109 search results - page 16 / 22 » Towards an Effective Calculus for Object Query Languages |
PODS
1994
ACM
13 years 11 months ago
1994
ACM
Traditionally, computational complexity has considered only static problems. Classical Complexity Classes such as NC, P, and NP are de ned in terms of the complexity of checking {...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Several application contexts require the ability to use together and compare different geographic datasets (maps) concerning the same or overlapping areas. This is for example the...
INFSOF
2006
13 years 7 months ago
2006
The parametric data model captures an object in terms of a single tuple. This feature eliminates unnecessary self-join operations to combine tuples scattered in a temporal relatio...
PLDI
2005
ACM
14 years 1 months ago
2005
ACM
We introduce a language and system that supports definition and composition of complex run-time security policies for Java applications. Our policies are comprised of two sorts o...
JMLC
2000
Springer
13 years 11 months ago
2000
Springer
Most object-oriented languages offer a limited number of invocation semantics. At best, they define a default mode of synchronous invocation, plus some keywords to express addition...