Fabrice Lefèvre

Bassam Jabaian, Laurent Besacier, Fabrice Lefevre: Comparison and Combination of Lightly Supervised Approaches for Language Portability of a Spoken Language Understanding System. IEEE Transactions on Audio, Speech & Language Processing 21(3): 636-648 (2013)

Senthilkumar Chandramohan, Matthieu Geist, Fabrice Lefèvre, Olivier Pietquin: Behavior Specific User Simulation in Spoken Dialogue Systems. ITG Conference on Speech Communication 2012: 1-4

Senthilkumar Chandramohan, Matthieu Geist, Fabrice Lefèvre, Olivier Pietquin: Clustering behaviors of Spoken Dialogue Systems users. ICASSP 2012: 4981-4984

Bassam Jabaian, Fabrice Lefèvre, Laurent Besacier: Portability of Semantic Annotations for Fast Development of Dialogue Corpora. INTERSPEECH 2012

Fabrice Lefèvre, Djamel Mostefa, Laurent Besacier, Yannick Estève, Matthieu Quignard, Nathalie Camelin, Benoît Favre, Bassam Jabaian, Lina Maria Rojas-Barahona: Leveraging study of robustness and portability of spoken language understanding systems across languages and domains: the PORTMEDIA corpora. LREC 2012: 1436-1442

Stefan Hahn, Marco Dinarelli, Christian Raymond, Fabrice Lefevre, Patrick Lehnen, Renato de Mori, Alessandro Moschitti, Hermann Ney, Giuseppe Riccardi: Comparing Stochastic Approaches to Spoken Language Understanding in Multiple Languages. IEEE Transactions on Audio, Speech & Language Processing 19(6): 1569-1583 (2011)

Nathalie Camelin, Boris Detienne, Stéphane Huet, Dominique Quadri, Fabrice Lefevre: Concept Discovery for Language Understanding in an Information-query Dialogue System. KDIR 2011: 24-29

Bassam Jabaian, Laurent Besacier, Fabrice Lefevre: Combination of stochastic understanding and machine translation systems for language portability of dialogue systems. ICASSP 2011: 5612-5615

Senthilkumar Chandramohan, Matthieu Geist, Fabrice Lefèvre, Olivier Pietquin: User Simulation in Dialogue Systems Using Inverse Reinforcement Learning. INTERSPEECH 2011: 1025-1028

Florian Pinault, Fabrice Lefèvre: Semantic Graph Clustering for POMDP-Based Spoken Dialog Systems. INTERSPEECH 2011: 1321-1324

Marie-Jean Meurs, Fabrice Lefèvre, Renato de Mori: Approche bayésienne de la composition sémantique dans les systèmes de dialogue oral. Ingénierie des Systèmes d'Information 15(2): 49-71 (2010)

Fabrice Lefèvre, François Mairesse, Steve Young: Cross-lingual spoken language understanding from unaligned data using discriminative classification models and machine translation. INTERSPEECH 2010: 78-81

Bassam Jabaian, Laurent Besacier, Fabrice Lefèvre: Investigating multiple approaches for SLU portability to a new language. INTERSPEECH 2010: 2502-2505

Milica Gasic, Fabrice Lefèvre, Filip Jurcícek, Simon Keizer, François Mairesse, Blaise Thomson, Kai Yu, Steve Young: Back-off action selection in summary space-based POMDP dialogue systems. ASRU 2009: 456-461

Marie-Jean Meurs, Fabrice Lefevre, Renato de Mori: Spoken language interpretation: On the use of dynamic Bayesian networks for semantic composition. ICASSP 2009: 4773-4776

Florian Pinault, Fabrice Lefèvre, Renato de Mori: Feature-based summary space for stochastic dialogue modeling with hierarchical semantic frames. INTERSPEECH 2009: 284-287

Marie-Jean Meurs, Fabrice Lefèvre, Renato de Mori: Learning Bayesian Networks for Semantic Frame Composition in a Spoken Dialog System. HLT-NAACL (Short Papers) 2009: 61-64

Fabrice Lefèvre, Milica Gasic, Filip Jurcícek, Simon Keizer, François Mairesse, Blaise Thomson, Kai Yu, Steve Young: k-Nearest Neighbor Monte-Carlo Control Algorithm for POMDP-Based Dialogue Systems. SIGDIAL Conference 2009: 272-275

Frédéric Duvert, Marie-Jean Meurs, Christophe Servan, Frédéric Béchet, Fabrice Lefevre, Renato de Mori: Semantic composition process in a speech understanding system. ICASSP 2008: 5029-5032

Marie-Jean Meurs, Fabrice Lefevre, Renato de Mori: A Bayesian approach to semantic composition for spoken language interpretation. INTERSPEECH 2008: 1161-1164

Marie-Jean Meurs, Frédéric Duvert, Frédéric Béchet, Fabrice Lefevre, Renato de Mori: Semantic Frame Annotation on the French MEDIA corpus. LREC 2008

Fabrice Lefèvre, Renato de Mori: Unsupervised state clustering for stochastic dialog management. ASRU 2007: 550-555

Spyridon Matsoukas, Jean-Luc Gauvain, Gilles Adda, Thomas Colthurst, Chia-Lin Kao, Owen Kimball, Lori Lamel, Fabrice Lefevre, Jeff Z. Ma, John Makhoul, Long Nguyen, Rohit Prasad, Richard M. Schwartz, Holger Schwenk, Bing Xiang: Advances in transcription of broadcast news and conversational telephone speech within the combined EARS BBN/LIMSI system. IEEE Transactions on Audio, Speech & Language Processing 14(5): 1541-1556 (2006)

Fabrice Lefevre: A DBN-Based Multi-Level Stochastic spoken Language Understanding System. SLT 2006: 78-81

Fabrice Lefevre, Jean-Luc Gauvain, Lori Lamel: Genericity and portability for task-independent speech recognition. Computer Speech & Language 19(3): 345-363 (2005)

Rohit Prasad, Spyros Matsoukas, Chia-Lin Kao, Jeff Z. Ma, D.-X. Xu, Thomas Colthurst, Owen Kimball, Richard M. Schwartz, Jean-Luc Gauvain, Lori Lamel, Holger Schwenk, Gilles Adda, Fabrice Lefèvre: The 2004 BBN/LIMSI 20xRT English conversational telephone speech recognition system. INTERSPEECH 2005: 1645-1648

Fabrice Lefevre: Non-parametric probability estimation for HMM-based automatic speech recognition. Computer Speech & Language 17(2-3): 113-136 (2003)

Fabrice Lefevre, Jean-Luc Gauvain, Lori Lamel: Multi-source training and adaptation for generic speech recognition. INTERSPEECH 2003

Fabrice Lefevre, Jean-Luc Gauvain, Lori Lamel: Improving genericity for task-independent speech recognition. INTERSPEECH 2001: 1241-1244

Fabrice Lefèvre: Confidence measures based on the k-nn probability estimator. INTERSPEECH 2000: 195-197

Fabrice Lefèvre, Claude Montacié, Marie-José Caraty: A MLE algorithm for the k-NN HMM system. EUROSPEECH 1999

Fabrice Lefèvre, Claude Montacié, Marie-José Caraty: On the influence of the delta coefficients in a HMM-based speech recognition system. ICSLP 1998

Marie-José Caraty, Claude Montacié, Fabrice Lefèvre: Dynamic lexicon for a very large vocabulary vocal dictation. EUROSPEECH 1997

Claude Montacié, Marie-José Caraty, Fabrice Lefèvre: K-NN versus Gaussian in HMM-based recognition system. EUROSPEECH 1997