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We study the problem of textual relation embedding with distant supervision. To combat the wrong labeling problem of distant supervision, we propose to embed textual relations with global statistics of relations, i.e., the co-occurrence…

Computation and Language · Computer Science 2018-04-20 Yu Su , Honglei Liu , Semih Yavuz , Izzeddin Gur , Huan Sun , Xifeng Yan

Distant supervision (DS) is a promising approach for relation extraction but often suffers from the noisy label problem. Traditional DS methods usually represent an entity pair as a bag of sentences and denoise labels using multi-instance…

Computation and Language · Computer Science 2020-12-10 Lingyong Yan , Xianpei Han , Le Sun , Fangchao Liu , Ning Bian

Distant supervision has been a widely used method for neural relation extraction for its convenience of automatically labeling datasets. However, existing works on distantly supervised relation extraction suffer from the low quality of test…

Computation and Language · Computer Science 2020-10-20 Pengshuai Li , Xinsong Zhang , Weijia Jia , Wei Zhao

Relation extraction is the task of determining the relation between two entities in a sentence. Distantly-supervised models are popular for this task. However, sentences can be long and two entities can be located far from each other in a…

Computation and Language · Computer Science 2019-12-10 Tapas Nayak , Hwee Tou Ng

Distant supervision has become the standard method for relation extraction. However, even though it is an efficient method, it does not come at no cost---The resulted distantly-supervised training samples are often very noisy. To combat the…

Computation and Language · Computer Science 2018-05-28 Pengda Qin , Weiran Xu , William Yang Wang

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…

Computation and Language · Computer Science 2021-03-16 Yusen Lin

Joint entity and relation extraction is a process that identifies entity pairs and their relations using a single model. We focus on the problem of joint extraction in distantly-labeled data, whose labels are generated by aligning entity…

Computation and Language · Computer Science 2024-05-28 Yufei Li , Xiao Yu , Yanghong Guo , Yanchi Liu , Haifeng Chen , Cong Liu

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

Recent advances in deep neural models allow us to build reliable named entity recognition (NER) systems without handcrafting features. However, such methods require large amounts of manually-labeled training data. There have been efforts on…

Computation and Language · Computer Science 2018-09-12 Jingbo Shang , Liyuan Liu , Xiang Ren , Xiaotao Gu , Teng Ren , Jiawei Han

Extracting relations across large text spans has been relatively underexplored in NLP, but it is particularly important for high-value domains such as biomedicine, where obtaining high recall of the latest findings is crucial for practical…

Computation and Language · Computer Science 2021-09-14 Sheng Zhang , Cliff Wong , Naoto Usuyama , Sarthak Jain , Tristan Naumann , Hoifung Poon

Distant supervision (DS) has been widely used to generate auto-labeled data for sentence-level relation extraction (RE), which improves RE performance. However, the existing success of DS cannot be directly transferred to the more…

Computation and Language · Computer Science 2020-11-10 Chaojun Xiao , Yuan Yao , Ruobing Xie , Xu Han , Zhiyuan Liu , Maosong Sun , Fen Lin , Leyu Lin

Segmenting text into semantically coherent segments is an important task with applications in information retrieval and text summarization. Developing accurate topical segmentation requires the availability of training data with ground…

Computation and Language · Computer Science 2019-04-16 Saurav Manchanda , George Karypis

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

Cross-document coreference, the problem of resolving entity mentions across multi-document collections, is crucial to automated knowledge base construction and data mining tasks. However, the scarcity of large labeled data sets has hindered…

Artificial Intelligence · Computer Science 2015-03-17 Sameer Singh , Michael Wick , Andrew McCallum

Relation extraction is a fundamental task in information extraction. Most existing methods have heavy reliance on annotations labeled by human experts, which are costly and time-consuming. To overcome this drawback, we propose a novel…

Computation and Language · Computer Science 2017-08-03 Liyuan Liu , Xiang Ren , Qi Zhu , Shi Zhi , Huan Gui , Heng Ji , Jiawei Han

Relation extraction is used to populate knowledge bases that are important to many applications. Prior datasets used to train relation extraction models either suffer from noisy labels due to distant supervision, are limited to certain…

Computation and Language · Computer Science 2021-02-22 Robert Ormandi , Mohammad Saleh , Erin Winter , Vinay Rao

Relation extraction is essential for extracting and understanding biographical information in the context of digital humanities and related subjects. There is a growing interest in the community to build datasets capable of training machine…

Computation and Language · Computer Science 2024-03-28 Alistair Plum , Tharindu Ranasinghe , Christoph Purschke

Relation Extraction is an important sub-task of Information Extraction which has the potential of employing deep learning (DL) models with the creation of large datasets using distant supervision. In this review, we compare the…

Computation and Language · Computer Science 2017-05-11 Shantanu Kumar

In recent years there is a surge of interest in applying distant supervision (DS) to automatically generate training data for relation extraction (RE). In this paper, we study the problem what limits the performance of DS-trained neural…

Computation and Language · Computer Science 2019-09-11 Qinyuan Ye , Liyuan Liu , Maosen Zhang , Xiang Ren

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