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Label-Guided relation prototype generation for Continual Relation Extraction [PDF]

open access: yesPeerJ Computer Science
Continual relation extraction (CRE) aims to extract relations towards the continuous and iterative arrival of new data. To address the problem of catastrophic forgetting, some existing research endeavors have focused on exploring memory replay methods by
Shuang Liu   +3 more
doaj   +3 more sources

Biomedical Relationship Extraction Method Based on Prompt Learning [PDF]

open access: yesJisuanji kexue, 2023
Extracting the relationship between entities from unstructured biomedical text data is of great significance for the development of biomedical informatization.At the same time,it is also a research hotspot in the field of natural language processing.At ...
WEN Kunjian, CHEN Yanping, HUANG Ruizhang, QIN Yongbin
doaj   +1 more source

Joint extraction of entities and relations by entity role recognition

open access: yesCognitive Robotics, 2022
Joint extracting entities and relations from unstructured text is a fundamental task in information extraction and a key step in constructing large knowledge graphs, entities and relations are constructed as relational triples of the form (subject ...
Xi Han, Qi-Ming Liu
doaj   +1 more source

Conserving Semantic Unit Information and Simplifying Syntactic Constituents to Improve Implicit Discourse Relation Recognition

open access: yesEntropy, 2023
Implicit discourse relation recognition (IDRR) has long been considered a challenging problem in shallow discourse parsing. The absence of connectives makes such relations implicit and requires much more effort to understand the semantics of the text ...
Zhongyang Fang   +5 more
doaj   +1 more source

A Study on Double-Headed Entities and Relations Prediction Framework for Joint Triple Extraction

open access: yesMathematics, 2023
Relational triple extraction, a fundamental procedure in natural language processing knowledge graph construction, assumes a crucial and irreplaceable role in the domain of academic research related to information extraction.
Yanbing Xiao   +6 more
doaj   +1 more source

Chinese Relation Extraction Using Extend Softword

open access: yesIEEE Access, 2021
In recent years, many scholars have chosen to use word lexicons to incorporate word information into a model based on character input to improve the performance of Chinese relation extraction (RE). For example, Li et al.
Bo Kong   +4 more
doaj   +1 more source

Exploiting sequence labeling framework to extract document-level relations from biomedical texts

open access: yesBMC Bioinformatics, 2020
Background Both intra- and inter-sentential semantic relations in biomedical texts provide valuable information for biomedical research. However, most existing methods either focus on extracting intra-sentential relations and ignore inter-sentential ones
Zhiheng Li   +5 more
doaj   +1 more source

Automatic Information Extraction in the Third-Generation Semiconductor Materials Domain Based on DKNet and MANet

open access: yesIEEE Access, 2022
The third-generation semiconductor materials (TGSMs) is a frontier scientific domain, where researchers need to consult extensive literature for the entity information on materials, devices, preparation methods, and experimental performances, and sort ...
Xiaobo Jiang, Kun He, Borui Yang
doaj   +1 more source

Exploring a Multi-Layered Cross-Genre Corpus of Document-Level Semantic Relations

open access: yesInformation, 2023
This paper introduces a multi-layered cross-genre corpus, annotated for coreference resolution, causal relations, and temporal relations, comprising a variety of genres, from news articles and children’s stories to Reddit posts.
Gregor Williamson   +5 more
doaj   +1 more source

Extracting Events and Their Relations from Texts: A Survey on Recent Research Progress and Challenges

open access: yesAI Open, 2020
Event is a common but non-negligible knowledge type. How to identify events from texts, extract their arguments, even analyze the relations between different events are important for many applications.
Kang Liu   +4 more
doaj   +1 more source

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