1430 search results - page 23 / 286 » Query operations for moving objects database systems |
PDPTA
2003
13 years 9 months ago
2003
— In this paper, we propose a powerful and convenient querying model, "Queryball", for users to query in immersive VR systems. In immersive VR systems, users expect int...
ISMB
1998
13 years 9 months ago
1998
Existing query interfaces for biological databases are either based on fixed forms or textual query languages. Users of a fixed form-based query interface are limited to performin...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Existing methods for prediction in spatio-temporal databases assume that objects move according to linear functions. This severely limits their applicability, since in practice mo...
VLDB
1991
ACM
13 years 11 months ago
1991
ACM
Queries in object-oriented datab;Lqcs are formulated against a class and retrieve instnnccls of the class sat,isfying a certain predicate on the att,riblltes of the class. The pre...
JCST
2010
13 years 2 months ago
2010
Abstract The significant overhead related to frequent location updates from moving objects often results in poor performance. As most of the location updates do not affect the quer...