889 search results - page 26 / 178 » A Method for Secure Query Processing in Mobile Databases |
80
Voted
DEXA
2005
Springer
15 years 3 months ago
2005
Springer
Finding intensional encapsulations of database subsets is the inverse of query evaluation. Whereas query evaluation transforms an intensional expression (the query) to its extensi...
99
Voted
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
Abstract. The proliferation of mobile and pervasive computing devices has brought energy constraints into the limelight. Energy-conscious design is important at all levels of syste...
185
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Abstract-- We present an original graph embedding to speedup distance-range and k-nearest neighbor queries on static and/or dynamic objects located on a (weighted) graph. Our metho...
82
Voted
DEXAW
2002
IEEE
15 years 2 months ago
2002
IEEE
For mobile agents to be effective in practice, they have to be securely and efficiently deployed. In this paper, we propose and discuss several route structures and methods for mo...
ADBIS
2000
Springer
15 years 2 months ago
2000
Springer
We consider queries which originate from a mobile unit and whose result depends on the location of the user who initiates the query. Example of such a query is How many people are ...