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Document-level relation extraction aims to extract relations among entities within a document. Compared with its sentence-level counterpart, Document-level relation extraction requires inference over multiple sentences to extract complex…

计算与语言 · 计算机科学 2022-08-05 Liang Zhang , Yidong Cheng

Variants of Triplet networks are robust entities for learning a discriminative embedding subspace. There exist different triplet mining approaches for selecting the most suitable training triplets. Some of these mining methods rely on the…

机器学习 · 统计学 2021-11-05 Milad Sikaroudi , Benyamin Ghojogh , Fakhri Karray , Mark Crowley , H. R. Tizhoosh

In practical scenario, relation extraction needs to first identify entity pairs that have relation and then assign a correct relation class. However, the number of non-relation entity pairs in context (negative instances) usually far…

计算与语言 · 计算机科学 2019-06-24 Wei Ye , Bo Li , Rui Xie , Zhonghao Sheng , Long Chen , Shikun Zhang

We propose an explainable approach for relation extraction that mitigates the tension between generalization and explainability by jointly training for the two goals. Our approach uses a multi-task learning architecture, which jointly…

计算与语言 · 计算机科学 2022-10-27 Zheng Tang , Mihai Surdeanu

Recently, large language models (LLMs) have demonstrated impressive results but still suffer from hallucinations. Model editing has been proposed to correct factual inaccuracies in LLMs. A challenging case is sequential model editing (SME),…

计算与语言 · 计算机科学 2025-06-24 Taolin Zhang , Haidong Kang , Dongyang Li , Qizhou Chen , Chengyu Wang Xiaofeng He , Richang Hong

Distantly supervised relation extraction intrinsically suffers from noisy labels due to the strong assumption of distant supervision. Most prior works adopt a selective attention mechanism over sentences in a bag to denoise from wrongly…

计算与语言 · 计算机科学 2019-11-28 Yang Li , Guodong Long , Tao Shen , Tianyi Zhou , Lina Yao , Huan Huo , Jing Jiang

Connections between relations in relation extraction, which we call class ties, are common. In distantly supervised scenario, one entity tuple may have multiple relation facts. Exploiting class ties between relations of one entity tuple…

人工智能 · 计算机科学 2017-08-08 Hai Ye , Wenhan Chao , Zhunchen Luo , Zhoujun Li

We present a joint model for entity-level relation extraction from documents. In contrast to other approaches - which focus on local intra-sentence mention pairs and thus require annotations on mention level - our model operates on entity…

计算与语言 · 计算机科学 2021-12-06 Markus Eberts , Adrian Ulges

Work introduces a hierarchical binary tree-based reduction that replaces standard self-attention. The core idea is to use a recursive Gated Linear Unit merge operation, achieving O(n) total merge operations O(log n) parallel depth O(n d^2)…

机器学习 · 计算机科学 2026-03-03 Igor Berezkin

In this paper we propose a unified framework to simultaneously discover the number of clusters and group the data points into them using subspace clustering. Real data distributed in a high-dimensional space can be disentangled into a union…

计算机视觉与模式识别 · 计算机科学 2019-07-24 Jie Liang , Jufeng Yang , Ming-Ming Cheng , Paul L. Rosin , Liang Wang

A major proportion of a text summary includes important entities found in the original text. These entities build up the topic of the summary. Moreover, they hold commonsense information once they are linked to a knowledge base. Based on…

计算与语言 · 计算机科学 2018-06-15 Reinald Kim Amplayo , Seonjae Lim , Seung-won Hwang

Entity recognition is a fundamental task in understanding document images. Traditional sequence labeling frameworks treat the entity types as class IDs and rely on extensive data and high-quality annotations to learn semantics which are…

计算与语言 · 计算机科学 2022-04-13 Zilong Wang , Jingbo Shang

The goal of document-level relation extraction (RE) is to identify relations between entities that span multiple sentences. Recently, incomplete labeling in document-level RE has received increasing attention, and some studies have used…

计算与语言 · 计算机科学 2024-01-26 Ye Wang , Huazheng Pan , Tao Zhang , Wen Wu , Wenxin Hu

In this paper, we present a substantial step in better understanding the SOTA sequence-to-sequence (Seq2Seq) pretraining for neural machine translation~(NMT). We focus on studying the impact of the jointly pretrained decoder, which is the…

计算与语言 · 计算机科学 2022-03-17 Wenxuan Wang , Wenxiang Jiao , Yongchang Hao , Xing Wang , Shuming Shi , Zhaopeng Tu , Michael Lyu

The subpopulationtion shift, characterized by a disparity in subpopulation distributibetween theween the training and target datasets, can significantly degrade the performance of machine learning models. Current solutions to subpopulation…

In this paper, we propose a new paradigm for the task of entity-relation extraction. We cast the task as a multi-turn question answering problem, i.e., the extraction of entities and relations is transformed to the task of identifying…

计算与语言 · 计算机科学 2019-09-05 Xiaoya Li , Fan Yin , Zijun Sun , Xiayu Li , Arianna Yuan , Duo Chai , Mingxin Zhou , Jiwei Li

Entity and Relation Extraction (ERE) is an important task in information extraction. Recent marker-based pipeline models achieve state-of-the-art performance, but still suffer from the error propagation issue. Also, most of current ERE…

计算与语言 · 计算机科学 2023-10-27 Zhaohui Yan , Songlin Yang , Wei Liu , Kewei Tu

Pre-trained sequence-to-sequence (seq-to-seq) models have significantly improved the accuracy of several language generation tasks, including abstractive summarization. Although the fluency of abstractive summarization has been greatly…

计算与语言 · 计算机科学 2020-03-31 Itsumi Saito , Kyosuke Nishida , Kosuke Nishida , Junji Tomita

Document pair extraction aims to identify key and value entities as well as their relationships from visually-rich documents. Most existing methods divide it into two separate tasks: semantic entity recognition (SER) and relation extraction…

计算与语言 · 计算机科学 2024-11-19 Zening Lin , Jiapeng Wang , Teng Li , Wenhui Liao , Dayi Huang , Longfei Xiong , Lianwen Jin

Entity-relation extraction aims to jointly solve named entity recognition (NER) and relation extraction (RE). Recent approaches use either one-way sequential information propagation in a pipeline manner or two-way implicit interaction with…

计算与语言 · 计算机科学 2022-02-16 An Wang , Ao Liu , Hieu Hanh Le , Haruo Yokota