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Relational facts are an important component of human knowledge, which are hidden in vast amounts of text. In order to extract these facts from text, people have been working on relation extraction (RE) for years. From early pattern matching…

Computation and Language · Computer Science 2020-10-01 Xu Han , Tianyu Gao , Yankai Lin , Hao Peng , Yaoliang Yang , Chaojun Xiao , Zhiyuan Liu , Peng Li , Maosong Sun , Jie Zhou

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

Relation Extraction (RE) has attracted increasing attention, but current RE evaluation is limited to in-domain evaluation setups. Little is known on how well a RE system fares in challenging, but realistic out-of-distribution evaluation…

Computation and Language · Computer Science 2022-10-19 Elisa Bassignana , Barbara Plank

Relation extraction typically aims to extract semantic relationships between entities from the unstructured text. One of the most essential data sources for relation extraction is the spoken language, such as interviews and dialogues.…

Computation and Language · Computer Science 2022-10-18 Tongtong Wu , Guitao Wang , Jinming Zhao , Zhaoran Liu , Guilin Qi , Yuan-Fang Li , Gholamreza Haffari

Relation extraction (RE) is a sub-discipline of information extraction (IE) which focuses on the prediction of a relational predicate from a natural-language input unit (such as a sentence, a clause, or even a short paragraph consisting of…

Computation and Language · Computer Science 2022-12-20 Alessandro Temperoni , Maria Biryukov , Martin Theobald

Relation Extraction (RE) aims at recognizing the relation between pairs of entities mentioned in a text. Advances in LLMs have had a tremendous impact on NLP. In this work, we propose a textual data augmentation framework called PGA for…

Computation and Language · Computer Science 2024-06-03 Yang Zhou , Shimin Shan , Hongkui Wei , Zhehuan Zhao , Wenshuo Feng

Named Entity Recognition (NER) and Relation Extraction (RE) are essential tools in distilling knowledge from biomedical literature. This paper presents our findings from participating in BioNLP Shared Tasks 2019. We addressed Named Entity…

Computation and Language · Computer Science 2019-10-09 Usama Yaseen , Pankaj Gupta , Hinrich Schütze

In this demo paper, we present a text simplification approach that is directed at improving the performance of state-of-the-art Open Relation Extraction (RE) systems. As syntactically complex sentences often pose a challenge for current…

Computation and Language · Computer Science 2017-03-28 Christina Niklaus , Bernhard Bermeitinger , Siegfried Handschuh , André Freitas

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…

Computation and Language · Computer Science 2022-02-16 An Wang , Ao Liu , Hieu Hanh Le , Haruo Yokota

Relation extraction (RE) seeks to detect and classify semantic relationships between entities, which provides useful information for many NLP applications. Since the state-of-the-art RE models require large amounts of manually annotated…

Computation and Language · Computer Science 2019-11-13 Jian Ni , Radu Florian

Relation extraction (RE) aims at extracting the relation between two entities from the text corpora. It is a crucial task for Knowledge Graph (KG) construction. Most existing methods predict the relation between an entity pair by learning…

Computation and Language · Computer Science 2020-11-30 Jun Kuang , Yixin Cao , Jianbing Zheng , Xiangnan He , Ming Gao , Aoying Zhou

Topics models, such as LDA, are widely used in Natural Language Processing. Making their output interpretable is an important area of research with applications to areas such as the enhancement of exploratory search interfaces and the…

Computation and Language · Computer Science 2019-04-01 Areej Alokaili , Nikolaos Aletras , Mark Stevenson

The reading comprehension task, that asks questions about a given evidence document, is a central problem in natural language understanding. Recent formulations of this task have typically focused on answer selection from a set of…

Computation and Language · Computer Science 2017-03-21 Kenton Lee , Shimi Salant , Tom Kwiatkowski , Ankur Parikh , Dipanjan Das , Jonathan Berant

Relation extraction is an important task in structuring content of text data, and becomes especially challenging when learning with weak supervision---where only a limited number of labeled sentences are given and a large number of…

Computation and Language · Computer Science 2019-02-26 Hongtao Lin , Jun Yan , Meng Qu , Xiang Ren

Relation extraction (RE) has recently moved from the sentence-level to document-level, which requires aggregating document information and using entities and mentions for reasoning. Existing works put entity nodes and mention nodes with…

Computation and Language · Computer Science 2023-03-08 Hongfei Liu , Zhao Kang , Lizong Zhang , Ling Tian , Fujun Hua

Dialogue relation extraction (RE) is to predict the relation type of two entities mentioned in a dialogue. In this paper, we propose a simple yet effective model named SimpleRE for the RE task. SimpleRE captures the interrelations among…

Computation and Language · Computer Science 2023-04-26 Fuzhao Xue , Aixin Sun , Hao Zhang , Jinjie Ni , Eng Siong Chng

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

Distantly supervised relation extraction has been widely applied in knowledge base construction due to its less requirement of human efforts. However, the automatically established training datasets in distant supervision contain…

Computation and Language · Computer Science 2020-12-21 Tianyi Liu , Xiangyu Lin , Weijia Jia , Mingliang Zhou , Wei Zhao

The relation extraction (RE) in complex scenarios faces challenges such as diverse relation types and ambiguous relations between entities within a single sentence, leading to the poor performance of pure "text-in, text-out" language models…

Computation and Language · Computer Science 2024-09-04 Yuchen Shi , Guochao Jiang , Tian Qiu , Deqing Yang

Deep residual learning (ResNet) is a new method for training very deep neural networks using identity map-ping for shortcut connections. ResNet has won the ImageNet ILSVRC 2015 classification task, and achieved state-of-the-art performances…

Computation and Language · Computer Science 2017-07-28 Yi Yao Huang , William Yang Wang