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Weilin Luo

10 accepted papers

2026

Large Language Models Struggle with Unreasonability in Math Problems

AAAI 2026technical

Large Language Models (LLMs) have shown remarkable success on a wide range of math and reasoning benchmarks. However, we observe that they often struggle when faced with unreasonable math problems. Instead of recognizing these issues, models frequently proceed as if the problem is well-posed, produc

Cited by 0SourcePDFScholar
2026

RICo: Refined In-Context Contribution for Automatic Instruction-Tuning Data Selection

AAAI 2026technical

Data selection for instruction tuning is crucial for improving the performance of large language models (LLMs) while reducing training costs. In this paper, we propose Refined Contribution Measurement with In-Context Learning (RICo), a novel gradient-free method that quantifies the fine-grained cont

Cited by 0SourcePDFScholar
2025

Dynamic Configuration for Cutting Plane Separators via Reinforcement Learning on Incremental Graph

NeurIPS 2025poster

Cutting planes (cuts) are essential for solving mixed-integer linear programming (MILP) problems, as they tighten the feasible solution space and accelerate the solving process. Modern MILP solvers offer diverse cutting plane separators to generate cuts, enabling users to leverage their potential co…

Cited by 0SourceScholar
2024

End-to-End Learning of LTLf Formulae by Faithful LTLf Encoding

AAAI 2024technical

It is important to automatically discover the underlying tree-structured formulae from large amounts of data. In this paper, we examine learning linear temporal logic on finite traces (LTLf) formulae, which is a tree structure syntactically and characterizes temporal properties semantically. Its cor…

2024

L2P-MIP: Learning to Presolve for Mixed Integer Programming

ICLR 2024poster

Modern solvers for solving mixed integer programming (MIP) often rely on the branch-and-bound (B&B) algorithm which could be of high time complexity, and presolving techniques are well designed to simplify the instance as pre-processing before B&B. However, such presolvers in existing literature or…

Cited by 6SourcePDFScholar
2023

A Noise-Tolerant Differentiable Learning Approach for Single Occurrence Regular Expression with Interleaving

AAAI 2023technical

We study the problem of learning a single occurrence regular expression with interleaving (SOIRE) from a set of text strings possibly with noise. SOIRE fully supports interleaving and covers a large portion of regular expressions used in practice. Learning SOIREs is challenging because it requires h…

Cited by 2SourcePDFScholar
2022

Bridging LTLf Inference to GNN Inference for Learning LTLf Formulae

AAAI 2022technical

Learning linear temporal logic on finite traces (LTLf) formulae aims to learn a target formula that characterizes the high-level behavior of a system from observation traces in planning. Existing approaches to learning LTLf formulae, however, can hardly learn accurate LTLf formulae from noisy data.…

2022

Improving Local Search Algorithms via Probabilistic Configuration Checking

AAAI 2022technical

Configuration checking (CC) has been confirmed to alleviate the cycling problem in local search for combinatorial optimization problems (COPs). When using CC heuristics in local search for graph problems, a critical concept is the configuration of the vertices. All existing CC variants employ either…

Cited by 3SourcePDFScholar
2022

Teaching LTLf Satisfiability Checking to Neural Networks

IJCAI 2022poster

Linear temporal logic over finite traces (LTLf) satisfiability checking is a fundamental and hard (PSPACE-complete) problem in the artificial intelligence community. We explore teaching end-to-end neural networks to check satisfiability in polynomial time. It is a challenge to characterize the synta…

2021

A DQN-based Approach to Finding Precise Evidences for Fact Verification

ACL 2021long

Computing precise evidences, namely minimal sets of sentences that support or refute a given claim, rather than larger evidences is crucial in fact verification (FV), since larger evidences may contain conflicting pieces some of which support the claim while the other refute, thereby misleading FV.…