IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
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, ...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
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...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
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 ...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
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...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
This paper describes an evolution framework supporting customisation of the schema evolution and instance adaptation approaches in an object database management system. The framew...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
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...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
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...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
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...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
We characterize the dynamic data management problem for location based services(LBS) in mobile environments and devise a cost model for servicing both location independent and loc...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
