829 search results - page 76 / 166 » Location-aware Query Processing and Optimization |
GIS
2008
ACM
13 years 10 months ago
2008
ACM
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
SAC
2009
ACM
14 years 4 months ago
2009
ACM
Today user-centered information acquisition over collections of complex XML documents is increasingly in demand. To this end, preferences have become an important paradigm enablin...
SIGMOD
2006
ACM
14 years 3 months ago
2006
ACM
Although approximate query processing is a prominent way to cope with the requirements of data analysis applications, current database systems do not provide integrated and compre...
ICDE
2005
IEEE
14 years 3 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
CORR
2010
Springer
13 years 9 months ago
2010
Springer
The emergence of new higher education institutions has created the competition in higher education market, and data warehouse can be used as an effective technology tools for incr...