3613 search results - page 22 / 723 » Estimating costs of a service |
DAIS
2011
13 years 1 months ago
2011
As location-based services on mobile devices are entering more and more everyday life, we are concerned in this paper with finding ways to master the level of quality of location ...
ISN
1995
Springer
14 years 1 months ago
1995
Springer
It has been demonstrated that the use of suitable metaphors in the user service interface can have a dramatic effect on the way in which the user perceives the services, depending ...
ADC
2004
Springer
14 years 3 months ago
2004
Springer
Web search engines crawl the web to fetch the data that they index. In this paper we re-examine that need, and evaluate the network costs associated with data acquisition, and alt...
WWW
2007
ACM
14 years 10 months ago
2007
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
23
Voted
ICDE
2007
IEEE
14 years 4 months ago
2007
IEEE
Most database query optimizers use cost models to identify good query execution plans. Inaccuracies in the cost models can cause query optimizers to select poor plans. In this pap...