Author

Danula Hettiachchi

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Preprint Aug 2026

The"Curse of Knowledge"in LLM Query Simulation: Concept Provenance for Tracing Answer-Side Intrusion

LLM-generated search queries are widely used to augment IR evaluation, yet they may contain concepts that presuppose answer-side document knowledge, violating the information-access boundary of pre-search users. Existing validation metrics, including overlap, diversity, and effectiveness, cannot distinguish rare human-...

Chenglong Ma, Xinye Wanyan, Danula Hettiachchi et al. · 0 citations

Book Open access Jul 2026

Reasoning with Large Language Models for Relevance Judgements

This work presents a novel framework that operationalizes explicit reasoning as a control mechanism for LLM-based relevance judgements and systematically quantifies its effects across evaluation settings, suggesting that its benefits depend on task context and complexity rather than being universally beneficial.

Louis Geiger, Danula Hettiachchi, Falk Scholer et al. · International Conference on... · 0 citations