346 search results - page 25 / 70 » How good is a span of terms |
158
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CIVR
2007
Springer
16 years 5 hour ago
2007
Springer
This paper describes an efficient approach to image annotation. It ranked first on the recent scene categorization track of the ImagEVAL1 benchmark. We show how homogeneous globa...
164
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DIS
2007
Springer
16 years 2 hour ago
2007
Springer
We propose an unsupervised method for detecting spam documents from Web page data, based on equivalence relations on strings. We propose 3 measures for quantifying the alienness (...
160
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SPAA
2005
ACM
15 years 11 months ago
2005
ACM
We prove that with high probability a skip graph contains a 4-regular expander as a subgraph, and estimate the quality of the expansion via simulations. As a consequence skip grap...
184
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DL
1999
Springer
15 years 10 months ago
1999
Springer
Keyphrases provide semantic metadata that summarize and characterize documents. This paper describes Kea, an algorithm for automatically extracting keyphrases from text. Kea ident...
164
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GECCO
2006
Springer
15 years 9 months ago
2006
Springer
In this paper, we describe how a genetic algorithm approach added to a simulated annealing (SA) process offers a better alternative to find the mean variance frontier in the portf...