From distillation to hard negative sampling: Making sparse neural ir models more effective

T Formal, C Lassance, B Piwowarski… - Proceedings of the 45th …, 2022 - dl.acm.org
Neural retrievers based on dense representations combined with Approximate Nearest
Neighbors search have recently received a lot of attention, owing their success to distillation …

Towards query performance prediction for neural information retrieval: challenges and opportunities

G Faggioli, T Formal, S Lupart, S Marchesin… - Proceedings of the …, 2023 - dl.acm.org
In this work, we propose a novel framework to devise features that can be used by Query
Performance Prediction (QPP) models for Neural Information Retrieval (NIR). Using the …

Explainable information retrieval: A survey

A Anand, L Lyu, M Idahl, Y Wang, J Wallat… - arXiv preprint arXiv …, 2022 - arxiv.org
Explainable information retrieval is an emerging research area aiming to make transparent
and trustworthy information retrieval systems. Given the increasing use of complex machine …

Towards Effective and Efficient Sparse Neural Information Retrieval

T Formal, C Lassance, B Piwowarski… - ACM Transactions on …, 2024 - dl.acm.org
Sparse representation learning based on Pre-trained Language Models has seen a growing
interest in Information Retrieval. Such approaches can take advantage of the proven …

Reproducibility, Replicability, and Insights into Dense Multi-Representation Retrieval Models: from ColBERT to Col

X Wang, C Macdonald, N Tonellotto… - Proceedings of the 46th …, 2023 - dl.acm.org
Dense multi-representation retrieval models, exemplified as ColBERT, estimate the
relevance between a query and a document based on the similarity of their contextualised …

ranxhub: An online repository for information retrieval runs

E Bassani - Proceedings of the 46th International ACM SIGIR …, 2023 - dl.acm.org
ranxhub is an online repository for sharing artifacts deriving from the evaluation of
Information Retrieval systems. Specifically, we provide a platform for sharing pre-computed …

Splate: Sparse late interaction retrieval

T Formal, S Clinchant, H Déjean… - Proceedings of the 47th …, 2024 - dl.acm.org
The late interaction paradigm introduced with ColBERT stands out in the neural Information
Retrieval space, offering a compelling effectiveness-efficiency trade-off across many …

When do generative query and document expansions fail? a comprehensive study across methods, retrievers, and datasets

O Weller, K Lo, D Wadden, D Lawrie… - arXiv preprint arXiv …, 2023 - arxiv.org
Using large language models (LMs) for query or document expansion can improve
generalization in information retrieval. However, it is unknown whether these techniques are …

Retrieve-and-Rank End-to-End Summarization of Biomedical Studies

G Moro, L Ragazzi, L Valgimigli, L Molfetta - International Conference on …, 2023 - Springer
An arduous biomedical task involves condensing evidence derived from multiple
interrelated studies, given a context as input, to generate reviews or provide answers …

Axiomatic Causal Interventions for Reverse Engineering Relevance Computation in Neural Retrieval Models

C Chen, J Merullo, C Eickhoff - … of the 47th International ACM SIGIR …, 2024 - dl.acm.org
Neural models have demonstrated remarkable performance across diverse ranking tasks.
However, the processes and internal mechanisms along which they determine relevance …