Joseph Le Roux

Conferences and Workshops

• Scaling Graph-Based Dependency Parsing with Arc Vectorization and Attention-Based Refinement Nicolas Floquet, Joseph Le Roux, Nadi Tomeh, Thierry Charnois, NAACL 2025 (pdf)
• Predicting Lagrangian Multipliers for Mixed Integer Linear Programs Francesco Demelas, Joseph Le Roux, Mathieu Lacroix, Axel Parmentier, ICML 2024 (pdf)
• Attention sur les spans pour l’analyse syntaxique en constituants Nicolas Floquet, Nadi Tomeh, Joseph Le Roux, Thierry Charnois, TALN 2023 (pdf)
• Higher-Order Dependency Parsing for Arc-Polynomial Score Functions via Gradient-Based Methods and Genetic Algorithm Xudong Zhang, Joseph Le Roux, Thierry Charnois, AACL 2022 (pdf)
• Exploiting Inductive Bias in Transformers for Unsupervised Disentanglement of Syntax and Semantics with VAEs Ghazi Felhi, Joseph Le Roux, Djamé Seddah NAACL 2022 (pdf)
• Strength in Numbers: Averaging and Clustering Effects in Mixture of Experts for Graph-Based Dependency Parsing Xudong Zhang, Joseph Le Roux, Thierry Charnois, IWPT 2021 (pdf)
• Challenging the Semi-Supervised VAE Framework for Text Classification Ghazi Felhi, Joseph Le Roux, Djamé Seddah, INSIGHTS 2021 (pdf)
• Multitask Easy-First Dependency Parsing: Exploiting Complementarities of Different Dependency Representations Yash Kankanampati, Joseph Le Roux, Nadi Tomeh, Dima Taji, Nizar Habash, COLING 2020 (pdf)
• Representation Learning and Dynamic Programming for Arc-Hybrid Parsing Joseph Le Roux, Antoine Rozenknop, Mathieu Lacroix, CoNLL 2019 (pdf)
• Efficient Discontinuous Phrase-Structure Parsing via the Generalized Maximum Spanning Arborescence Caio Corro, Joseph Le Roux, Mathieu Lacroix, EMNLP 2017 (pdf)
• Transforming Dependency Structures to LTAG Derivation Trees Caio Corro, Joseph Le Roux, TAG+13 2017 (pdf)
• Dependency Parsing with Bounded Block Degree and Well-nestedness via Lagrangian Relaxation and Branch-and-Bound Caio Corro, Joseph Le Roux, Mathieu Lacroix, Antoine Rozenknop, Roberto Wolfler Calvo, ACL 2026 (pdf)
• Deep Lexical Segmentation and Syntactic Parsing in the Easy-First Dependency Framework Matthieu Constant, Joseph Le Roux, Nadi Tomeh, NAACL 2016 (pdf)
• Dependency Representations for Lexical Segmentation Matthieu Constant, Joseph Le Roux, SPMRL 2015 (pdf)
• Foreebank: Syntactic Analysis of Customer Support Forums Rasoul Kaljahi, Jennifer Foster, Johann Roturier, Corentin Ribeyre, Teresa Lynn, Joseph Le Roux, EMNLP 2015 (pdf)
• Syntactic Parsing and Compound Recognition via Dual Decomposition: Application to French Joseph Le Roux, Antoine Rozenknop and Matthieu Constant, COLING 2014 (pdf)
• LIPN-CORE: Semantic Text Similarity using n-grams, WordNet, Syntactic Analysis, ESA and Information Retrieval based Features Davide Buscaldi,Joseph Le Roux, Jorge Garcia-Flores and Adrian Popescu, (*SEM) 2013 (pdf)
• Combining PCFG-LA Models with Dual Decomposition: A Case Study with Function Labels and Binarization Joseph Le Roux, Antoine Rozenknop and Jennifer Foster, EMNLP 2013 (pdf)
• Semi-supervised Dependency Parsing using Lexical Affinities Seyed Abolghasem Mirroshandel, Alexis Nasr and Joseph Le Roux, ACL 2012 (pdf)
• Towards Using Data Driven Lemmatization for Statistical Constituent Parsing of Italian Djame Seddah, Joseph Le Roux and Benoit Sagot, EVALITA 2012 (pdf)
• Statistical Parsing of Spanish and Data Driven Lemmatization Joseph Le Roux, Benoit Sagot and Djame Seddah, SP-SEM-MRL 2012 (pdf)
• Generative Constituent Parsing and Discriminative Dependency Reranking: Experiments on English and French Joseph Le Roux, Benoit Favre, Alexis Nasr and Seyed Abolghasem Mirroshandel, SP-SEM-MRL 2012 (pdf)
• DCU-Paris13 Systems for the SANCL 2012 Shared Task Joseph Le Roux, Jennifer Foster, Joachim Wagner, Rasul Samad Zadeh Kaljahi, Anton Bryl, SANCL Shared Task 2012 (pdf)
• Modeles generatif et discriminant en analyse syntaxique : experiences sur le corpus arbore de Paris 7 Joseph Le Roux, Benoit Favre, Seyed Abolghasem Mirroshandel, Alexis Nasr, TALN 2011 (pdf)
• MACAON An NLP Tool Suite for Processing Word Lattices Alexis Nasr, Frederic Bechet, Jean Francois Rey, Benoit Favre, Joseph Le Roux, ACL 2011 (DEMO) (pdf)
• #hardtoparse: POS Tagging and Parsing the Twitterverse Jennifer Foster , Ozlem Cetinoglu , Joachim Wagner, Joseph Le Roux, Stephen Hogan, Joakim Nivre, Deirdre Hogan, Josef van Genabith, AAAI 2011 Workshop On Analyzing Microtexts (pdf)
• From News to Comment: Resources and Benchmarks for Parsing the Language of Web 2.0 Jennifer Foster, Ozlem Cetinoglu, Joachim Wagner, Joseph Le Roux, Joakim Nivre, Deirdre Hogan and Josef van Genabith, IJCNLP 2011 (pdf)
• Handling Unknown Words in Statistical Latent-Variable Parsing Models for Arabic, English and French Mohammed Attia, Jennifer Foster, Deirdre Hogan, Joseph Le Roux, Lamia Tounsi and Josef van Genabith, SPMRL 2010 (pdf)
• Analyse deductive pour les grammaires d'interaction Joseph Le Roux, TALN 2009 (pdf)
• Deductive Parsing in Interaction Grammars Joseph Le Roux, IWPT 2009 (pdf)
• Calculs d'unification sur les arbres de derivation TAG Sylvain Schmitz, Joseph Le Roux, TALN 2008 (pdf)
• Feature Unification in TAG Derivation Trees Sylvain Schmitz, Joseph Le Roux, TAG+9 2008 (pdf)
• A Toolchain for Grammarians Bruno Guillaume, Joseph Le Roux, Jonathan Marchand, Guy Perrier, Karen Fort and Jennifer Plannul, COLING 2008 (DEMO) (pdf)
• Intersection Optimization is NP-Complete Guillaume Bonfante and Joseph Le Roux, FSMNLP 2007 (pdf)
• A constraint driven metagrammar Joseph Le Roux, Benoit Crabbe, Yannick Parmentier TAG+8 2006 (pdf)
• Lexical disambiguation with polarities and automata Guillaume Bonfante, Joseph Le Roux and Guy Perrier CIAA 2006 (pdf)
• XMG: un compilateur de meta-grammaires extensible Denys Duchier, Joseph Le Roux, Yannick Parmentier, TALN 2005 (pdf)
• XMG: a Multi-formalism Metagrammatical Framework Yannick Parmentier, Joseph Le Roux, ESSLLI 2005 (pdf)
• The Metagrammar Compiler: An NLP Application with a Multi-paradigm Architecture Denys Duchier, Joseph Le Roux, Yannick Parmentier, MOZ 2004 (pdf)

