552 search results - page 50 / 111 » On the Complexity of Join Predicates |
PODS
2011
ACM
13 years 27 days ago
2011
ACM
In deletion propagation, tuples from the database are deleted in order to reflect the deletion of a tuple from the view. Such an operation may result in the (often necessary) del...
GRID
2003
Springer
14 years 3 months ago
2003
Springer
We are developing a grid information service, RGIS, that is based on the relational data model. RGIS supports complex queries written in SQL that search for compositions (using jo...
WETICE
1998
IEEE
14 years 2 months ago
1998
IEEE
Proposals for multicast security that have been published so far are complex, often require trust in network components or are inefficient. In this paper we propose a series of no...
ICCS
2003
Springer
14 years 3 months ago
2003
Springer
The exact enumeration of most interesting combinatorial problems has exponential computational complexity. The finite-lattice method reduces this complexity for most two-dimension...
WDAG
1998
Springer
14 years 2 months ago
1998
Springer
The paper addresses the problemof solving classic distributed algorithmic problems under the practical model of Broadcast Communication Networks. Our main result is a new Leader El...