activity
20242026
collaborators

7 papers

cs.CL2026

OpenSIR: Open-Ended Self-Improving Reasoner

Wai-Chung Kwan, Joshua Ong Jun Leang, Pavlos Vougiouklis +3

Recent advances in large language model (LLM) reasoning through reinforcement learning rely on annotated datasets for verifiable rewards, which may limit models' ability to surpass…

cs.AI2025

From An LLM Swarm To A PDDL-Empowered HIVE: Planning Self-Executed Instructions In A Multi-Modal Jungle

Kaustubh Vyas, Damien Graux, Yijun Yang +8

In response to the call for agent-based solutions that leverage the ever-increasing capabilities of the deep models' ecosystem, we introduce Hive -- a comprehensive solution for kn…

cs.CL2025

Millions of -s: Extending GraphRAG to Millions of Documents

Zhili Shen, Chenxin Diao, Pascual Merita +2

Recent studies have explored graph-based approaches to retrieval-augmented generation, leveraging structured or semi-structured information -- such as entities and their relations…

cs.CL2025

GeAR: Graph-enhanced Agent for Retrieval-augmented Generation

Zhili Shen, Chenxin Diao, Pavlos Vougiouklis +12

Retrieval-augmented Generation (RAG) relies on effective retrieval capabilities, yet traditional sparse and dense retrievers inherently struggle with multi-hop retrieval scenarios.…

cs.CL2025

Masking in Multi-hop QA: An Analysis of How Language Models Perform with Context Permutation

Wenyu Huang, Pavlos Vougiouklis, Mirella Lapata +1

Multi-hop Question Answering (MHQA) adds layers of complexity to question answering, making it more challenging. When Language Models (LMs) are prompted with multiple search result…

cs.AI2025

An Extensive Evaluation of PDDL Capabilities in off-the-shelf LLMs

Kaustubh Vyas, Damien Graux, Sébastien Montella +5

In recent advancements, large language models (LLMs) have exhibited proficiency in code generation and chain-of-thought reasoning, laying the groundwork for tackling automatic form…