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Distant Supervised Relation Extraction (DSRE) is usually formulated as a problem of classifying a bag of sentences that contain two query entities, into the predefined relation classes. Most existing methods consider those relation classes…

Computation and Language · Computer Science 2019-12-16 Yanjie Gou , Yinjie Lei , Lingqiao Liu , Pingping Zhang , Xi Peng

This paper investigates distantly supervised relation extraction in federated settings. Previous studies focus on distant supervision under the assumption of centralized training, which requires collecting texts from different platforms and…

Computation and Language · Computer Science 2020-08-13 Dianbo Sui , Yubo Chen , Kang Liu , Jun Zhao

Knowledge base provides a potential way to improve the intelligence of information retrieval (IR) systems, for that knowledge base has numerous relations between entities which can help the IR systems to conduct inference from one entity to…

Computation and Language · Computer Science 2019-07-29 Hai Ye , Zhunchen Luo

Distant supervision (DS) is a well established technique for creating large-scale datasets for relation extraction (RE) without using human annotations. However, research in DS-RE has been mostly limited to the English language.…

Computation and Language · Computer Science 2021-04-20 Abhyuday Bhartiya , Kartikeya Badola , Mausam

Existing relation classification methods that rely on distant supervision assume that a bag of sentences mentioning an entity pair are all describing a relation for the entity pair. Such methods, performing classification at the bag level,…

Information Retrieval · Computer Science 2018-08-27 Jun Feng , Minlie Huang , Li Zhao , Yang Yang , Xiaoyan Zhu

Distant supervision (DS) aims to generate large-scale heuristic labeling corpus, which is widely used for neural relation extraction currently. However, it heavily suffers from noisy labeling and long-tail distributions problem. Many…

Computation and Language · Computer Science 2021-02-03 Jianing Wang

Multiple instance learning (MIL) has become the standard learning paradigm for distantly supervised relation extraction (DSRE). However, due to relation extraction being performed at bag level, MIL has significant hardware requirements for…

Computation and Language · Computer Science 2021-04-16 Mehrdad Nasser , Mohamad Bagher Sajadi , Behrouz Minaei-Bidgoli

In recent years, distantly-supervised relation extraction has achieved a certain success by using deep neural networks. Distant Supervision (DS) can automatically generate large-scale annotated data by aligning entity pairs from Knowledge…

Computation and Language · Computer Science 2020-11-02 Tong Zhu , Haitao Wang , Junjie Yu , Xiabing Zhou , Wenliang Chen , Wei Zhang , Min Zhang

Relation extraction (RE) consists in categorizing the relationship between entities in a sentence. A recent paradigm to develop relation extractors is Distant Supervision (DS), which allows the automatic creation of new datasets by taking…

Computation and Language · Computer Science 2020-10-20 Johny Moreira , Chaina Oliveira , David Macêdo , Cleber Zanchettin , Luciano Barbosa

The models of n-ary cross sentence relation extraction based on distant supervision assume that consecutive sentences mentioning n entities describe the relation of these n entities. However, on one hand, this assumption introduces noisy…

Machine Learning · Computer Science 2020-09-29 Chenhan Yuan , Ryan Rossi , Andrew Katz , Hoda Eldardiry

Remarkable success has been achieved in the last few years on some limited machine reading comprehension (MRC) tasks. However, it is still difficult to interpret the predictions of existing MRC models. In this paper, we focus on extracting…

Computation and Language · Computer Science 2019-09-25 Hai Wang , Dian Yu , Kai Sun , Jianshu Chen , Dong Yu , David McAllester , Dan Roth

Distant supervision (DS) is a well-established method for relation extraction from text, based on the assumption that when a knowledge-base contains a relation between a term pair, then sentences that contain that pair are likely to express…

Computation and Language · Computer Science 2017-12-01 Anca Dumitrache , Lora Aroyo , Chris Welty

Distantly supervised models are very popular for relation extraction since we can obtain a large amount of training data using the distant supervision method without human annotation. In distant supervision, a sentence is considered as a…

Computation and Language · Computer Science 2021-08-24 Tapas Nayak , Navonil Majumder , Soujanya Poria

Distantly supervision automatically generates plenty of training samples for relation extraction. However, it also incurs two major problems: noisy labels and imbalanced training data. Previous works focus more on reducing wrongly labeled…

Computation and Language · Computer Science 2021-05-24 Chenhao Xie , Jiaqing Liang , Jingping Liu , Chengsong Huang , Wenhao Huang , Yanghua Xiao

Distant supervision for relation extraction heavily suffers from the wrong labeling problem. To alleviate this issue in news data with the timestamp, we take a new factor time into consideration and propose a novel time-aware distant…

Computation and Language · Computer Science 2019-03-11 Tianwen Jiang , Sendong Zhao , Jing Liu , Jin-Ge Yao , Ming Liu , Bing Qin , Ting Liu , Chin-Yew Lin

Distant supervised relation extraction has been successfully applied to large corpus with thousands of relations. However, the inevitable wrong labeling problem by distant supervision will hurt the performance of relation extraction. In…

Computation and Language · Computer Science 2018-11-15 Shanchan Wu , Kai Fan , Qiong Zhang

Discourse parsing, the task of analyzing the internal rhetorical structure of texts, is a challenging problem in natural language processing. Despite the recent advances in neural models, the lack of large-scale, high-quality corpora for…

Computation and Language · Computer Science 2023-05-24 Feng Jiang , Longwang He , Peifeng Li , Qiaoming Zhu , Haizhou Li

Distant supervision has been widely used for relation extraction but suffers from noise labeling problem. Neural network models are proposed to denoise with attention mechanism but cannot eliminate noisy data due to its non-zero weights.…

Computation and Language · Computer Science 2020-10-01 Guoqing Luo , Jiaxin Pan , Min Peng

Distant supervision based methods for entity and relation extraction have received increasing popularity due to the fact that these methods require light human annotation efforts. In this paper, we consider the problem of \textit{shifted…

Computation and Language · Computer Science 2020-04-22 Daoyuan Chen , Yaliang Li , Kai Lei , Ying Shen

Distantly-supervised relation extraction (RE) is an effective method to scale RE to large corpora but suffers from noisy labels. Existing approaches try to alleviate noise through multi-instance learning and by providing additional…

Computation and Language · Computer Science 2021-02-03 Despina Christou , Grigorios Tsoumakas