347 search results - page 42 / 70 » Online model-based adaptation for optimizing performance and... |
ADHOC
2007
13 years 7 months ago
2007
— In this paper, we address a fundamental problem concerning the optimal searching strategy in terms of searching cost for the target discovery problem in wireless networks. In o...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
In this paper we explore database segmentation in the context of a column-store DBMS targeted at a scientific database. We present a novel hardware- and scheme-oblivious segmentati...
MOBIHOC
2003
ACM
14 years 7 months ago
2003
ACM
A central challenge in ad hoc networks is the design of routing protocols that can adapt their behavior to frequent and rapid changes in the network. The performance of proactive ...
HPDC
2006
IEEE
14 years 1 months ago
2006
IEEE
The aIOLi project aims at optimizing the I/O accesses within the cluster by providing a simple POSIX API, thus avoiding the constraints to use a dedicated parallel I/O library. Th...
VLDB
2001
ACM
14 years 1 days ago
2001
ACM
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...