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Vassilis Plachouras

2 accepted papers

2026

BiasBusters: Uncovering and Mitigating Tool Selection Bias in Large Language Models

ICLR 2026poster

Agents backed by large language models (LLMs) often rely on external tools drawn from marketplaces where multiple providers offer functionally equivalent options. This raises a critical point concerning fairness: if selection is systematically biased, it can degrade user experience and distort compe…

Cited by 0SourcecodeScholar
2021

KILT: a Benchmark for Knowledge Intensive Language Tasks

NAACL 2021long

Challenging problems such as open-domain question answering, fact checking, slot filling and entity linking require access to large, external knowledge sources. While some models do well on individual tasks, developing general models is difficult as each task might require computationally expensive…