?url_ver=Z39.88-2004&rft_id=doi%3A10.5220%2F0003634400140023&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Nguyen%2C+Cam+Tu&rft.aulast=Nguyen&rft.aufirst=Cam+Tu&rft.date=2011&rft.title=Cascade+of+Multi-level+Multi-instance+Classifiers+for+Image+Annotation&rft.btitle=Proceedings+of+the+International+Conference+on+Knowledge+Discovery+and+Information+Retrieval&rft.genre=proceeding