173 search results - page 34 / 35 » Optimization of Continuous Queries in Federated Database and... |
GIS
2010
ACM
13 years 5 months ago
2010
ACM
Social networking applications have become very important web services that provide Internet-based platforms for their users to interact with their friends. With the advances in t...
MOBIDE
2009
ACM
14 years 2 months ago
2009
ACM
The explosive growth of location-detection devices, wireless communications, and mobile databases has resulted in the realization of location-based services as commercial products...
ISMIS
1997
Springer
13 years 11 months ago
1997
Springer
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
SIGMOD
2010
ACM
14 years 9 days ago
2010
ACM
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
VLDB
2004
ACM
14 years 25 days ago
2004
ACM
The Web is becoming a universal information dissemination medium, due to a number of factors including its support for content dynamicity. A growing number of Web information prov...