Sciweavers

SSDBM
2002
IEEE
128views Database» more  SSDBM 2002»
14 years 4 months ago
Compressing Bitmap Indexes for Faster Search Operations
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...
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
SSDBM
2002
IEEE
122views Database» more  SSDBM 2002»
14 years 4 months ago
ATreeGrep: Approximate Searching in Unordered Trees
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...
Dennis Shasha, Jason Tsong-Li Wang, Huiyuan Shan, ...
SSDBM
2002
IEEE
109views Database» more  SSDBM 2002»
14 years 4 months ago
Query Processing with Description Logic Ontologies Over Object-Wrapped Databases
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...
Martin Peim, Enrico Franconi, Norman W. Paton, Car...
SSDBM
2002
IEEE
149views Database» more  SSDBM 2002»
14 years 4 months ago
A Cost Model for Interval Intersection Queries on RI-Trees
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...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...
SSDBM
2002
IEEE
100views Database» more  SSDBM 2002»
14 years 4 months ago
Similarity Searching for Multi-Attribute Sequences
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...
Tamer Kahveci, Ambuj K. Singh, Aliekber Gürel
SSDBM
2002
IEEE
100views Database» more  SSDBM 2002»
14 years 4 months ago
Information-Theoretic Disclosure Risk Measures in Statistical Disclosure Control of Tabular Data
Statistical database protection is a part of information security which tries to prevent published statistical information (tables, individual records) from disclosing the contrib...
Josep Domingo-Ferrer, Anna Oganian, Vicenç ...
SSDBM
2002
IEEE
116views Database» more  SSDBM 2002»
14 years 4 months ago
A Conceptual Framework for Composing and Managing Scientific Data Lineage
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...
Rajendra Bose