10820 search results - page 1805 / 2164 » Understanding |
201
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SACMAT
2009
ACM
16 years 1 months ago
2009
ACM
Role based access control (RBAC) is a widely used access control paradigm. In large organizations, the RBAC policy is managed by multiple administrators. An administrative role ba...
202
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SACMAT
2009
ACM
16 years 1 months ago
2009
ACM
Many access control policy languages, e.g., XACML, allow a policy to contain multiple sub-policies, and the result of the policy on a request is determined by combining the result...
181
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SIGDOC
2009
ACM
16 years 1 months ago
2009
ACM
Texts are the media content primarily available on Web sites and applications. However, this heavy use of texts creates an accessibility barrier to those who cannot read fluently...
185
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SIGECOM
2009
ACM
16 years 1 months ago
2009
ACM
There is significant experimental evidence that prediction markets are efficient mechanisms for aggregating information and are more accurate in forecasting events than tradition...
201
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SIGGRAPH
2009
ACM
16 years 1 months ago
2009
ACM
Spectral methods for mesh processing and analysis rely on the eigenvalues, eigenvectors, or eigenspace projections derived from appropriately defined mesh operators to carry out ...