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Yousef Saad Department Of Computer Science And Engineering

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Average retrieval precision<br />

average precision<br />

0.9<br />

0.8<br />

0.7<br />

0.6<br />

0.5<br />

0.4<br />

0.3<br />

0.2<br />

0.1<br />

Med dataset<br />

Med<br />

0<br />

0 50 100 150 200 250 300<br />

iterations<br />

lanczos<br />

tsvd<br />

lanczos−rf<br />

tsvd−rf<br />

Cran dataset<br />

Retrieval precision comparisons<br />

average precision<br />

0.9<br />

0.8<br />

0.7<br />

0.6<br />

0.5<br />

0.4<br />

0.3<br />

0.2<br />

0.1<br />

Cran<br />

0<br />

0 100 200 300 400 500 600<br />

iterations<br />

lanczos<br />

tsvd<br />

lanczos−rf<br />

tsvd−rf<br />

CSE Colloquium 11/09/09 p. 54

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