1430 search results - page 70 / 286 » Query operations for moving objects database systems |
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
The skyline operator returns from a set of multi-dimensional objects a subset of superior objects that are not dominated by others. This operation is considered very important in ...
EFDBS
2000
13 years 10 months ago
2000
A main problem of data integration is the treatment of conflicts caused by different modeling of real-world entities, different data models or simply by different representations ...
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
Immortal DB builds transaction time database support into the SQL Server engine, not in middleware. Transaction time databases retain and provide access to prior states of a datab...
GIS
2003
ACM
14 years 10 months ago
2003
ACM
Nearest neighbor query is one of the most important operations in spatial databases and their application domains, e.g., locationbased services, advanced traveler information syst...
JSA
2006
13 years 8 months ago
2006
In this paper, we propose a schema version model which allows to restructure complex object hierarchy in object-oriented databases. This model extends a schema version model, call...