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Joseph Wilk » Latent Semantic Analysis in Python
Latent Semantic Analysis (LSA) is a mathematical method that tries to bring out latent relationships within a collection of documents. Rather than looking at each document isolated from the others it looks at all the documents as a whole and the terms within them to identify relationships.
2008
Joseph Wilk » Latent Semantic Analysis in Python
Reinvented Software releases Together 2.2 - The Unofficial Apple Weblog (TUAW)
Latent Semantic Mapping, which is built into Mac OS X, and is used by Mail.app to check for junk mail. As with Mail, it's possible the matches won't always be right, so if you change the tags on a document, Together will learn from that and in future, auto-tagging should be more accurate"
Data-mining detects the disaffected | Military Tech - Mark Rutherford looks at how the military merges with the digital age - CNET Blogs
The technology, based on something called Probabilistic Latent Semantic Indexing (PDF), scours an organization's e-mail traffic and constructs a graph of social network interactions illustrating employee activity. If a worker suddenly stops socializing online, abruptly shifts alliances within the organization, or starts developing an unhealthy interest in "sensitive topics," the system detects it and alerts investigators.
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