?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Khan&rft.au=Khan%2C+K.&rft.aufirst=K.&rft.title=Kuwait+Journal+of+Science&rft.date=2016&rft.volume=43&rft.issn=23074108&rft.issue=1&rft.pages=129-149&rft.atitle=Pattern+and+semantic+analysis+to+improve+unsupervised+techniques+for+opinion+target+identification&rft.genre=article