29908 search results - page 141 / 5982 » On the Complexity of |
147
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ECAL
2007
Springer
16 years 19 days ago
2007
Springer
A long standing debate within ecology is to what extent ecosystem complexity and stability are related. Landmark theoretical studies claimed that the more complex an ecosystem, the...
185
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IBPRIA
2007
Springer
16 years 19 days ago
2007
Springer
Abstract. The challenge of interest point detectors is to find, in an unsupervised way, keypoints easy to extract and at the same time robust to image transformations. In this pap...
176
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ICALP
2007
Springer
16 years 19 days ago
2007
Springer
Abstract. We study – within the framework of propositional proof complexity – the problem of certifying unsatisfiability of CNF formulas under the promise that any satisfiabl...
161
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NLDB
2007
Springer
16 years 18 days ago
2007
Springer
In this paper, we propose methods and heuristics having high accuracies and low time complexities for filtering spam e-mails. The methods are based on the n-gram approach and a heu...
160
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WADS
2007
Springer
16 years 17 days ago
2007
Springer
Building on the work of Martinetz, Schulten and de Silva, Carlsson, we introduce a 2-parameter family of witness complexes and algorithms for constructing them. This family can be ...