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相关论文: Knowledge-based Extraction of Cause-Effect Relatio…

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The task of Emotion-Cause Pair Extraction (ECPE) aims to extract all potential clause-pairs of emotions and their corresponding causes in a document. Unlike the more well-studied task of Emotion Cause Extraction (ECE), ECPE does not require…

计算与语言 · 计算机科学 2021-03-04 Aaditya Singh , Shreeshail Hingane , Saim Wani , Ashutosh Modi

Emotion-Cause Pair Extraction in Conversations (ECPEC) aims to identify the set of causal relations between emotion utterances and their triggering causes within a dialogue. Most existing approaches formulate ECPEC as an independent…

计算与语言 · 计算机科学 2026-04-22 Tianxiang Ma , Weijie Feng , Xinyu Wang , Zhiyong Cheng

Biomedical events describe complex interactions between various biomedical entities. Event trigger is a word or a phrase which typically signifies the occurrence of an event. Event trigger identification is an important first step in all…

计算与语言 · 计算机科学 2017-05-29 Patchigolla V S S Rahul , Sunil Kumar Sahu , Ashish Anand

Emotion-cause pair extraction (ECPE), an emerging task in sentiment analysis, aims at extracting pairs of emotions and their corresponding causes in documents. This is a more challenging problem than emotion cause extraction (ECE), since it…

计算与语言 · 计算机科学 2021-04-16 Qixuan Sun , Yaqi Yin , Hong Yu

Text mining is a process of extracting information of interest from text. Such a method includes techniques from various areas such as Information Retrieval (IR), Natural Language Processing (NLP), and Information Extraction (IE). In this…

信息检索 · 计算机科学 2015-07-10 Santosh Tirunagari

Overall, the two main contributions of this work include the application of sentence simplification to association extraction as described above, and the use of distributional semantics for concept extraction. The proposed work on concept…

计算与语言 · 计算机科学 2011-09-13 Siddhartha Jonnalagadda

In Track-1 of the BioCreative VII Challenge participants are asked to identify interactions between drugs/chemicals and proteins. In-context named entity annotations for each drug/chemical and protein are provided and one of fourteen…

计算与语言 · 计算机科学 2021-12-01 Virginia Adams , Hoo-Chang Shin , Carol Anderson , Bo Liu , Anas Abidin

Curation of biomedical knowledge bases (KBs) relies on extracting accurate multi-entity relational facts from the literature - a process that remains largely manual and expert-driven. An essential step in this workflow is retrieving…

信息检索 · 计算机科学 2025-04-16 Xing David Wang , Ulf Leser

The web contains countless semi-structured websites, which can be a rich source of information for populating knowledge bases. Existing methods for extracting relations from the DOM trees of semi-structured webpages can achieve high…

人工智能 · 计算机科学 2018-04-13 Colin Lockard , Xin Luna Dong , Arash Einolghozati , Prashant Shiralkar

Joint-event-extraction, which extracts structural information (i.e., entities or triggers of events) from unstructured real-world corpora, has attracted more and more research attention in natural language processing. Most existing works do…

计算与语言 · 计算机科学 2020-10-15 Yue Wang , Zhuo Xu , Lu Bai , Yao Wan , Lixin Cui , Qian Zhao , Edwin R. Hancock , Philip S. Yu

We introduce an explainability method for biomedical hypothesis generation systems, built on top of the novel Hypothesis Generation Context Retriever framework. Our approach combines semantic graph-based retrieval and relevant…

信息检索 · 计算机科学 2025-11-11 Ilya Tyagin , Saeideh Valipour , Aliaksandra Sikirzhytskaya , Michael Shtutman , Ilya Safro

Extracting relations from scientific literature is a fundamental task in biomedical NLP because entities and relations among them drive hypothesis generation and knowledge discovery. As literature grows rapidly, relation extraction (RE) is…

计算与语言 · 计算机科学 2026-01-15 Aviv Brokman , Xuguang Ai , Yuhang Jiang , Shashank Gupta , Ramakanth Kavuluru

Emotion-Cause Pair Extraction (ECPE) is a complex yet popular area in Natural Language Processing due to its importance and potential applications in various domains. In this report , we aim to present our work in ECPE in the domain of…

计算与语言 · 计算机科学 2021-12-09 Arpit Mittal , Jeel Tejaskumar Vaishnav , Aishwarya Kaliki , Nathan Johns , Wyatt Pease

Successful biomedical relation extraction can provide evidence to researchers and clinicians about possible unknown associations between biomedical entities, advancing the current knowledge we have about those entities and their inherent…

信息检索 · 计算机科学 2020-04-22 Diana Sousa , Francisco M. Couto

Joint entity-relation extraction is a critical task in transforming unstructured or semi-structured text into triplets, facilitating the construction of large-scale knowledge graphs, and supporting various downstream applications. Despite…

计算与语言 · 计算机科学 2025-02-14 Danni Feng , Runzhi Li , Jing Wang , Siyu Yan , Lihong Ma , Yunli Xing

Automatic extraction of clinical concepts is an essential step for turning the unstructured data within a clinical note into structured and actionable information. In this work, we propose a clinical concept extraction model for automatic…

计算与语言 · 计算机科学 2018-11-28 Henghui Zhu , Ioannis Ch. Paschalidis , Amir Tahmasebi

Background : Knowledge is evolving over time, often as a result of new discoveries or changes in the adopted methods of reasoning. Also, new facts or evidence may become available, leading to new understandings of complex phenomena. This is…

计算与语言 · 计算机科学 2023-04-24 Ayoub Harnoune , Maryem Rhanoui , Mounia Mikram , Siham Yousfi , Zineb Elkaimbillah , Bouchra El Asri

Knowledge about entities and their interrelations is a crucial factor of success for tasks like question answering or text summarization. Publicly available knowledge graphs like Wikidata or DBpedia are, however, far from being complete. In…

信息检索 · 计算机科学 2021-02-16 Nicolas Heist , Heiko Paulheim

Relation extraction (RE) is a fundamental task in natural language processing, aiming to identify relations between target entities in text. While many RE methods are designed for a single sentence or document, cross-document RE has emerged…

计算与语言 · 计算机科学 2024-06-03 Byeonghu Na , Suhyeon Jo , Yeongmin Kim , Il-Chul Moon

Existing datasets for relation classification and extraction often exhibit limitations such as restricted relation types and domain-specific biases. This work presents a generic framework to generate well-structured sentences from given…

信息检索 · 计算机科学 2024-12-31 Mansi , Pranshu Pandya , Mahek Bhavesh Vora , Soumya Bharadwaj , Ashish Anand