134 search results - page 11 / 27 » ccs 2004 |
VISSYM
2004
13 years 11 months ago
2004
This paper addresses the issue of how information visualization techniques can be used to assist full-text search in electronic documents. Our approach supports multiple term quer...
VISSYM
2004
13 years 11 months ago
2004
We present a framework for computing generalized distance transforms and skeletons of two-dimensional objects using graphics hardware. Our method is based on the concept of footpr...
CGF
2004
13 years 9 months ago
2004
Accurate and robust interference detection and ray-tracing of subdivision surfaces requires safe linear approximations. Approximation of the limit surface by the subdivided contro...
CCS
2004
ACM
14 years 3 months ago
2004
ACM
Access control can be used to ensure that database queries pertaining to sensitive information are not answered. This is not enough to prevent users from learning sensitive inform...
CCS
2004
ACM
14 years 3 months ago
2004
ACM
Comparing the expressive power of access control models is recognized as a fundamental problem in computer security. Such comparisons are generally based on simulations between di...