1430 search results - page 237 / 286 » Query operations for moving objects database systems |
CIKM
2010
Springer
14 years 8 months ago
2010
Springer
Recently, the problem of efficiently supporting advanced query operators, such as nearest neighbor or range queries, over multidimensional data in widely distributed environments...
GIS
2009
ACM
15 years 2 months ago
2009
ACM
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
OODBS
2000
15 years 1 months ago
2000
Ever since the `early days' of database management systems, clustering has proven to be one of the most effective performance enhancement techniques for object oriented datab...
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PODS
2011
ACM
14 years 26 days ago
2011
ACM
In the traditional data exchange setting, source instances are restricted to be complete in the sense that every fact is either true or false in these instances. Although natural ...
BMCBI
2008
14 years 10 months ago
2008
Background: Keyword searching through PubMed and other systems is the standard means of retrieving information from Medline. However, ad-hoc retrieval systems do not meet all of t...