HAL-Based Cascaded Model for Variable-Length Semantic Pattern Induction from Psychiatry Web Resources Liang-Chih Yu author Chung-Hsien Wu author Fong-Lin Jang author 2006-07 text Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions Association for Computational Linguistics Sydney, Australia conference publication yu-etal-2006-hal https://aclanthology.org/P06-2121/ 2006-07 945 952