829 search results - page 124 / 166 » Location-aware Query Processing and Optimization |
120
Voted
ADBIS
2006
Springer
15 years 8 months ago
2006
Springer
Database caching supports declarative query processing close to the application. Using a full-fledged DBMS as cache manager, it enables the evaluation of specific project-select-...
119
Voted
EDBT
2008
ACM
16 years 2 months ago
2008
ACM
Data Stream Management Systems (DSMSs) must support optimized execution scheduling of multiple continuous queries on massive, and frequently bursty, data streams. Previous approac...
135
Voted
ALDT
2009
Springer
15 years 9 months ago
2009
Springer
Abstract. An optimal probabilistic-planning algorithm solves a problem, usually modeled by a Markov decision process, by finding its optimal policy. In this paper, we study the k ...
110
Voted
PODS
2010
ACM
15 years 7 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
129
Voted
MOBICOM
2004
ACM
15 years 8 months ago
2004
ACM
In this paper we consider the problem of searching for a node or an object (i.e., piece of data, file, etc.) in a large network. Applications of this problem include searching fo...