112 search results - page 4 / 23 » Gral: An Extensible Relational Database System for Geometric... |
CORR
2010
Springer
13 years 7 months ago
2010
Springer
Time is one of the most difficult aspects to handle in real world applications such as database systems. Relational database management systems proposed by Codd offer very little ...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
Most of the existing work on skyline query has been extensively used in decision support, recommending systems etc, and mainly focuses on the efficiency issue for a single table. ...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
SSD
2001
Springer
13 years 11 months ago
2001
Springer
The design of external index structures for one- and multidimensional extended objects is a long and well studied subject in basic database research. Today, more and more commercia...
ICIP
1998
IEEE
14 years 9 months ago
1998
IEEE
We describe a new invariant-based data model for image databases under our approach for shape-based retrieval. The data model relies on contours description of the image shape, an...