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Legal syllogism is a form of deductive reasoning commonly used by legal professionals to analyze cases. In this paper, we propose legal syllogism prompting (LoT), a simple prompting method to teach large language models (LLMs) for legal…

计算与语言 · 计算机科学 2023-07-18 Cong Jiang , Xiaolei Yang

Contrastive learning is a powerful technique for discovering meaningful data representations by optimizing objectives based on $\textit{contrastive information}$, often given as a set of weighted triplets $\{(x_i, y_i^+, z_{i}^-)\}_{i =…

How to alleviate the hallucinations of Large Language Models (LLMs) has always been the fundamental goal pursued by the LLMs research community. Looking through numerous hallucination-related studies, a mainstream category of methods is to…

计算与语言 · 计算机科学 2025-02-12 Yinghui Li , Haojing Huang , Jiayi Kuang , Yangning Li , Shu-Yu Guo , Chao Qu , Xiaoyu Tan , Hai-Tao Zheng , Ying Shen , Philip S. Yu

Solving math word problems is the task that analyses the relation of quantities and requires an accurate understanding of contextual natural language information. Recent studies show that current models rely on shallow heuristics to predict…

计算与语言 · 计算机科学 2022-11-30 Yibin Shen , Qianying Liu , Zhuoyuan Mao , Fei Cheng , Sadao Kurohashi

This paper demonstrate how NLP can be used to address an unmet need of the legal community and increase access to justice. The paper introduces Legal Precedent Prediction (LPP), the task of predicting relevant passages from precedential…

计算与语言 · 计算机科学 2021-07-01 Robert Zev Mahari

Legal Judgment Prediction (LJP), aiming to predict a judgment based on fact descriptions according to rule of law, serves as legal assistance to mitigate the great work burden of limited legal practitioners. Most existing methods apply…

计算与语言 · 计算机科学 2023-04-19 Haotian Chen , Lingwei Zhang , Yiran Liu , Fanchao Chen , Yang Yu

Although the self-supervised pre-training of transformer models has resulted in the revolutionizing of natural language processing (NLP) applications and the achievement of state-of-the-art results with regard to various benchmarks, this…

计算与语言 · 计算机科学 2023-01-26 Xiang Chen , Xin Xie , Zhen Bi , Hongbin Ye , Shumin Deng , Ningyu Zhang , Huajun Chen

Contrastive learning (CL) is a popular technique for self-supervised learning (SSL) of visual representations. It uses pairs of augmentations of unlabeled training examples to define a classification task for pretext learning of a deep…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Chih-Hui Ho , Nuno Vasconcelos

In this work, we investigate an approach that relies on contrastive learning and music metadata as a weak source of supervision to train music representation models. Recent studies show that contrastive learning can be used with editorial…

Contrastive learning is a discriminative approach that aims at grouping similar samples closer and diverse samples far from each other. It it an efficient technique to train an encoder generating distinguishable and informative…

计算机视觉与模式识别 · 计算机科学 2021-07-19 Qing Chen , Jian Zhang

Legal judgment prediction (LJP) aims to function as a judge by making final rulings based on case claims and facts, which plays a vital role in the judicial domain for supporting court decision-making and improving judicial efficiency.…

人工智能 · 计算机科学 2025-06-10 Weijie Shi , Han Zhu , Jiaming Ji , Mengze Li , Jipeng Zhang , Ruiyuan Zhang , Jia Zhu , Jiajie Xu , Sirui Han , Yike Guo

Differentiating relationships between entity pairs with limited labeled instances poses a significant challenge in few-shot relation classification. Representations of textual data extract rich information spanning the domain, entities, and…

计算与语言 · 计算机科学 2024-03-26 Philipp Borchert , Jochen De Weerdt , Marie-Francine Moens

Natural language inference (NLI) is an increasingly important task for natural language understanding, which requires one to infer the relationship between the sentence pair (premise and hypothesis). Many recent works have used contrastive…

计算与语言 · 计算机科学 2022-05-02 Shu'ang Li , Xuming Hu , Li Lin , Lijie Wen

Predictive coding has been widely used in legal matters to find relevant or privileged documents in large sets of electronically stored information. It saves the time and cost significantly. Logistic Regression (LR) and Support Vector…

信息检索 · 计算机科学 2019-04-04 Fusheng Wei , Han Qin , Shi Ye , Haozhen Zhao

Learning scientific document representations can be substantially improved through contrastive learning objectives, where the challenge lies in creating positive and negative training samples that encode the desired similarity semantics.…

计算与语言 · 计算机科学 2022-10-20 Malte Ostendorff , Nils Rethmeier , Isabelle Augenstein , Bela Gipp , Georg Rehm

Vector representations of natural language are ubiquitous in search applications. Recently, various methods based on contrastive learning have been proposed to learn textual representations from unlabelled data; by maximizing alignment…

计算与语言 · 计算机科学 2023-07-17 Sachin J. Chanchani , Ruihong Huang

Variational mutual information (MI) estimators are widely used in unsupervised representation learning methods such as contrastive predictive coding (CPC). A lower bound on MI can be obtained from a multi-class classification problem, where…

机器学习 · 计算机科学 2020-12-04 Jiaming Song , Stefano Ermon

Learning discriminative image representations plays a vital role in long-tailed image classification because it can ease the classifier learning in imbalanced cases. Given the promising performance contrastive learning has shown recently in…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Peng Wang , Kai Han , Xiu-Shen Wei , Lei Zhang , Lei Wang

The charge prediction task is to determine appropriate charges for a given case, which is helpful for legal assistant systems where the user input is fact description. We argue that relevant law articles play an important role in this task,…

计算与语言 · 计算机科学 2018-05-16 Bingfeng Luo , Yansong Feng , Jianbo Xu , Xiang Zhang , Dongyan Zhao

Cross-lingual transfer learning has proven useful in a variety of Natural Language Processing (NLP) tasks, but it is understudied in the context of legal NLP, and not at all in Legal Judgment Prediction (LJP). We explore transfer learning…

计算与语言 · 计算机科学 2022-09-27 Joel Niklaus , Matthias Stürmer , Ilias Chalkidis