Search Results for author: Jeffrey Dalton

Found 5 papers, 3 papers with code

CODEC: Complex Document and Entity Collection

1 code implementation9 May 2022 Iain Mackie, Paul Owoicho, Carlos Gemmell, Sophie Fischer, Sean MacAvaney, Jeffrey Dalton

We also show that the manual query reformulations significantly improve document ranking and entity ranking performance.

Document Ranking Re-Ranking

Building and Evaluating Open-Domain Dialogue Corpora with Clarifying Questions

1 code implementation EMNLP 2021 Mohammad Aliannejadi, Julia Kiseleva, Aleksandr Chuklin, Jeffrey Dalton, Mikhail Burtsev

Enabling open-domain dialogue systems to ask clarifying questions when appropriate is an important direction for improving the quality of the system response.

CEQE: Contextualized Embeddings for Query Expansion

no code implementations9 Mar 2021 Shahrzad Naseri, Jeffrey Dalton, Andrew Yates, James Allan

We find that CEQE outperforms static embedding-based expansion methods on multiple collections (by up to 18% on Robust and 31% on Deep Learning on average precision) and also improves over proven probabilistic pseudo-relevance feedback (PRF) models.


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