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As a crucial step in extractive document summarization, learning cross-sentence relations has been explored by a plethora of approaches. An intuitive way is to put them in the graph-based neural network, which has a more complex structure…

Computation and Language · Computer Science 2020-04-28 Danqing Wang , Pengfei Liu , Yining Zheng , Xipeng Qiu , Xuanjing Huang

Document-level relation extraction aims to discover relations between entities across a whole document. How to build the dependency of entities from different sentences in a document remains to be a great challenge. Current approaches…

Computation and Language · Computer Science 2021-03-16 Jiaxin Pan , Min Peng , Yiyan Zhang

Automatic text summarization methods generate a shorter version of the input text to assist the reader in gaining a quick yet informative gist. Existing text summarization methods generally focus on a single aspect of text when selecting…

Information Retrieval · Computer Science 2021-02-22 Ensieh Davoodijam , Nasser Ghadiri , Maryam Lotfi Shahreza , Fabio Rinaldi

Extracting entities and their relations from text is an important task for understanding massive text corpora. Open information extraction (IE) systems mine relation tuples (i.e., entity arguments and a predicate string to describe their…

Computation and Language · Computer Science 2018-12-04 Qi Zhu , Xiang Ren , Jingbo Shang , Yu Zhang , Ahmed El-Kishky , Jiawei Han

Relation Extraction (RE) aims to label relations between groups of marked entities in raw text. Most current RE models learn context-aware representations of the target entities that are then used to establish relation between them. This…

Computation and Language · Computer Science 2019-02-26 Gaurav Singh , Parminder Bhatia

Identifying relationships between concepts is a key aspect of scientific knowledge synthesis. Finding these links often requires a researcher to laboriously search through scien- tific papers and databases, as the size of these resources…

Computation and Language · Computer Science 2016-02-12 Stephanie L. Hyland , Theofanis Karaletsos , Gunnar Rätsch

Relation Extraction is an important task in Information Extraction which deals with identifying semantic relations between entity mentions. Traditionally, relation extraction is carried out after entity extraction in a "pipeline" fashion,…

Computation and Language · Computer Science 2021-03-11 Sachin Pawar , Pushpak Bhattacharyya , Girish K. Palshikar

Relation extraction task is a crucial and challenging aspect of Natural Language Processing. Several methods have surfaced as of late, exhibiting notable performance in addressing the task; however, most of these approaches rely on vast…

Computation and Language · Computer Science 2023-08-25 Fréjus A. A. Laleye , Loïc Rakotoson , Sylvain Massip

Most current extractive summarization models generate summaries by selecting salient sentences. However, one of the problems with sentence-level extractive summarization is that there exists a gap between the human-written gold summary and…

Computation and Language · Computer Science 2020-11-20 Ruifeng Yuan , Zili Wang , Wenjie Li

An exhaustive study has been conducted to investigate span-based models for the joint entity and relation extraction task. However, these models sample a large number of negative entities and negative relations during the model training,…

Computation and Language · Computer Science 2022-08-19 Bin Ji , Hao Xu , Jie Yu , Shasha Li , Jun Ma , Yuke Ji , Huijun Liu

Disease name recognition and normalization, which is generally called biomedical entity linking, is a fundamental process in biomedical text mining. Recently, neural joint learning of both tasks has been proposed to utilize the mutual…

Computation and Language · Computer Science 2021-04-22 Shogo Ujiie , Hayate Iso , Shuntaro Yada , Shoko Wakamiya , Eiji Aramaki

Extracting entities and relations for types of interest from text is important for understanding massive text corpora. Traditionally, systems of entity relation extraction have relied on human-annotated corpora for training and adopted an…

Computation and Language · Computer Science 2017-06-06 Xiang Ren , Zeqiu Wu , Wenqi He , Meng Qu , Clare R. Voss , Heng Ji , Tarek F. Abdelzaher , Jiawei Han

The recent advancement of pre-trained Transformer models has propelled the development of effective text mining models across various biomedical tasks. However, these models are primarily learned on the textual data and often lack the…

Computation and Language · Computer Science 2021-07-02 Sriram Pingali , Shweta Yadav , Pratik Dutta , Sriparna Saha

Originally designed to model text, topic modeling has become a powerful tool for uncovering latent structure in domains including medicine, finance, and vision. The goals for the model vary depending on the application: in some cases, the…

Machine Learning · Statistics 2014-11-24 Finale Doshi-Velez , Byron Wallace , Ryan Adams

In many domains we have witnessed the need to search a large entity-relation graph for direct and indirect relationships between a set of entities specified in a query. A search result, called a semantic association (SA), is typically a…

Information Retrieval · Computer Science 2020-02-25 Shuxin Li , Gong Cheng , Chengkai Li

Extracting structured clinical information from free-text radiology reports can enable the use of radiology report information for a variety of critical healthcare applications. In our work, we present RadGraph, a dataset of entities and…

Sentence ordering is to restore the original paragraph from a set of sentences. It involves capturing global dependencies among sentences regardless of their input order. In this paper, we propose a novel and flexible graph-based neural…

Computation and Language · Computer Science 2019-12-17 Yongjing Yin , Linfeng Song , Jinsong Su , Jiali Zeng , Chulun Zhou , Jiebo Luo

Analyzing interconnection structures among underlying entities or objects in a dataset through the use of graph analytics has been shown to provide tremendous value in many application domains. However, graphs are not the primary…

Databases · Computer Science 2017-02-14 Konstantinos Xirogiannopoulos , Amol Deshpande

Relation extraction is a type of information extraction task that recognizes semantic relationships between entities in a sentence. Many previous studies have focused on extracting only one semantic relation between two entities in a single…

Computation and Language · Computer Science 2021-03-08 Seongsik Park , Harksoo Kim

Information extraction techniques, including named entity recognition (NER) and relation extraction (RE), are crucial in many domains to support making sense of vast amounts of unstructured text data by identifying and connecting relevant…

Computation and Language · Computer Science 2024-01-17 Mingjie Li , Karin Verspoor