Improved relation extraction through key phrase identification using community detection on dependency trees

• Published in: Computer speech & language Vol. 89; p. 101706
• Main Authors: Liu, Shuang, Chen, Xunqin, Meng, Jiana, Lukač, Niko
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.01.2025
• Subjects: Community detection algorithms; Dependency trees; Relation extraction; Relation extraction; Community detection algorithms; Dependency trees

•Discovering phrases in text by using community detection algorithms on syntax dependency trees.•Enhancing entity and sentence representations with a hierarchical attention mechanism.•The importance of key phrase recognition in relation extraction tasks is proved by different feature extraction meth...