[ 1] Gudivada V N, Raghavan V V, Grosky, W I, et al . Infromation retrieval on the World Wide Web [ J] . IEEE Internet Computing, 1997, 1( 5) : 58~ 68.
[ 2] Jung G S, Gudivada V N. Autonomous tools for information discovery in the world-wide web[ D] . School of Electrical Engineering and Computer Science, Ohio University, Athens, OH, 1995.
[ 3] D Zhong, Zhang H J, Chang S F. Clustering methods for video browsing and annotation[ D] . In Symposium on Electronic Imaging: Science and Technology- Storage & Retrieval for Image and Video Databases IV, volume 2670, San Jose, CA, February 1996. IS&T/ SPIE.
[ 4] Guglielmo E J, Rowe N C. Natura-l language retrieval of images based on descriptive captions[ J] . ACM Trans Info Systems, 1996, 14: 237~ 267.
[ 5] Smith J R, Chang S F. Querying by color regions using the VisualSEEk conten-t based visual query system[ A] . Maybury M T. Intelligent Multimedia Information Retrieval[ C] . IJCAI, 1996.
[ 6] Rocchio Jr J J. Relevance feedback in information retrieval: Gerard Salton[ A] . The SMART Retrieval System: Experiments in Automatic Document Processing [ C ] , New Jersey: Prentice-Hall, Englewood Cli- s, 1971. 313~ 323.
[ 7] Guglielmo E J, Rowe N C. Natural- language retrieval of images based on descriptive captions[ J] . ACM Trans Info Systems, 1996114: 237 ~ 267.