?url_ver=Z39.88-2004&rft_id=10.1109%2FICIAS.2007.4658346&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Widodo&rft.au=Widodo%2C+B.Y.&rft.aufirst=B.Y.&rft.title=Mining+sequence+of+event+from+vector-based+spatiotemporal+database&rft.date=2007&rft.isbn=1424413559%3B+9781424413553&rft.genre=proceeding