A semantic session analysis method partitioning Web usage logs is presented．Semantic W eb usage log preparation model enhances usage logs with semantic．The M arkov chain mode1 based on ontology semantic measurement is used to identi． ing which ac

Ontology1.ppt.rarStuder 等人的 Ontology 定义包含四层含义：概念模型(Conceptualization)、明确(Explicit)、形式化(Formal)和共享(Share)。“-Natural Language Processing (NLP) addresses the problems of automated understanding and generation of natural human languages. The former ident

Formal Ontology and Information Systems

讲述概念格算法和本体算法，用于过滤URLs，指导爬虫进行搜索。-A concept lattice algorithm and ontology algorithm are used to filter the URLs and guide the crawler to search.