574 search results - page 100 / 115 » Distributed Queries and Query Optimization in Schema-Based P... |
85
Voted
UC
2005
Springer
15 years 7 months ago
2005
Springer
Consider a database most of whose entries are marked but the precise fraction of marked entries is not known. What is known is that the fraction of marked entries is 1 − , where ...
DAWAK
1999
Springer
15 years 6 months ago
1999
Springer
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over relations that are stored in distributed heterogeneous databases. The selection of views for...
131
Voted
DAIS
2010
15 years 3 months ago
2010
The growing needs in computational power to answer to the increasing number of on-line services and the complexity of applications makes it mandatory to build corresponding hardwar...
134
Voted
TC
2011
14 years 8 months ago
2011
— Processing the gathered information efficiently is a key functionality for wireless sensor networks. In this article, we study the time complexity, message complexity (number ...
DEBS
2003
ACM
15 years 7 months ago
2003
ACM
We present a design of a distributed publish-subscribe system that extends the functionality of messaging middleware with “relational subscriptions”, to support timely updates...