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ICWL
2004
Springer
15 years 9 months ago
CUBES: Providing Flexible Learning Environment for Virtual Universities
Abstract. To enable an online virtual university, a learning environment covering the entire spectrum of the learning and management process is required. However, constructing such...
Peifeng Xiang, Yuanchun Shi, Weijun Qin, Xin Xiang
PODS
2010
ACM
205views Database» more  PODS 2010»
15 years 9 months ago
Positive higher-order queries
We investigate a higher-order query language that embeds operators of the positive relational algebra within the simply-typed λ-calculus. Our language allows one to succinctly de...
Michael Benedikt, Gabriele Puppis, Huy Vu
ECRTS
2002
IEEE
15 years 9 months ago
Scope-Tree: A Program Representation for Symbolic Worst-Case Execution Time Analysis
Most WCET analysis techniques only provide an upper bound on the worst case execution time as a constant value. However, it often appears that the execution time of a piece of cod...
Antoine Colin, Guillem Bernat
NDSS
2002
IEEE
15 years 9 months ago
An Analysis of the Degradation of Anonymous Protocols
There have been a number of protocols proposed for anonymous network communication. In this paper we investigate attacks by corrupt group members that degrade the anonymity of eac...
Matthew Wright, Micah Adler, Brian Neil Levine, Cl...
LATA
2010
Springer
15 years 8 months ago
Simplifying Regular Expressions. A Quantitative Perspective
Abstract. We consider the efficient simplification of regular expressions and suggest a quantitative comparison of heuristics for simplifying regular expressions. To this end, we...
Hermann Gruber and Stefan Gulan