118 search results - page 6 / 24 » Logical Design of Generalizations in Object-relational Datab... |
BIRTHDAY
2010
Springer
13 years 5 months ago
2010
Springer
Yuri Gurevich made many varied and deep contributions to logic for computer science. Logic provides also the theoretical foundation of database systems. Hence, it is almost unavoid...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
In the real world, lots of objects with changing position can be found. Some of them repeat the same movement several times, called periodic movements. Examples include airplanes,...
SSDBM
2002
IEEE
14 years 15 days ago
2002
IEEE
In this paper, we study the effects of compression on bitmap indexes. The main operations on the bitmaps during query processing are bitwise logical operations such as AND, OR, N...
CICLING
2001
Springer
14 years 3 days ago
2001
Springer
In logic, the spatio-temporal location of a proposition is characterized precisely within a Cartesian system of space and time coordinates. This is suitable for characterizing the ...
HASKELL
2008
ACM
13 years 8 months ago
2008
ACM
Eight years ago, functional dependencies, a concept from the theory of relational databases, were proposed as a mechanism for avoiding common problems with multiple parameter type...