?url_ver=Z39.88-2004&rft_id=doi%3A10.1145%2F2516633.2516634&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Nguyen%2C+Cam+Tu&rft.aulast=Nguyen&rft.aufirst=Cam+Tu&rft.issue=3&rft.volume=7&rft.date=2013&rft.issn=1559-1131&rft.atitle=A+feature-word-topic+model+for+image+annotation+and+retrieval&rft.title=ACM+Transactions+on+the+Web&rft.pages=1-24&rft.genre=article