405 search results - page 8 / 81 » Semantic Assumptions and Query Evaluation in Temporal Databa... |
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
1993
IEEE
13 years 11 months ago
1993
IEEE
To add time su port to the relational model, both first normal form (fNF and non-INF appmches have maining within 1NF when time support is added may introduce data redundancy. The...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing per...
ICDE
2005
IEEE
14 years 8 months ago
2005
IEEE
Moving objects databases managing spatial objects with continuously changing position and extent over time have recently found large interest in the database community. Queries ab...
ICDE
2007
IEEE
13 years 11 months ago
2007
IEEE
In this paper, we propose a simple and flexible execution model that (i) supports a wide spectrum of alternative optimization and execution strategies and their mixtures, (ii) pro...