935 search results - page 20 / 187 » Performance Evaluation of Multiversion Database Systems |
DLOG
2007
13 years 10 months ago
2007
Abstract. The DL implementation group (DIG) has specified a common interface for description logic reasoner. While the original intention was to make it easier for other tools to ...
IDEAS
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we present our work on evaluating the skyline algorithms BNL, SFS, and a variant of LESS in PostgreSQL. It is well known that the performance of skyline queries is ...
ICDE
1993
IEEE
13 years 12 months ago
1993
IEEE
In order to obtain the performance required for nonstandard database environments, we need suitable storage structures for complex objects. I n this paper we use an hierarchical c...
JSS
2002
13 years 7 months ago
2002
Although many efficient concurrency control protocols have been proposed for real-time database systems, they are mainly designed for the systems with a single type of real-time t...
SIGMOD
2008
ACM
13 years 7 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...