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This paper focuses on the problem of unsupervised relation extraction. Existing probabilistic generative model-based relation extraction methods work by extracting sentence features and using these features as inputs to train a generative…

计算与语言 · 计算机科学 2020-09-29 Chenhan Yuan , Ryan Rossi , Andrew Katz , Hoda Eldardiry

Most existing works on continual learning (CL) focus on overcoming the catastrophic forgetting (CF) problem, with dynamic models and replay methods performing exceptionally well. However, since current works tend to assume exclusivity or…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Sijia Wang , Yoojin Choi , Junya Chen , Mostafa El-Khamy , Ricardo Henao

Modern learning systems excel at interpolation but struggle to generalize to unseen tasks outside the training distribution's support. This failure occurs even in simple settings, such as handling task parameters beyond the training range,…

机器学习 · 计算机科学 2026-05-29 Adam Ousherovitch , Yixin Wang

Designing effective task sequences is crucial for curriculum reinforcement learning (CRL), where agents must gradually acquire skills by training on intermediate tasks. A key challenge in CRL is to identify tasks that promote exploration,…

机器学习 · 计算机科学 2025-07-08 Geonwoo Cho , Jaegyun Im , Doyoon Kim , Sundong Kim

Existing neural solvers for vehicle routing problems (VRPs) are typically trained either in a one-off manner on a fixed set of pre-defined tasks or in a lifelong manner with tasks arriving sequentially, assuming sufficient training on each…

机器学习 · 计算机科学 2026-05-08 Jiyuan Pei , Yi Mei , Jialin Liu , Mengjie Zhang , Xin Yao

Open relation extraction (OpenRE) is the task of extracting relation schemes from open-domain corpora. Most existing OpenRE methods either do not fully benefit from high-quality labeled corpora or can not learn semantic representation…

计算与语言 · 计算机科学 2022-06-02 Yutong Wang , Renze Lou , Kai Zhang , MaoYan Chen , Yujiu Yang

To effectively manage the complexities of real-world dynamic environments, continual learning must incrementally acquire, update, and accumulate knowledge from a stream of tasks of different nature without suffering from catastrophic…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Chinmay Savadikar , Michelle Dai , Tianfu Wu

Recently, because of the high-quality representations of contrastive learning methods, rehearsal-based contrastive continual learning has been proposed to explore how to continually learn transferable representation embeddings to avoid the…

机器学习 · 计算机科学 2024-03-08 Jiyong Li , Dilshod Azizov , Yang Li , Shangsong Liang

Continual learning (CL) is crucial for evaluating adaptability in learning solutions to retain knowledge. Our research addresses the challenge of catastrophic forgetting, where models lose proficiency in previously learned tasks as they…

Unsupervised relation extraction (URE) aims at discovering underlying relations between named entity pairs from open-domain plain text without prior information on relational distribution. Existing URE models utilizing contrastive learning,…

计算与语言 · 计算机科学 2023-10-03 Guangxin Zhang , Shu Chen

Relation extraction (RE) plays an important role in extracting knowledge from unstructured text but requires a large amount of labeled corpus. To reduce the expensive annotation efforts, semisupervised learning aims to leverage both labeled…

计算与语言 · 计算机科学 2021-03-16 Yusen Lin

Relation extraction (RE) is the task of extracting relations between entities in text. Most RE methods extract relations from free-form running text and leave out other rich data sources, such as tables. We explore RE from the perspective…

计算与语言 · 计算机科学 2023-07-13 Arif Shahriar , Rohan Saha , Denilson Barbosa

Typically, Few-shot Continual Relation Extraction (FCRE) models must balance retaining prior knowledge while adapting to new tasks with extremely limited data. However, real-world scenarios may also involve unseen or undetermined relations…

机器学习 · 计算机科学 2025-02-26 Thiem Nguyen , Anh Nguyen , Quyen Tran , Tu Vu , Diep Nguyen , Linh Ngo , Thien Nguyen

Document-level relation extraction (RE), which requires reasoning on multiple entities in different sentences to identify complex inter-sentence relations, is more challenging than sentence-level RE. To extract the complex inter-sentence…

计算与语言 · 计算机科学 2022-04-04 Liang Zhang , Yidong Cheng

Modern pre-trained architectures struggle to retain previous information while undergoing continuous fine-tuning on new tasks. Despite notable progress in continual classification, systems designed for complex vision tasks such as detection…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Gaurav Bhatt , James Ross , Leonid Sigal

This paper introduces a novel perspective to significantly mitigate catastrophic forgetting in continuous learning (CL), which emphasizes models' capacity to preserve existing knowledge and assimilate new information. Current replay-based…

机器学习 · 计算机科学 2024-04-10 Jianshu Zhang , Yankai Fu , Ziheng Peng , Dongyu Yao , Kun He

Humans learn all their life long. They accumulate knowledge from a sequence of learning experiences and remember the essential concepts without forgetting what they have learned previously. Artificial neural networks struggle to learn…

机器学习 · 计算机科学 2020-12-09 Timothée Lesort

Continual learning aims to learn a sequence of tasks by leveraging the knowledge acquired in the past in an online-learning manner while being able to perform well on all previous tasks, this ability is crucial to the artificial…

计算机视觉与模式识别 · 计算机科学 2022-09-12 Ya-nan Han , Jian-wei Liu

Despite huge success, deep networks are unable to learn effectively in sequential multitask learning settings as they forget the past learned tasks after learning new tasks. Inspired from complementary learning systems theory, we address…

机器学习 · 计算机科学 2019-06-04 Mohammad Rostami , Soheil Kolouri , Praveen K. Pilly

Conventional approaches to relation extraction usually require a fixed set of pre-defined relations. Such requirement is hard to meet in many real applications, especially when new data and relations are emerging incessantly and it is…

计算与语言 · 计算机科学 2019-03-27 Hong Wang , Wenhan Xiong , Mo Yu , Xiaoxiao Guo , Shiyu Chang , William Yang Wang