?url_ver=Z39.88-2004&rft_id=10.1109%2FICOS.2010.5720073&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=A.M.&rft.au=Esa%2C+A.M.&rft.aulast=Esa&rft.date=2010&rft.title=Prototype+of+semantic+search+engine+using+ontology&rft.isbn=9781424491926&rft.genre=proceeding