research-article

GDESA: Greedy Diversity Encoder with Self-attention for Search Results Diversification

Authors:

Ji-Rong WenAuthors Info & Claims

ACM Transactions on Information Systems, Volume 41, Issue 2

Article No.: 34, Pages 1 - 36

https://doi.org/10.1145/3544103

Published: 03 April 2023 Publication History

Abstract

Search result diversification aims to generate diversified search results so as to meet the various information needs of users. Most of those existing diversification methods greedily select the optimal documents one-by-one comparing with the selected document sequences. Due to the fact that the information utilities of the candidate documents are not independent, a model based on greedy document selection may not produce the global optimal ranking results. To address this issue, some work proposes to model global document interactions regardless of whether a document is selected, which is inconsistent with actual user behavior. In this article, we propose a new supervised diversification framework as an ensemble of global interaction and document selection. Based on a self-attention encoder-decoder structure and an RNN-based document selection component, the model can simultaneously leverage both the global interactions among all the documents and the interactions between the selected sequence and each unselected document. This framework is called Greedy Diversity Encoder with Self-Attention (GDESA). Experimental results show that GDESA outperforms previous methods that rely just on global interactions, and our further analysis demonstrates that using both global interactions and document selection is necessary and beneficial.

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Cited By

Zhu RZhang SLiu BTian QWu XZhang RCao JQian L(2025)Web search result diversification by combining global and local document featuresApplied Soft Computing10.1016/j.asoc.2024.112543169(112543)Online publication date: Jan-2025
https://doi.org/10.1016/j.asoc.2024.112543
Su ZDou ZZhu YWen J(2024)Passage-aware Search Result DiversificationACM Transactions on Information Systems10.1145/365367242:5(1-29)Online publication date: 13-May-2024
https://dl.acm.org/doi/10.1145/3653672
Jiang SChen QXiang YPan YWu X(2024)BaSFormer: A Balanced Sparsity Regularized Attention Network for TransformerIEEE/ACM Transactions on Audio, Speech, and Language Processing10.1109/TASLP.2024.337406232(2125-2140)Online publication date: 2024
https://doi.org/10.1109/TASLP.2024.3374062
Show More Cited By

Index Terms

GDESA: Greedy Diversity Encoder with Self-attention for Search Results Diversification
1. Information systems
  1. Information retrieval
    1. Retrieval models and ranking
      1. Information retrieval diversity

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cover image ACM Transactions on Information Systems

ACM Transactions on Information Systems Volume 41, Issue 2

April 2023

770 pages

ISSN:1046-8188

EISSN:1558-2868

DOI:10.1145/3568971

Editor:
Min Zhang
Tsinghua University, China

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Publication History

Published: 03 April 2023

Online AM: 13 June 2022

Accepted: 28 May 2022

Revised: 24 March 2022

Received: 02 April 2021

Published in TOIS Volume 41, Issue 2

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Cited By

Zhu RZhang SLiu BTian QWu XZhang RCao JQian L(2025)Web search result diversification by combining global and local document featuresApplied Soft Computing10.1016/j.asoc.2024.112543169(112543)Online publication date: Jan-2025
https://doi.org/10.1016/j.asoc.2024.112543
Su ZDou ZZhu YWen J(2024)Passage-aware Search Result DiversificationACM Transactions on Information Systems10.1145/365367242:5(1-29)Online publication date: 13-May-2024
https://dl.acm.org/doi/10.1145/3653672
Jiang SChen QXiang YPan YWu X(2024)BaSFormer: A Balanced Sparsity Regularized Attention Network for TransformerIEEE/ACM Transactions on Audio, Speech, and Language Processing10.1109/TASLP.2024.337406232(2125-2140)Online publication date: 2024
https://doi.org/10.1109/TASLP.2024.3374062
Yu PRahimi RHuang ZAllan JFrommholz IHopfgartner FLee MOakes MLalmas MZhang MSantos R(2023)Search Result Diversification Using Query Aspects as BottlenecksProceedings of the 32nd ACM International Conference on Information and Knowledge Management10.1145/3583780.3615050(3040-3051)Online publication date: 21-Oct-2023
https://dl.acm.org/doi/10.1145/3583780.3615050

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