556 search results - page 36 / 112 » Evaluation of probabilistic queries in moving objects databa... |
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
This paper introduces the problem of modeling urban transportation systems in a database where certain aspects of the data are probabilistic in nature. The transportation network ...
ICDE
1999
IEEE
1999
IEEE
Working Together in Harmony - An Implementation of the CORBA Object Query Service and Its Evaluation
14 years 8 months ago
The CORBA standard, together with its service specifications, has gained considerable attention in recent years. The CORBA Object Query Service allows for declarative access to he...
SSDBM
2005
IEEE
14 years 29 days ago
2005
IEEE
Modern geographic information systems do not only have to handle static information but also dynamically moving objects. Clustering algorithms for these moving objects provide new...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...