Search Results for author: Yixiao Ma

Found 6 papers, 2 papers with code

Caseformer: Pre-training for Legal Case Retrieval Based on Inter-Case Distinctions

1 code implementation1 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.

Fairness Retrieval

LeCaRDv2: A Large-Scale Chinese Legal Case Retrieval Dataset

no code implementations26 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.

Fairness Retrieval

An Intent Taxonomy of Legal Case Retrieval

no code implementations25 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.

Information Retrieval Retrieval +1

CaseEncoder: A Knowledge-enhanced Pre-trained Model for Legal Case Encoding

no code implementations9 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.

Retrieval

Diverse legal case search

no code implementations29 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.

Retrieval Specificity

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