1683 search results - page 280 / 337 » A Needed Narrowing Strategy |
BTW
2005
Springer
14 years 3 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
INEX
2005
Springer
14 years 3 months ago
2005
Springer
In this article the activities of the INEX 2005 Multimedia track are reported. We succesfully realized our objective, to provide an evaluation platform for the evaluation of retrie...
WAOA
2005
Springer
14 years 3 months ago
2005
Springer
Cellular telephony systems, where locations of mobile users are unknown at some times, are becoming more common. In such systems, mobile users are roaming in a zone and a user repo...
ACMICEC
2004
ACM
14 years 3 months ago
2004
ACM
In this paper, we describe the operation of barter trade exchanges by identifying key techniques used by trade brokers to stimulate trade and satisfy member needs, and present alg...
SIGMOD
2010
ACM
14 years 2 months ago
2010
ACM
Database partitioning is a technique for improving the performance of distributed OLTP databases, since “single partition” transactions that access data on one partition do no...