Document-term matrix: Difference between revisions

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Improving search results: disambiguate disambiguation
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==Applications==
===Improving search results===
[[Latent semantic analysis]] (LSA, performing [[eigenvalue decomposition]] on the document-term matrix) can improve search results by [[word-sense disambiguation|disambiguating]] [[polysemy|polysemous words]] and searching for [[synonym]]s of the query. However, searching in the high-dimensional continuous space is much slower than searching the standard [[trie]] data structure of search engines.
 
===Finding topics===