'Ij tf ij idf' diaporamas de présentation

Text Mining Dr. Tao Li Florida International University

Text Mining Dr. Tao Li Florida International University. Outline. Introduction Pre-processing Retrieval Models Latent Semantic analysis. Why Text?. Significant proportion of information of great potential value is stored in documents:

875 views • 87 slides

Web Information Retrieval

Web Information Retrieval. Web Science Course. What to Expect. Information Retrieval Basics IR Systems History of IR Retrieval Models Vector Space Model Information Retrieval on the Web Differences to traditional IR Selected Papers. Information Retrieval Basics.

774 views • 45 slides

Web Information Retrieval

Web Information Retrieval. Web Science Course. What to Expect. Information Retrieval Basics IR Systems History of IR Retrieval Models Vector Space Model Information Retrieval on the Web Differences to traditional IR Selected Papers. Information Retrieval Basics.

481 views • 45 slides

CS 430: Information Discovery

382 views • 29 slides

Text Categorization

Text Categorization. Text Categorization. Assigning documents to a fixed set of categories. Applications: Web pages Recommending Yahoo-like classification Newsgroup Messages Recommending spam filtering News articles Personalized newspaper Email messages Routing Prioritizing

272 views • 27 slides