A Semi-supervised Approach for Generating a Table-of-Contents Viet Cuong Nguyen author Le Minh Nguyen author Akira Shimazu author 2009-09 text Proceedings of the International Conference RANLP-2009 Galia Angelova editor Ruslan Mitkov editor Association for Computational Linguistics Borovets, Bulgaria conference publication nguyen-etal-2009-semi https://aclanthology.org/R09-1057/ 2009-09 312 317