What is Latent Semantic Analysis (LSI Indexing)?
Hello, just tell me about LSI Indexing. Feb 5th 2010 9:16 am #2 kundanmuskan78 View Profile View Forum Posts View Blog Entries View Articles Banned Join Date May 2009 Posts 22 Latent Semantic Indexing Latent Semantic Indexing (LSI) is an information retrieval method that organizes information into a semantic structure that takes advantage of some of the implicit higher-order associations of words with text objects. The resulting structure reflects the major associative patterns in the data while ignoring some of the smaller variations that may be due to idiosyncrasies in the word usage of individual documents. This permits retrieval based on the the “latent” semantic content of the documents rather than just on keyword matches. This paper evaluates using LSI for filtering information such as Netnews articles based on a model of user preferences for articles. Users judged articles on how interesting they were and based on these judgements, LSI predicted whether new articles would be jud
