?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=S.P.&rft.aulast=Yong&rft.au=Yong%2C+S.P.&rft.issn=20780958&rft.isbn=9789889867140&rft.title=Search+engines+integration+with+hits+redundancies+filtering&rft.date=2007&rft.genre=proceeding