The Rocchio algorithm for relevance feedback

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The Rocchio algorithm for relevance feedback

The Rocchio Algorithm is the classic algorithm for implementing relevance feedback. It models a way of incorporating relevance feedback information into the vector space model of Section 6.3 .

**Figure 9.3:** The Rocchio optimal query for separating relevant and nonrelevant documents.
$\includegraphics[totalheight=2.5in]{RocchioOptimal.eps}$

Subsections

- The underlying theory.
- The Rocchio (1971) algorithm.

© 2008 Cambridge University Press
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2009-04-07