no code implementations • 20 Mar 2024 • Ruizhe Zhang, Qingyao Ai, Ziyi Ye, Yueyue Wu, Xiaohui Xie, Yiqun Liu
Traditional feedback signal such as clicks is too coarse to use as they do not reflect any fine-grained relevance information.
no code implementations • 17 Mar 2024 • Ruizhe Zhang, Haitao Li, Yueyue Wu, Qingyao Ai, Yiqun Liu, Min Zhang, Shaoping Ma
In recent years, the utilization of large language models for natural language dialogue has gained momentum, leading to their widespread adoption across various domains.
no code implementations • 25 Feb 2024 • Ruizhe Zhang, Qingyao Ai, Yiqun Liu, Yueyue Wu, Beining Wang
Gender of the defendants in both the task and relevant cases was edited to statistically measure the effect of gender bias in the legal case search results on participants' perceptions.
1 code implementation • 1 Nov 2023 • Weihang Su, Qingyao Ai, Yueyue Wu, Yixiao Ma, Haitao Li, Yiqun Liu, Zhijing Wu, Min Zhang
Legal case retrieval aims to help legal workers find relevant cases related to their cases at hand, which is important for the guarantee of fairness and justice in legal judgments.
no code implementations • 26 Oct 2023 • Haitao Li, Yunqiu Shao, Yueyue Wu, Qingyao Ai, Yixiao Ma, Yiqun Liu
However, the development of legal case retrieval technologies in the Chinese legal system is restricted by three problems in existing datasets: limited data size, narrow definitions of legal relevance, and naive candidate pooling strategies used in data sampling.
no code implementations • 7 Oct 2023 • Beining Wang, Ruizhe Zhang, Yueyue Wu, Qingyao Ai, Min Zhang, Yiqun Liu
Given a specific query case, legal case retrieval systems aim to retrieve a set of case documents relevant to the case at hand.
no code implementations • 25 Jul 2023 • Yunqiu Shao, Haitao Li, Yueyue Wu, Yiqun Liu, Qingyao Ai, Jiaxin Mao, Yixiao Ma, Shaoping Ma
Through a laboratory user study, we reveal significant differences in user behavior and satisfaction under different search intents in legal case retrieval.
2 code implementations • 11 May 2023 • Haitao Li, Changyue Wang, Weihang Su, Yueyue Wu, Qingyao Ai, Yiqun Liu
This paper describes the approach of the THUIR team at the COLIEE 2023 Legal Case Entailment task.
2 code implementations • 11 May 2023 • Haitao Li, Weihang Su, Changyue Wang, Yueyue Wu, Qingyao Ai, Yiqun Liu
Legal case retrieval techniques play an essential role in modern intelligent legal systems.
no code implementations • 9 May 2023 • Yixiao Ma, Yueyue Wu, Weihang Su, Qingyao Ai, Yiqun Liu
In the data sampling phase, we enhance the quality of the training data by utilizing fine-grained law article information to guide the selection of positive and negative examples.
1 code implementation • 22 Apr 2023 • Haitao Li, Qingyao Ai, Jia Chen, Qian Dong, Yueyue Wu, Yiqun Liu, Chong Chen, Qi Tian
Moreover, in contrast to the general retrieval, the relevance in the legal domain is sensitive to key legal elements.
no code implementations • 29 Jan 2023 • Ruizhe Zhang, Qingyao Ai, Yueyue Wu, Yixiao Ma, Yiqun Liu
In the process of searching, legal practitioners often need the search results under several different causes of cases as reference.