38 search results - page 4 / 8 » Cost Based Query Scrambling for Initial Delays |
DEXA
2005
Springer
13 years 11 months ago
2005
Springer
Unlike processing snapshot queries in a traditional DBMS, the processing of continuous queries in a data stream management system (DSMS) needs to satisfy quality requirements such ...
JCP
2008
13 years 5 months ago
2008
In sensor networks, continuous query is commonly used for collecting periodical data from the objects under monitoring. This sort of queries needs to be carefully designed, in orde...
EDBT
2004
ACM
14 years 5 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
IFIP12
2009
13 years 3 months ago
2009
In this paper we propose a web search methodology based on the Ant Colony Optimization (ACO) algorithm, which aims to enhance the amount of the relevant information in respect to a...
WOWMOM
2005
ACM
13 years 11 months ago
2005
ACM
Abstract—This paper examines the following wireless data access scenario: a number of clients are interested in a set of data items kept at the server. A client sends a query req...