Sciweavers

IDEAS
2003
IEEE
117views Database» more  IDEAS 2003»
13 years 9 months ago
A Multi-Resolution Block Storage Model for Database Design
We propose a new storage model called MBSM (Multiresolution Block Storage Model) for laying out tables on disks. MBSM is intended to speed up operations such as scans that are typ...
Jingren Zhou, Kenneth A. Ross
IDEAS
2003
IEEE
102views Database» more  IDEAS 2003»
13 years 9 months ago
Pushing Quality of Service Information and Requirements into Global Query Optimization
In recent years, a lot of research effort has been dedicated to the management of Quality of Service (QoS), mainly in the fields of telecommunication networks and multimedia syste...
Haiwei Ye, Brigitte Kerhervé, Gregor von Bo...
IDEAS
2003
IEEE
76views Database» more  IDEAS 2003»
13 years 9 months ago
E-Learning as a Web Service
E-learning platforms and their functionalities resemble one another to a large extend. Recent standardization efforts in e-learning concentrate on the reuse of learning material, ...
Gottfried Vossen, Peter Westerkamp
IDEAS
2003
IEEE
86views Database» more  IDEAS 2003»
13 years 9 months ago
A Medium Complexity Discrete Model for Uncertain Spatial Data
This paper presents a method for representing uncertainty in spatial data in a database. The model presented requires moderate amounts of storage space. To compute the probability...
Erlend Tøssebro, Mads Nygård
IDEAS
2003
IEEE
73views Database» more  IDEAS 2003»
13 years 9 months ago
Operations on Metamodels in the Context of a UML-Based Metamodeling Architecture
In the context of information system engineering, we propose a four-layer metamodeling architecture with a comprehensive set of operations on metamodels. Our architecture enables ...
Marie-Noëlle Terrasse, George Becker, Marinet...
IDEAS
2003
IEEE
96views Database» more  IDEAS 2003»
13 years 9 months ago
Evaluating Nested Queries on XML Data
In the past few years, much attention has been paid to the study of semistructured data, i.e., data with irregular, possibly unstable, and rapidly changing structure, and, in part...
Carlo Sartiani
IDEAS
2003
IEEE
120views Database» more  IDEAS 2003»
13 years 9 months ago
A Framework for Customisable Schema Evolution in Object-Oriented Databases
This paper describes an evolution framework supporting customisation of the schema evolution and instance adaptation approaches in an object database management system. The framew...
Awais Rashid
IDEAS
2003
IEEE
99views Database» more  IDEAS 2003»
13 years 9 months ago
V2: A Database Approach to Temporal Document Management
Temporal document databases are interesting in a number of contexts, in general document databases as well as more specialized applications like temporal XML/Web warehouses. In or...
Kjetil Nørvåg
IDEAS
2003
IEEE
131views Database» more  IDEAS 2003»
13 years 9 months ago
Neighborhood Signatures for Searching P2P Networks
Overlay networks have received a lot of attention due to the recent wide-spread use of peer-to-peer (P2P) applications such as SETI, Napster, Gnutella, and Morpheus. Through repli...
Mei Li, Wang-Chien Lee, Anand Sivasubramaniam
IDEAS
2003
IEEE
100views Database» more  IDEAS 2003»
13 years 9 months ago
Querying XML Data by the Nested Relational Sequence Database System
In this concise paper, we present the Nested Relational Sequence Model (NRSM), which is an extension of the Nested Relational Data Model in order to handle XML data. We also intro...
Ho Lam Lau, Wilfred Ng