Topic structure modeling.

@inproceedings{evans-2002-topic, author = {David A. Evans and James G. Shanahan and Victor Sheftel}, editor = {Kalervo J\"{a}rvelin and Micheline Beaulieu and Ricardo Baeza-Yates and Sung-Hyon Myaeng}, title = {{Topic structure modeling}}, booktitle = {{SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland}}, pages = {417--418}, publisher = {ACM}, year = {2002}, url = {https://doi.org/10.1145/564376.564472}, doi = {https://doi.org/10.1145/564376.564472} }