%0 Conference Proceedings %T An I-vector Based Approach to Compact Multi-Granularity Topic Spaces Representation of Textual Documents %A Morchid, Mohamed %A Bouallegue, Mohamed %A Dufour, Richard %A Linarès, Georges %A Matrouf, Driss %A de Mori, Renato %Y Moschitti, Alessandro %Y Pang, Bo %Y Daelemans, Walter %S Proceedings of the 2014 Conference on Empirical Methods in Natural Language Processing (EMNLP) %D 2014 %8 October %I Association for Computational Linguistics %C Doha, Qatar %F morchid-etal-2014-vector %R 10.3115/v1/D14-1051 %U https://aclanthology.org/D14-1051 %U https://doi.org/10.3115/v1/D14-1051 %P 443-454