514 search results - page 41 / 103 » On the Structure of Valiant's Complexity Classes |
ALGORITHMICA
2004
14 years 9 months ago
2004
Query answers from on-line databases can easily be corrupted by hackers or malicious database publishers. Thus it is important to provide mechanisms which allow clients to trust th...
JC
2000
14 years 9 months ago
2000
We rst review thebasic properties of the well knownclasses of Toeplitz, Hankel, Vandermonde, and other related structured matrices and reexamine their correlation to operations wi...
AI
2003
Springer
15 years 2 months ago
2003
Springer
Many AI tasks can be formalized as constraint satisfaction problems (CSPs), which involve finding values for variables subject to constraints. While solving a CSP is an NP-complet...
CVPR
2010
IEEE
15 years 3 months ago
2010
IEEE
We present a latent hierarchical structural learning method for object detection. An object is represented by a mixture of hierarchical tree models where the nodes represent objec...
SEMWEB
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. The increasing awareness of the benefits of ontologies for information processing has lead to the creation of a number of large ontologies about real world domains. The ...