?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K.&rft.aulast=Khan&rft.au=Khan%2C+K.&rft.issue=7&rft.volume=4&rft.issn=20407459&rft.pages=833-839&rft.atitle=Identifying+product+features+from+customer+reviews+using+lexical+concordance&rft.title=Research+Journal+of+Applied+Sciences%2C+Engineering+and+Technology&rft.date=2012&rft.genre=article