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相关论文: Exploiting Contrastive Learning and Numerical Evid…

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Training dense passage representations via contrastive learning has been shown effective for Open-Domain Passage Retrieval (ODPR). Existing studies focus on further optimizing by improving negative sampling strategy or extra pretraining.…

计算与语言 · 计算机科学 2022-03-08 Bohong Wu , Zhuosheng Zhang , Jinyuan Wang , Hai Zhao

Fine-tuning a pre-trained language model via the contrastive learning framework with a large amount of unlabeled sentences or labeled sentence pairs is a common way to obtain high-quality sentence representations. Although the contrastive…

计算与语言 · 计算机科学 2022-11-01 Tianduo Wang , Wei Lu

In this paper, we propose to study the problem of COURT VIEW GENeration from the fact description in a criminal case. The task aims to improve the interpretability of charge prediction systems and help automatic legal document generation.…

计算与语言 · 计算机科学 2018-02-26 Hai Ye , Xin Jiang , Zhunchen Luo , Wenhan Chao

This paper conducts a comparative study on the performance of various machine learning (``ML'') approaches for classifying judgments into legal areas. Using a novel dataset of 6,227 Singapore Supreme Court judgments, we investigate how…

计算与语言 · 计算机科学 2019-04-16 Jerrold Soh Tsin Howe , Lim How Khang , Ian Ernst Chai

We study generating abstractive summaries that are faithful and factually consistent with the given articles. A novel contrastive learning formulation is presented, which leverages both reference summaries, as positive training data, and…

计算与语言 · 计算机科学 2021-09-21 Shuyang Cao , Lu Wang

Despite the recent progress in news summarization made by large language models (LLMs), they often generate summaries that are factually inconsistent with original articles, known as "hallucinations" in text generation. Unlike previous…

计算与语言 · 计算机科学 2025-02-17 Huawen Feng , Yan Fan , Xiong Liu , Ting-En Lin , Zekun Yao , Yuchuan Wu , Fei Huang , Yongbin Li , Qianli Ma

Contrastive Learning has emerged as a powerful representation learning method and facilitates various downstream tasks especially when supervised data is limited. How to construct efficient contrastive samples through data augmentation is…

计算与语言 · 计算机科学 2021-11-30 Yangkai Du , Tengfei Ma , Lingfei Wu , Fangli Xu , Xuhong Zhang , Bo Long , Shouling Ji

Contrastive Learning (CL) has been successfully applied to classification and other downstream tasks related to concrete concepts, such as objects contained in the ImageNet dataset. No attempts seem to have been made so far in applying this…

机器学习 · 计算机科学 2025-05-30 Daniel N. Nissani

Large language models (LLMs) are becoming increasingly important for machine learning applications. However, it can be challenging to align LLMs with our intent, particularly when we want to generate content that is preferable over others…

计算与语言 · 计算机科学 2024-04-09 Xiang Gao , Kamalika Das

Criminal case matching endeavors to determine the relevance between different criminal cases. Conventional methods predict the relevance solely based on instance-level semantic features and neglect the diverse legal factors (LFs), which are…

计算与语言 · 计算机科学 2024-06-18 Jie Zhao , Ziyu Guan , Wei Zhao , Yue Jiang

Despite the success of contrastive learning (CL) in vision and language, its theoretical foundations and mechanisms for building representations remain poorly understood. In this work, we build connections between noise contrastive…

机器学习 · 计算机科学 2025-02-28 Zihao Chen , Chi-Heng Lin , Ran Liu , Jingyun Xiao , Eva L Dyer

Contrastive learning has recently established itself as a powerful self-supervised learning framework for extracting rich and versatile data representations. Broadly speaking, contrastive learning relies on a data augmentation scheme to…

机器学习 · 计算机科学 2023-05-02 Ilgee Hong , Huy Tran , Claire Donnat

Multi-label classification, which involves assigning multiple labels to a single input, has emerged as a key area in both research and industry due to its wide-ranging applications. Designing effective loss functions is crucial for…

机器学习 · 计算机科学 2025-01-06 Alexandre Audibert , Aurélien Gauffre , Massih-Reza Amini

We present a representation learning framework for financial time series forecasting. One challenge of using deep learning models for finance forecasting is the shortage of available training data when using small datasets. Direct trend…

机器学习 · 计算机科学 2021-05-10 Hanwei Wu , Ather Gattami , Markus Flierl

The lack of labeled data is a key challenge for learning useful representation from time series data. However, an unsupervised representation framework that is capable of producing high quality representations could be of great value. It is…

Learning meaningful representations of data that can address challenges such as batch effect correction and counterfactual inference is a central problem in many domains including computational biology. Adopting a Conditional VAE framework,…

机器学习 · 统计学 2022-06-28 Adam Foster , Árpi Vezér , Craig A Glastonbury , Páidí Creed , Sam Abujudeh , Aaron Sim

There are a thousand ways to caption an image. Contrastive Language Pretraining (CLIP) on the other hand, works by mapping an image and its caption to a single vector -- limiting how well CLIP-like models can represent the diverse ways to…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Samuel Lavoie , Polina Kirichenko , Mark Ibrahim , Mahmoud Assran , Andrew Gordon Wilson , Aaron Courville , Nicolas Ballas

Contrastive representation learning has been recently proved to be very efficient for self-supervised training. These methods have been successfully used to train encoders which perform comparably to supervised training on downstream…

机器学习 · 计算机科学 2020-12-03 Ibrahim Merad , Yiyang Yu , Emmanuel Bacry , Stéphane Gaïffas

Contrastive learning has achieved remarkable success in representation learning via self-supervision in unsupervised settings. However, effectively adapting contrastive learning to supervised learning tasks remains as a challenge in…

计算与语言 · 计算机科学 2022-01-24 Qianben Chen , Richong Zhang , Yaowei Zheng , Yongyi Mao

Contrastive learning allows us to flexibly define powerful losses by contrasting positive pairs from sets of negative samples. Recently, the principle has also been used to learn cross-modal embeddings for video and text, yet without…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Mohammadreza Zolfaghari , Yi Zhu , Peter Gehler , Thomas Brox