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Related papers: Caseformer: Pre-training for Legal Case Retrieval …

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We consider the large-scale query-document retrieval problem: given a query (e.g., a question), return the set of relevant documents (e.g., paragraphs containing the answer) from a large document corpus. This problem is often solved in two…

Machine Learning · Computer Science 2020-02-11 Wei-Cheng Chang , Felix X. Yu , Yin-Wen Chang , Yiming Yang , Sanjiv Kumar

Given the rapid development of Legal AI, a lot of attention has been paid to one of the most important legal AI tasks--similar case retrieval, especially with language models to use. In our paper, however, we try to improve the ranking…

Computation and Language · Computer Science 2025-07-29 Yuqi Liu , Yan Zheng

Legal case retrieval, which aims to retrieve relevant cases to a given query case, benefits judgment justice and attracts increasing attention. Unlike generic retrieval queries, legal case queries are typically long and the definition of…

Information Retrieval · Computer Science 2023-12-07 Youchao Zhou , Heyan Huang , Zhijing Wu

Recent approaches in literature have exploited the multi-modal information in documents (text, layout, image) to serve specific downstream document tasks. However, they are limited by their - (i) inability to learn cross-modal…

Computation and Language · Computer Science 2022-01-06 Subhojeet Pramanik , Shashank Mujumdar , Hima Patel

We present our method for tackling a legal case retrieval task by introducing our method of encoding documents by summarizing them into continuous vector space via our phrase scoring framework utilizing deep neural networks. On the other…

Computation and Language · Computer Science 2023-09-18 Vu Tran , Minh Le Nguyen , Satoshi Tojo , Ken Satoh

Traditionally in the domain of legal research, the retrieval of pertinent citations from intricate case descriptions has demanded manual effort and keyword-based search applications that mandate expertise in understanding legal jargon.…

Information Retrieval · Computer Science 2024-08-16 Akshat Mohan Dasula , Hrushitha Tigulla , Preethika Bhukya

Given a specific query case, legal case retrieval systems aim to retrieve a set of case documents relevant to the case at hand. Previous studies on user behavior analysis have shown that information retrieval (IR) systems can significantly…

Information Retrieval · Computer Science 2023-10-10 Beining Wang , Ruizhe Zhang , Yueyue Wu , Qingyao Ai , Min Zhang , Yiqun Liu

Legal case documents play a critical role in judicial proceedings. As the number of cases continues to rise, the reliance on manual drafting of legal case documents is facing increasing pressure and challenges. The development of large…

Computation and Language · Computer Science 2025-02-26 Haitao Li , Jiaying Ye , Yiran Hu , Jia Chen , Qingyao Ai , Yueyue Wu , Junjie Chen , Yifan Chen , Cheng Luo , Quan Zhou , Yiqun Liu

Efficient text retrieval is critical for applications such as legal document analysis, particularly in specialized contexts like Japanese legal systems. Existing retrieval methods often underperform in such domain-specific scenarios,…

Information Retrieval · Computer Science 2024-12-30 Quang Hoang Trung , Le Trung Hoang , Nguyen Van Hoang Phuc

Legal case retrieval (LCR) aims to automatically scour for comparable legal cases based on a given query, which is crucial for offering relevant precedents to support the judgment in intelligent legal systems. Due to similar goals, it is…

Computation and Language · Computer Science 2025-02-26 Nuo Xu , Pinghui Wang , Zi Liang , Junzhou Zhao , Xiaohong Guan

Log anomaly detection is a key component in the field of artificial intelligence for IT operations (AIOps). Considering log data of variant domains, retraining the whole network for unknown domains is inefficient in real industrial…

Machine Learning · Computer Science 2024-01-11 Hongcheng Guo , Jian Yang , Jiaheng Liu , Jiaqi Bai , Boyang Wang , Zhoujun Li , Tieqiao Zheng , Bo Zhang , Junran peng , Qi Tian

While in-context Learning (ICL) has proven to be an effective technique to improve the performance of Large Language Models (LLMs) in a variety of complex tasks, notably in translating natural language questions into Structured Query…

Computation and Language · Computer Science 2024-06-13 Yuxi Feng , Raymond Li , Zhenan Fan , Giuseppe Carenini , Mohammadreza Pourreza , Weiwei Zhang , Yong Zhang

Statutory law retrieval is a typical problem in legal language processing, that has various practical applications in law engineering. Modern deep learning-based retrieval methods have achieved significant results for this problem. However,…

Computation and Language · Computer Science 2024-10-17 Hai-Long Nguyen , Tan-Minh Nguyen , Duc-Minh Nguyen , Thi-Hai-Yen Vuong , Ha-Thanh Nguyen , Xuan-Hieu Phan

In this paper, we address the issue of using logic rules to explain the results from legal case retrieval. The task is critical to legal case retrieval because the users (e.g., lawyers or judges) are highly specialized and require the…

Information Retrieval · Computer Science 2024-03-05 Zhongxiang Sun , Kepu Zhang , Weijie Yu , Haoyu Wang , Jun Xu

Legal retrieval techniques play an important role in preserving the fairness and equality of the judicial system. As an annually well-known international competition, COLIEE aims to advance the development of state-of-the-art retrieval…

Information Retrieval · Computer Science 2024-04-02 Haitao Li , You Chen , Zhekai Ge , Qingyao Ai , Yiqun Liu , Quan Zhou , Shuai Huo

Domain specific information retrieval process has been a prominent and ongoing research in the field of natural language processing. Many researchers have incorporated different techniques to overcome the technical and domain specificity…

Automatic summarization of legal texts is an important and still a challenging task since legal documents are often long and complicated with unusual structures and styles. Recent advances of deep models trained end-to-end with…

Computation and Language · Computer Science 2022-04-14 Duy-Hung Nguyen , Bao-Sinh Nguyen , Nguyen Viet Dung Nghiem , Dung Tien Le , Mim Amina Khatun , Minh-Tien Nguyen , Hung Le

As large language models (LLMs) continue to advance in capabilities, it is essential to assess how they perform on established benchmarks. In this study, we present a suite of experiments to assess the performance of modern LLMs (ranging…

Computation and Language · Computer Science 2025-05-27 Chuck Arvin

Large Language Models (LLMs), trained on extensive datasets from the web, exhibit remarkable general reasoning skills. Despite this, they often struggle in specialized areas like law, mainly because they lack domain-specific pretraining.…

Computation and Language · Computer Science 2025-11-27 Mann Khatri , Mirza Yusuf , Rajiv Ratn Shah , Ponnurangam Kumaraguru

Large Transformer-based language models such as BERT have led to broad performance improvements on many NLP tasks. Domain-specific variants of these models have demonstrated excellent performance on a variety of specialised tasks. In legal…

Computation and Language · Computer Science 2021-09-16 Benjamin Clavié , Akshita Gheewala , Paul Briton , Marc Alphonsus , Rym Laabiyad , Francesco Piccoli