Improving the Quality of Entity Relationship Models—Experience in Research and Practice
This paper is an extension of previous research which developed a framework for evaluating and improving the quality of...
The Troll Approach to Conceptual Modelling: Syntax, Semantics, and Tools
In this paper, we present the use of Troll for the conceptual modelling of distributed information systems. Troll offers...
Process Failure in a Rapidly Changing High-Tech Organisation: A System Dynamics View
IS is still suffering from high rates of failure and dissatisfaction by users with the delivered product. Respondents to...
ROL2: A Real Deductive Object-Oriented Database Language
ROL is a strongly typed deductive object-oriented database language. It integrates many important features of deductive databases and object-oriented...
Multiobjects to Ease Schema Evolution in an OODBMS
The multiobject mechanism is a pertinent way to implement specialization in an object database and differs from the classical...
Implementing Sequoia 2000 Benchmark on Shusse-Uo and Its Performance
As an ODBMS, Shusse-Uo is built on Network Of Workstations (NOW). In Shusse-Uo, a storage manager based on distributed...
A Spatiotemporal Query Processor Based on Simplicial Representation
In spatial databases, efficient filtering of spatial objects using some index is a key issue to improve the retrieval...
Implementing Class Library and Index for Managing Spatio-Temporal Data
This paper describes a way of implementing a spatio-temporal conceptual data model which we have proposed as a class...
A Spatiotemporal Data Management Method Using Inverse Differential Script
According to popularization of the geographic information system (GIS), temporal data management has become very important. When GIS is...
Extracting Event Semantics from Video Data Based on Real World Database
Video is considered the most effective medium for capturing events. There are two major approaches of representing video contents:...
