@inproceedings{ijcai1997p105, title = {An Index Navigator for Understanding and Expressing User's Coherent Interest}, author = {Ohsawa, Yukio and Yachida, Masahiko}, booktitle = {Proceedings of the Fifteenth International Joint Conference on Artificial Intelligence, {IJCAI-97}}, publisher = {International Joint Conferences on Artificial Intelligence}, editor = {Martha E. Pollack}, pages = {722--727}, year = {1997}, note = {Information Retrieval}, url = {https://ijcai.org/proceedings/1997/105}, }