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Joseph Le Roux

5 accepted papers

2025

Bregman Conditional Random Fields: Sequence Labeling with Parallelizable Inference Algorithms

ACL 2025long

We propose a novel discriminative model for sequence labeling called Bregman conditional random fields (BCRF).Contrary to standard linear-chain conditional random fields,BCRF allows fast parallelizable inference algorithms based on iterative Bregman projections.We show how such models can be learned…

2025

Scaling Graph-Based Dependency Parsing with Arc Vectorization and Attention-Based Refinement

NAACL 2025short

We propose a novel architecture for graph-based dependency parsing that explicitly constructs vectors, from which both arcs and labels are scored. Our method addresses key limitations of the standard two-pipeline approach by unifying arc scoring and labeling into a single network, reducing scalabili…

2024

Predicting Lagrangian Multipliers for Mixed Integer Linear Programs

ICML 2024poster

Lagrangian Relaxation stands among the most efficient approaches for solving Mixed Integer Linear Programs (MILPs) with difficult constraints. Given any duals for these constraints, called Lagrangian Multipliers (LMs), it returns a bound on the optimal value of the MILP, and Lagrangian methods seek…

Cited by 4SourcePDFScholar
2022

Exploiting Inductive Bias in Transformers for Unsupervised Disentanglement of Syntax and Semantics with VAEs

NAACL 2022long

We propose a generative model for text generation, which exhibits disentangled latent representations of syntax and semantics. Contrary to previous work, this model does not need syntactic information such as constituency parses, or semantic information such as paraphrase pairs. Our model relies sol…

2020

Multitask Easy-First Dependency Parsing: Exploiting Complementarities of Different Dependency Representations

COLING 2020main

In this paper we present a parsing model for projective dependency trees which takes advantage of the existence of complementary dependency annotations which is the case in Arabic, with the availability of CATiB and UD treebanks. Our system performs syntactic parsing according to both annotation typ…