This paper describes issues encountered in the design and implementation of a parallel object-oriented database system. In particular, we find that the design of a client/server ...
: During the last fours years a consortium of universities, hospitals and commercial companies has been working together for the development of innovative systems and services for ...
Dimitri Konstantas, Richard Bults, Aart van Halter...
A recurring theme during the CODATA 2000 conference (Lake Maggiore, Italy, 15 - 19 October 2000) was the increasing convergence in data-rich branches of science between the storag...
atic presentation for a relational structure is, informally, an abstract representation of the elements of that structure by means of a regular language such that the relations ca...
Alan J. Cain, Graham P. Oliver, Nikola Ruskuc, Ric...
We study several properties of sets that are complete for NP. We prove that if L is an NP-complete set and S ⊇ L is a p-selective sparse set, then L − S is ≤p m-hard for NP....