575 search results - page 21 / 115 » Developments in Spatio-Temporal Query Languages |
RTDB
1996
14 years 7 days ago
1996
We are developing an object-oriented real-time database system that includes a relationally complete query language. Unlike conventional query optimizers, our optimizer estimates ...
VL
2007
IEEE
14 years 5 months ago
2007
IEEE
Striving toward the vision of Model Driven development (MDD), we face many open questions connected to the elementary tasks involved in working with models. Probably the most basi...
ERCIMDL
1999
Springer
14 years 3 months ago
1999
Springer
Abstract. This paper gives an overview of tools and methods for CrossLanguage Information Retrieval (CLIR) that are developed within the Twenty-One project. The tools and methods a...
VLDB
1992
ACM
14 years 3 months ago
1992
ACM
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
EDBT
2008
ACM
14 years 11 months ago
2008
ACM
A form-based query interface is usually the preferred means to provide an unsophisticated user access to a database. Not only is such an interface easy to use, requiring no techni...