?url_ver=Z39.88-2004&rft_id=10.1109%2FITSIM.2010.5561635&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Hassan%2C+M.I.&rft.aufirst=M.I.&rft.aulast=Hassan&rft.isbn=9781424467181&rft.title=Semantic-based+grid+resource+discovery+systems%3A+A+literature+review+and+taxonomy&rft.date=2010&rft.genre=proceeding