1430 search results - page 41 / 286 » Query operations for moving objects database systems |
PAKDD
2007
ACM
14 years 2 months ago
2007
ACM
In this paper, we investigate and utilize the characteristic of the group movement of objects to achieve energy conservation in the inherently resource-constrained wireless object ...
INFSOF
2002
13 years 8 months ago
2002
In this paper, we present methods of translating transactions from object-oriented database(OODB) to relational database(RDB). The process involves schema mapping in data definiti...
ISCI
2007
13 years 8 months ago
2007
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
Query processing in database systems has developed beyond mere exact matching of attribute values. Scoring database objects and retrieving only the top k matches or Pareto-optimal...
IEEECIT
2006
IEEE
14 years 2 months ago
2006
IEEE
Concurrently with fast development of location aware technologies, many applications have been developing to exploit location data for serving people. However, a main challenge in...