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We present an approach to minimally supervised relation extraction that combines the benefits of learned representations and structured learning, and accurately predicts sentence-level relation mentions given only proposition-level…

Computation and Language · Computer Science 2019-11-20 Fan Bai , Alan Ritter

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

Neural network based approaches for sentence relation modeling automatically generate hidden matching features from raw sentence pairs. However, the quality of matching feature representation may not be satisfied due to complex semantic…

Computation and Language · Computer Science 2016-04-01 Peng Li , Heng Huang

We propose a novel deep structured learning framework for event temporal relation extraction. The model consists of 1) a recurrent neural network (RNN) to learn scoring functions for pair-wise relations, and 2) a structured support vector…

Computation and Language · Computer Science 2019-09-26 Rujun Han , I-Hung Hsu , Mu Yang , Aram Galstyan , Ralph Weischedel , Nanyun Peng

End-to-end relation extraction aims to identify named entities and extract relations between them. Most recent work models these two subtasks jointly, either by casting them in one structured prediction framework, or performing multi-task…

Computation and Language · Computer Science 2021-03-24 Zexuan Zhong , Danqi Chen

Parallel sentence extraction is a task addressing the data sparsity problem found in multilingual natural language processing applications. We propose a bidirectional recurrent neural network based approach to extract parallel sentences…

Computation and Language · Computer Science 2018-08-28 Francis Grégoire , Philippe Langlais

Recent work on language modelling has shifted focus from count-based models to neural models. In these works, the words in each sentence are always considered in a left-to-right order. In this paper we show how we can improve the…

Computation and Language · Computer Science 2015-07-07 Piotr Mirowski , Andreas Vlachos

We introduce RelNet: a new model for relational reasoning. RelNet is a memory augmented neural network which models entities as abstract memory slots and is equipped with an additional relational memory which models relations between all…

Computation and Language · Computer Science 2017-11-17 Trapit Bansal , Arvind Neelakantan , Andrew McCallum

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…

Computation and Language · Computer Science 2022-08-05 Liang Zhang , Yidong Cheng

While attention mechanisms have been proven to be effective in many NLP tasks, majority of them are data-driven. We propose a novel knowledge-attention encoder which incorporates prior knowledge from external lexical resources into deep…

Computation and Language · Computer Science 2020-03-05 Pengfei Li , Kezhi Mao , Xuefeng Yang , Qi Li

Joint extraction of entities and relations is an important task in information extraction. To tackle this problem, we firstly propose a novel tagging scheme that can convert the joint extraction task to a tagging problem. Then, based on our…

Computation and Language · Computer Science 2017-06-19 Suncong Zheng , Feng Wang , Hongyun Bao , Yuexing Hao , Peng Zhou , Bo Xu

This study introduces database expansion using the Minimum Description Length (MDL) algorithm to expand the database for better relation extraction. Different from other previous relation extraction researches, our method improves system…

Information Retrieval · Computer Science 2020-07-31 Diyah Puspitaningrum

Relation extraction (RE) is a crucial task in natural language processing (NLP) that aims to identify and classify relationships between entities mentioned in text. In the financial domain, relation extraction plays a vital role in…

Computation and Language · Computer Science 2023-07-24 Pawan Kumar Rajpoot , Ankur Parikh

Over 50 million scholarly articles have been published: they constitute a unique repository of knowledge. In particular, one may infer from them relations between scientific concepts, such as synonyms and hyponyms. Artificial neural…

Computation and Language · Computer Science 2017-04-06 Ji Young Lee , Franck Dernoncourt , Peter Szolovits

Relation classification is an important semantic processing task in the field of natural language processing. In this paper, we propose the task of relation classification for Chinese literature text. A new dataset of Chinese literature…

Computation and Language · Computer Science 2018-03-18 Ji Wen , Xu Sun , Xuancheng Ren , Qi Su

Relation extraction (RE) involves identifying the relations between entities from underlying content. RE serves as the foundation for many natural language processing (NLP) and information retrieval applications, such as knowledge graph…

Computation and Language · Computer Science 2024-06-25 Xiaoyan Zhao , Yang Deng , Min Yang , Lingzhi Wang , Rui Zhang , Hong Cheng , Wai Lam , Ying Shen , Ruifeng Xu

Relation extraction is essentially a text classification problem, which can be tackled by fine-tuning a pre-trained language model (LM). However, a key challenge arises from the fact that relation extraction cannot straightforwardly be…

Computation and Language · Computer Science 2024-10-03 Frank Mtumbuka , Steven Schockaert

Entity and relation extraction is a key task in information extraction, where the output can be used for downstream NLP tasks. Existing approaches for entity and relation extraction tasks mainly focus on the English corpora and ignore other…

Computation and Language · Computer Science 2023-01-12 Zixiang Wang , Jian Yang , Tongliang Li , Jiaheng Liu , Ying Mo , Jiaqi Bai , Longtao He , Zhoujun Li

Few-shot relation extraction aims to recognize novel relations with few labeled sentences in each relation. Previous metric-based few-shot relation extraction algorithms identify relationships by comparing the prototypes generated by the…

Computation and Language · Computer Science 2023-05-12 Zhongju Yuan , Zhenkun Wang , Genghui Li

Recursive neural networks (Tree-RNNs) based on dependency trees are ubiquitous in modeling sentence meanings as they effectively capture semantic relationships between non-neighborhood words. However, recognizing semantically dissimilar…

Computation and Language · Computer Science 2022-01-14 Jeena Kleenankandy , K A Abdul Nazeer