arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2303.04710cs.IR
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提高网络搜索性能:预训练、微调和学习排序

Towards Better Web Search Performance: Pre-training, Fine-tuning and Learning to Rank

Haitao Li, Jia Chen, Weihang Su, Qingyao Ai, Yiqun Liu

摘要:

本文介绍了THUIR团队在WSDM Cup 2023预培训Web搜索任务中的方法。此任务要求参与者对每个查询的相关文档进行排名。我们提出了一种新的数据预处理方法,并对处理后的数据进行预训练和微调。此外,我们提取统计,公理和语义特征,以提高排名性能。在特征提取之后,采用不同的学习排序模型来合并这些特征。实验结果表明了该方法的优越性。我们终于在这次比赛中获得了第二名。

英文摘要:

This paper describes the approach of the THUIR team at the WSDM Cup 2023 Pre-training for Web Search task. This task requires the participant to rank the relevant documents for each query. We propose a new data pre-processing method and conduct pre-training and fine-tuning with the processed data. Moreover, we extract statistical, axiomatic, and semantic features to enhance the ranking performance. After the feature extraction, diverse learning-to-rank models are employed to merge those features. The experimental results show the superiority of our proposal. We finally achieve second place in this competition.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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