中文
相关论文

相关论文: A Relational Triple Extraction Method Based on Fea…

200 篇论文

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…

计算与语言 · 计算机科学 2021-03-24 Zexuan Zhong , Danqi Chen

Temporal information extraction plays a critical role in natural language understanding. Previous systems have incorporated advanced neural language models and have successfully enhanced the accuracy of temporal information extraction…

计算与语言 · 计算机科学 2022-01-19 Bo-Ying Su , Shang-Ling Hsu , Kuan-Yin Lai , Amarnath Gupta

In the last few years, the interest in knowledge bases has grown exponentially in both the research community and the industry due to their essential role in AI applications. Entity alignment is an important task for enriching knowledge…

人工智能 · 计算机科学 2022-05-09 Rui Zhang , Bayu Distiawan Trisedy , Miao Li , Yong Jiang , Jianzhong Qi

Handling missing values in training datasets for constructing learning models or extracting useful information is considered to be an important research task in data mining and knowledge discovery in databases. In recent years, lot of…

数据库 · 计算机科学 2009-04-22 Shariq Bashir , Saad Razzaq , Umer Maqbool , Sonya Tahir , Abdul Rauf Baig

Obtaining an explicit understanding of communication within a Hybrid Intelligence collaboration is essential to create controllable and transparent agents. In this paper, we describe a number of Natural Language Understanding models that…

计算与语言 · 计算机科学 2024-12-25 Piek Vossen , Selene Báez Santamaría , Lenka Bajčetić , Thomas Belluci

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…

计算与语言 · 计算机科学 2020-03-05 Pengfei Li , Kezhi Mao , Xuefeng Yang , Qi Li

In this paper, we propose a novel method for joint entity and relation extraction from unstructured text by framing it as a conditional sequence generation problem. In contrast to conventional generative information extraction models that…

计算与语言 · 计算机科学 2024-01-17 Urchade Zaratiana , Nadi Tomeh , Pierre Holat , Thierry Charnois

This paper presents an end-to-end system for fact extraction and verification using textual and tabular evidence, the performance of which we demonstrate on the FEVEROUS dataset. We experiment with both a multi-task learning paradigm to…

计算与语言 · 计算机科学 2021-09-28 Neema Kotonya , Thomas Spooner , Daniele Magazzeni , Francesca Toni

Information extraction from semi-structured webpages provides valuable long-tailed facts for augmenting knowledge graph. Relational Web tables are a critical component containing additional entities and attributes of rich and diverse…

信息检索 · 计算机科学 2021-02-19 Daheng Wang , Prashant Shiralkar , Colin Lockard , Binxuan Huang , Xin Luna Dong , Meng Jiang

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…

计算与语言 · 计算机科学 2023-08-25 Fréjus A. A. Laleye , Loïc Rakotoson , Sylvain Massip

Entity extraction is a key technology for obtaining information from massive texts in natural language processing. The further interaction between them does not meet the standards of human reading comprehension, thus limiting the…

计算与语言 · 计算机科学 2021-08-23 Xiaobo Jiang , Kun He , Jiajun He , Guangyu Yan

Relation extraction is an important task in knowledge acquisition and text understanding. Existing works mainly focus on improving relation extraction by extracting effective features or designing reasonable model structures. However, few…

计算与语言 · 计算机科学 2021-04-08 Jiayang Cheng , Haiyun Jiang , Deqing Yang , Yanghua Xiao

Document-level Relation Extraction (DRE) aims to recognize the relations between two entities. The entity may correspond to multiple mentions that span beyond sentence boundary. Few previous studies have investigated the mention…

计算与语言 · 计算机科学 2022-01-14 Chao Zhao , Daojian Zeng , Lu Xu , Jianhua Dai

Knowledge graphs are widely used as a typical resource to provide answers to factoid questions. In simple question answering over knowledge graphs, relation extraction aims to predict the relation of a factoid question from a set of…

计算与语言 · 计算机科学 2020-07-07 Amin Abolghasemi , Saeedeh Momtazi

To minimize the accelerating amount of time invested in the biomedical literature search, numerous approaches for automated knowledge extraction have been proposed. Relation extraction is one such task where semantic relations between the…

计算与语言 · 计算机科学 2020-09-22 Shweta Yadav , Srivatsa Ramesh , Sriparna Saha , Asif Ekbal

Relation extraction is the task of identifying relation instance between two entities given a corpus whereas Knowledge base modeling is the task of representing a knowledge base, in terms of relations between entities. This paper proposes…

计算与语言 · 计算机科学 2020-11-20 Xiaoyu Chen , Rohan Badlani

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…

计算与语言 · 计算机科学 2023-01-12 Zixiang Wang , Jian Yang , Tongliang Li , Jiaheng Liu , Ying Mo , Jiaqi Bai , Longtao He , Zhoujun Li

Extracting aspect-polarity pairs from texts is an important task of fine-grained sentiment analysis. While the existing approaches to this task have gained many progresses, they are limited at capturing relationships among aspect-polarity…

计算与语言 · 计算机科学 2021-09-02 Lingmei Bu , Li Chen , Yongmei Lu , Zhonghua Yu

The idea of using multi-task learning approaches to address the joint extraction of entity and relation is motivated by the relatedness between the entity recognition task and the relation classification task. Existing methods using…

计算与语言 · 计算机科学 2020-09-18 Kai Sun , Richong Zhang , Samuel Mensah , Yongyi Mao , Xudong Liu

Recently, knowledge graph embedding, which projects symbolic entities and relations into continuous vector space, has become a new, hot topic in artificial intelligence. This paper addresses a new issue of multiple relation semantics that a…

计算与语言 · 计算机科学 2017-09-11 Han Xiao , Minlie Huang , Yu Hao , Xiaoyan Zhu