?url_ver=Z39.88-2004&rft_id=10.1109%2FUKSIM.2010.112&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Ahmad&rft.au=Ahmad%2C+I.&rft.aufirst=I.&rft.title=Comparative+analysis+of+intrusion+detection+approaches&rft.date=2010&rft.isbn=9780769540160&rft.genre=proceeding