摘要
针对现有本体用户模型的难点与不足,提出了一种改进的基于领域本体的用户模型(OBUM),利用文本挖掘技术构建领域本体,通过本体学习来完成用户模型的学习和更新。
As a conceptualized model for the specific domain, ontology can explicitly describe concepts and their relationships, and be used for semantics expansion and inference. Currently some user models based on ontology have emerged. But there are some limitations and shortcomings. A new Ontology-based user model has been proposed, which constructs the domain ontology by text mining, and updates user model by ontology learning.
出处
《计算机应用》
CSCD
北大核心
2007年第10期2504-2507,共4页
journal of Computer Applications
关键词
用户模型
本体
文本挖掘
本体投影
本体归并
user model
Ontology
text mining
Ontology project
Ontology merge