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Joint Extraction Method for Chinese Entity Relationship Based on Bidirectional Semantics [PDF]

open access: yesJisuanji gongcheng, 2023
Existing Chinese entity relationship extraction methods typically use the semantic features of one-way relationships between entities for relationship extraction.However, using only one-way semantic features cannot fully utilize the semantic ...
YU Keqiang, HUANG Fang, WU Qi, OUYANG Yang
doaj   +1 more source

Knowledge Graph Entity Type Completion Based on Neighborhood Aggregation and CNN [PDF]

open access: yesJisuanji gongcheng, 2023
Existing entity type completion models of the knowledge graph solve the entity types missing in the knowledge graph by modeling entities and entity types.However, they do not effectively use the relationships between entities, which results in the poor ...
ZOU Changlong, AN Jingmin, LI Guanyu
doaj   +1 more source

A Joint Extraction Model for Entity Relationships Based on Span and Cascaded Dual Decoding

open access: yesEntropy, 2023
The entity–relationship joint extraction model plays a significant role in entity relationship extraction. The existing entity–relationship joint extraction model cannot effectively identify entity–relationship triples in overlapping relationships.
Tao Liao, Haojie Sun, Shunxiang Zhang
doaj   +1 more source

BERT-PAGG: a Chinese relationship extraction model fusing PAGG and entity location information [PDF]

open access: yesPeerJ Computer Science, 2023
Relationship extraction is one of the important tasks of constructing knowledge graph. In recent years, many scholars have introduced external information other than entities into relationship extraction models, which perform better than traditional ...
Bin Xu   +3 more
doaj   +2 more sources

Research on Entity and Relation Joint Extraction for Geological Domain [PDF]

open access: yesJisuanji gongcheng, 2023
Constructing a knowledge graph in the geological domain facilitates convenient and efficient sharing and utilization of multi-source geological knowledge, with the extraction of geological relation triples being of paramount importance.Aiming to address ...
WU Xueying, DUAN Youxiang, CHANG Lunjie, LI Shiyin, SUN Qifeng
doaj   +1 more source

Teaching Method for Entity–Relationship Models Based on Semantic Network Theory

open access: yesIEEE Access, 2022
Students in database courses often have difficulty learning entity–relationship (ER) modeling. According to semantic network theory, learning to construct an ER diagram for a database problem requires complex semantic transformations between the ...
Shin-Shing Shin
doaj   +1 more source

Entity Linking Method for Chinese Short Text Based on Siamese-Like Network

open access: yesInformation, 2022
Entity linking plays a fundamental role in knowledge engineering and data mining and is the basis of various downstream applications such as content analysis, relationship extraction, question and answer.
Yang Zhang, Jin Liu, Bo Huang, Bei Chen
doaj   +1 more source

Distantly Supervised Relationship Extraction Combined with Residual BiLSTM and Sentence Bag Attention [PDF]

open access: yesJisuanji gongcheng, 2022
Entity relationship extraction entails identifying the semantic relationship between entities from unstructured and programmed massive texts and can provide data support for ontology construction, intelligent retrieval, and other tasks.However, the ...
JIANG Xu, QIAN Xuezhong, SONG Wei
doaj   +1 more source

Study on Enhanced Entity Representation for Document-level Relation Extraction [PDF]

open access: yesJisuanji kexue, 2023
Document-level relation extraction is a hot and challenging issue in natural language processing.Graph-based model is one of the mainstream methods of document-level relation extraction.Although this method can effectively solve the long-distance ...
DING Xiaoyao, ZHOU Gang, LU Jicang, CHEN Jing
doaj   +1 more source

A Novel Joint Extraction Model for Entity Relations Using Interactive Encoding and Visual Attention

open access: yesIEEE Access, 2023
Relationship extraction is a fundamental task in natural language processing, with applications ranging from knowledge graph construction to information retrieval. Existing entity-relationship joint extraction models have made significant strides in this
Youren Yu   +3 more
doaj   +1 more source

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