SPARQL query. Tarql extractor config dialog takes only two parameters: SPARQL query and path to file or URL. Path to file or URL parameter can be omitted, when Tarql extractor get a file on DPU file input or when path to file is given directly in SPARQL query.
For guidelines how to use SPARQL query visit github page of extended Tarql tool here