01 January 2007

Latent Semantic Indexing (LSI)

LSI can be used to answer specific information requests and to monitor new information for user interests. LSI can retrieve relevant information that does not contain query words, so it finds more relevant information than other search engine methods.

LSI is the only known method for cross-language retrieval that does not require translation of user queries or information, so queries in one language can effectively retrieve information in the same or different languages.

Google currently uses this algorithm to return search results. Is this method better than keyword matching?

Let me know your thoughts on this . . .

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