Ian Barber's Blog: Alternative Term Weighting

Courtesy PHPDeveloper.org  Mon, 11/09/2009 - 12:24

In this new post from Ian Barber he takes a look at something that can come in very handy when you need something a bit more complex than the standard search results - term weighting.

The term weighting and ranking function is at the core of any information retrieval system.

The vector space model with the cosine similarity is maybe the best known and most widely used, but there are plenty of alternatives.

We're looking at two...


 

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