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Weblogs are an important source of information that requires automatic techniques to categorize them into “topic-based” content, to facilitate their future browsing and retrieval. In this paper we propose and illustrate the effectiveness of a new tf. idf measure. The proposed Conf.idf, Catf.idf measures are solely based on the mapping of terms-to-concepts-to-categories (TCONCAT) method that utilizes...
Semantic information has been paid much attention in web IR. Although many researches have improved the retrieval performance by employing WordNet synset and concept, relations between concepts are often ignored by most of the semantic retrieval methods. We propose a relation enhanced concept vector model CRVM(concept-relation vector model) for document representation in this paper, and the documents...
Notice of Violation of IEEE Publication Principles"A Foundation for Knowledge System with Application in Information Retrieval and Knowledge Acquisition," by Zhi Teng, Ye Liu, Fuji Ren,in the Proceedings of the International Conference on Natural Language Processing and Knowledge Engineering, 2008. NLP-KE '08, Oct. 2008After careful and considered review of the content and authorship of...
The rapid growth of World Wide Web has urged the development of retrieval tools like search engines. Topical crawlers have gained large momentum in recent years. In this paper, a parallel web spider model, based on multi-agent system for cooperative information gathering is presented. The system collects Web pages that are on topic. The system employs two types of agents: retrieval and master agents...
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