collaborators

7 papers

cs.IR2026

Understanding Wacky Weights: A Dissection of SPLADE's Learned Term Importance

Gregory Polyakov, Harrisen Scells, Carsten Eickhoff

Learned sparse retrieval models such as SPLADE combine the effectiveness of neural architectures with the efficiency of inverted indices. As these models assign weights to terms fr…

cs.IR2026

A Large-Scale, Cross-Disciplinary Corpus of Systematic Reviews

Pierre Achkar, Tim Gollub, Arno Simons +2

Existing benchmarks for systematic reviewing remain limited either in scale or in disciplinary coverage, with some collections comprising only a modest number of topics and others…

cs.IR2026

Topic-Specific Classifiers are Better Relevance Judges than Prompted LLMs

Lukas Gienapp, Martin Potthast, Andrew Yates +2

The unjudged document problem, where systems that did not contribute to the original judgement pool may retrieve documents without a relevance judgement, is a key obstacle to the r…

cs.CL2026

Investigating Counterclaims in Causality Extraction from Text

Tim Hagen, Niklas Deckers, Felix Wolter +2

Many causal claims, such as "sugar causes hyperactivity," are disputed or outdated. Yet research on causality extraction from text has almost entirely neglected counterclaims of ca…

cs.IR2025

AutoBool: An Reinforcement-Learning trained LLM for Effective Automated Boolean Query Generation for Systematic Reviews

Shuai Wang, Harrisen Scells, Bevan Koopman +1

We present AutoBool, a reinforcement learning (RL) framework that trains large language models (LLMs) to generate effective Boolean queries for medical systematic reviews. Boolean…

cs.IR2025

Reassessing Large Language Model Boolean Query Generation for Systematic Reviews

Shuai Wang, Harrisen Scells, Bevan Koopman +1

Systematic reviews are comprehensive literature reviews that address highly focused research questions and represent the highest form of evidence in medicine. A critical step in th…