Taekyong Lee Lei Sheng Tolga Bozkaya Nevzat Hurkan Balkir Z. Meral Özsoyoglu Gultekin Özsoyoglu Querying Multimedia Presentations Based on Content. 361-385 1999 11 IEEE Trans. Knowl. Data Eng. 3 http://doi.ieeecomputersociety.org/10.1109/69.774099 db/journals/tkde/tkde11.html#LeeSBBOO99