Journals

• XMG : eXtensible MetaGrammar Benoit Crabbé, Denys Duchier, Claire Gardent, Joseph Le Roux, Yannick Parmentier, Computational Linguistics 39, 3 (2013) (pdf)
• Compound Recognition and PCFG-LA Parsing with Word Lattices and Conditional Random Fields Matthieu Constant, Joseph Le Roux, Anthony Sigogne, ACM Transactions on Speech and Language Processing. Special Issue on Multiword Expressions. 10(3). 2013 (pdf)
• Modelisation de la coordination dans les grammaires d'Interaction Joseph Le Roux and Guy Perrier, TAL 47-3 2007 (pdf)

Academia

• HDR Combinations, Scoring Functions, And Beyond: Contributions in Natural Language Parsing (2024)
• Ph.D. Thesis (in French) La coordination dans les grammaires d'interaction (pdf) (2007)

• SemiAmor (ANR CE23-2023-0005) Principal Investigator Lagrangian Methods and Semi-Amortization for NLP

• ParSiTi (ANR-16-CE33-0021) Local Coordinator NLP for Social Media, Microtexts and User-Generated Contents

• Action Editor for the ARR, reviewer for xCL conferences
• Member of the Editorial Board for the TAL journal
• I co-manage the Data Science hub at LIPN
• Former Member of Administrative Board of ATALA
• I co-manage the Optimisation and Learning Group of the MathSTIC Lab Federation.
• I co-manage the Language and Computation strand of LABEX EFL

I manage these reading groups and seminars

• RCLN Reading Group
• ML and Optimization Reading Group
• Markov Random Fields Reading Group
• Data Science Seminar

2024/2025

• Programmation pour l'IA et la robotique
• Introduction aux réseaux de neurones
• TAL et réseaux de neurones
• Modèles génératifs pour le TAL