...Chuanming Yu; Zhengang Zhang; Lu An; Gang Li Purpose In recent years, knowledge graph completion has gained increasing research focus and shown significant improvements. However, most existing models only use the structures of knowledge graph triples when obtaining the entity and relationship...

...Guo Chen; Jiabin Peng; Tianxiang Xu; Lu Xiao Purpose Problem-solving” is the most crucial key insight of scientific research. This study focuses on constructing the “problem-solving” knowledge graph of scientific domains by extracting four entity relation types: problem-solving, problem hierarchy...