1184 search results - page 149 / 237 » Performance evaluation of a firm real-time database system |
ICDE
2010
IEEE
13 years 9 months ago
2010
IEEE
— A recent trend for data-intensive computations is to use pay-as-you-go execution environments that scale transparently to the user. However, providers of such environments must...
CLEF
2009
Springer
13 years 7 months ago
2009
Springer
The large-scale visual concept detection and annotation task (LS-VCDT) in ImageCLEF 2009 aims at the detection of 53 concepts in consumer photos. These concepts are structured in ...
EDBT
2004
ACM
14 years 2 months ago
2004
ACM
Abstract. We present a cost-based adaptive clustering method to improve average performance of spatial queries (intersection, containment, enclosure queries) over large collections...
VLDB
1994
ACM
14 years 1 months ago
1994
ACM
In this paper we address the problem of devising a set of indexes for a nested object hierarchy in an object-oriented database to improve the overall system performance. It is not...
EDBT
2012
ACM
11 years 11 months ago
2012
ACM
With the popularization of GPS-enabled devices there is an increasing interest for location-based queries. In this context, one interesting problem is processing top-k spatial key...