An I-vector Based Approach to Compact Multi-Granularity Topic Spaces Representation of Textual Documents Mohamed Morchid author Mohamed Bouallegue author Richard Dufour author Georges Linarès author Driss Matrouf author Renato de Mori author 2014-10 text Proceedings of the 2014 Conference on Empirical Methods in Natural Language Processing (EMNLP) Alessandro Moschitti editor Bo Pang editor Walter Daelemans editor Association for Computational Linguistics Doha, Qatar conference publication morchid-etal-2014-vector 10.3115/v1/D14-1051 https://aclanthology.org/D14-1051/ 2014-10 443 454