activity
20182024
most citedA Coherent Unsupervised Model for Toponym Resolution

32 citations · 122 across the 14 of their papers we have counts for

collaborators

15 papers

cs.IR2024★ 9 cited

Systematic Evaluation of Neural Retrieval Models on the Touché 2020 Argument Retrieval Subset of BEIR

Nandan Thakur, Luiz Bonifacio, Maik Fröbe +5

The zero-shot effectiveness of neural retrieval models is often evaluated on the BEIR benchmark -- a combination of different IR evaluation datasets. Interestingly, previous studie…

cs.IR2024★ 4 cited

LLMs Can Patch Up Missing Relevance Judgments in Evaluation

Shivani Upadhyay, Ehsan Kamalloo, Jimmy Lin

Unjudged documents or holes in information retrieval benchmarks are considered non-relevant in evaluation, yielding no gains in measuring effectiveness. However, these missing judg…

cs.CL2023★ 1 cited

"Knowing When You Don't Know": A Multilingual Relevance Assessment Dataset for Robust Retrieval-Augmented Generation

Nandan Thakur, Luiz Bonifacio, Xinyu Zhang +8

Retrieval-Augmented Generation (RAG) grounds Large Language Model (LLM) output by leveraging external knowledge sources to reduce factual hallucinations. However, prior work lacks…

cs.CL2023★ 29 cited

HAGRID: A Human-LLM Collaborative Dataset for Generative Information-Seeking with Attribution

Ehsan Kamalloo, Aref Jafari, Xinyu Zhang +2

The rise of large language models (LLMs) had a transformative impact on search, ushering in a new era of search engines that are capable of generating search results in natural lan…

cs.IR2023★ 2 cited

Resources for Brewing BEIR: Reproducible Reference Models and an Official Leaderboard

Ehsan Kamalloo, Nandan Thakur, Carlos Lassance +3

BEIR is a benchmark dataset for zero-shot evaluation of information retrieval models across 18 different domain/task combinations. In recent years, we have witnessed the growing po…

cs.CL2023★ 5 cited

Evaluating Open-Domain Question Answering in the Era of Large Language Models

Ehsan Kamalloo, Nouha Dziri, Charles L. A. Clarke +1

Lexical matching remains the de facto evaluation method for open-domain question answering (QA). Unfortunately, lexical matching fails completely when a plausible candidate answer…