SSDBM
2002
IEEE
14 years 5 months 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...
SSDBM
2002
IEEE
14 years 5 months ago
2002
IEEE
An unordered labeled tree is a tree in which each node has a string label and the parent-child relationship is significant, but the order among siblings is unimportant. This pape...
SSDBM
2002
IEEE
14 years 5 months ago
2002
IEEE
This paper presents an approach to answering queries over an ontology modelled using a description logic. The ontology acts as a global schema, providing a declarative description...
SSDBM
2002
IEEE
14 years 5 months ago
2002
IEEE
SSDBM
2002
IEEE
14 years 5 months ago
2002
IEEE
The efficient management of interval data represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tree1 ), an effi...
SSDBM
2002
IEEE
14 years 5 months ago
2002
IEEE
We investigate the problem of searching similar multiattribute time sequences. Such sequences arise naturally in a number of medical, financial, video, weather forecast, and stoc...
SSDBM
2002
IEEE
14 years 5 months ago
2002
IEEE
Statistical database protection is a part of information security which tries to prevent published statistical information (tables, individual records) from disclosing the contrib...
SSDBM
2002
IEEE
14 years 5 months ago
2002
IEEE
Scientific research relies as much on the dissemination and exchange of data sets as on the publication of conclusions. Accurately tracking the lineage (origin and subsequent proc...