1430 search results - page 67 / 286 » Query operations for moving objects database systems |
VLDB
1998
ACM
14 years 1 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
ER
1992
Springer
14 years 1 months ago
1992
Springer
In this paper, we address the problem of supporting more exibility on the schema of object-oriented databases. We describe a general framework based on an object-oriented data mode...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
Main memory is a critical resource when processing longrunning queries over data streams with state intensive operators. In this work, we investigate state spill strategies that h...
DATE
2004
IEEE
14 years 19 days ago
2004
IEEE
Structured embedded databases are currently becoming an integrated part of embedded systems, thus, enabling higher standards in system automation. These embedded databases are typ...
DEXAW
2004
IEEE
14 years 19 days ago
2004
IEEE
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...