?url_ver=Z39.88-2004&rft_id=10.1109%2FICCTD.2009.227&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Sari&rft.au=Sari%2C+Y.&rft.aufirst=Y.&rft.date=2009&rft.isbn=9780769538921&rft.title=Creating+extraction+pattern+by+combining+part+of+speech+tagger+and+grammatical+parser&rft.genre=proceeding