20 search results - page 3 / 4 » Maintaining Spatial Relations in an Incremental Diagrammatic... |
VLDB
1990
ACM
15 years 1 months ago
1990
ACM
ABSTRACT - In this paperwe describe the design, implementation, and performance of an incremental join facility that has been added as an extension to the Starburst extensible DBMS...
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GIS
2003
ACM
15 years 10 months ago
2003
ACM
Moving object databases store and process data for objects that change location frequently. Materialized views maintained over time must be updated to reflect changes due to the m...
ER
2001
Springer
15 years 2 months ago
2001
Springer
Abstract Spatio-temporal extensions to data models have been an active area of research for a number of years. To date, much of this work has focused on the relational data model, ...
TITS
2008
14 years 9 months ago
2008
We present a method for segmenting and tracking vehicles on highways using a camera that is relatively low to the ground. At such low angles, 3-D perspective effects cause signific...
CCGRID
2003
IEEE
15 years 2 months ago
2003
IEEE
This paper addresses the query performance issue for Relational OLAP (ROLAP) datacubes. We present a distributed multi-dimensional ROLAP indexing scheme which is practical to imple...