Reconstructing a conversion into an RDFa table

PREFIX conversion: <http://purl.org/twc/vocab/conversion/>
PREFIX ov:         <http://open.vocab.org/terms/>

SELECT ?row ?col ?s ?p ?o
WHERE {
  GRAPH <http://logd.tw.rpi.edu/source/epa-gov-mcmahon-ethan/dataset/environmental-reports/version/2011-Jan-12>  {
    ?s ov:csvRow ?row; ?p ?o .
    ?p ov:csvCol ?col .
    filter(?row > 0 and ?row < 50)
  }
} ORDER BY ?row ?col ?s ?p ?o