1008 search results - page 55 / 202 » Logic and Databases |
SSDBM
2002
IEEE
14 years 19 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...
IKE
2004
13 years 9 months ago
2004
Flexible and effective indexing of video data so as to render it useful in automated inference and datadriven knowledge acquisition is a key problem in knowledge engineering. In t...
SIGMOD
2010
ACM
13 years 11 months ago
2010
ACM
A database application differs form regular applications in that some of its inputs may be database queries. The program will execute the queries on a database and may use any re...
DOOD
1993
Springer
13 years 12 months ago
1993
Springer
In this paper we introduce a logical query language extended with object-oriented typing facilities. This language, called DTL (from DataTypeLog), can be seen as an extension of Da...
JUCS
2010
13 years 2 months ago
2010
: Although a database view embodies partial information about the state of the main schema, the state of the view schema is a quotient (and not a subset) of the state of the main s...