Calculators Software to do latent semantic analysis

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To perform Latent Semantic Analysis (LSA) on a document-word matrix represented as a binary occurrence array, various software options are available. The LSA tool from the University of Colorado Boulder is suggested as a potential resource, as it may provide software downloads and relevant links for conducting LSA. Users can input their data into the software to effectively match a query document with a set of keywords against other documents in the matrix.
Adel Makram
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I have a document-word matrix and I need to do latent semantic analysis to match a query document with a set of key-words to the best possible match among other documents in the matrix. The matrix is in the form of documents-words occurrence array of 1 and 0 input. What is the best software I can use to do it by plugging my data and then doing my search?
 
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have you tried http://lsa.colorado.edu/ ?
Latent Semantic Analysis@ CU Boulder

They might have links to software downloads.
 
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