Context is a key factor in making make access control decision in modern information system. But a formal context model is needed to guide research of implementation of Context-se...
One difficulty in the design of XML Schema is the restriction that the content models should be deterministic, i. e., the Unique Particle Attribution (UPA) constraint, which means ...
We describe collaborative efforts between a knowledge representation team, a community of scientists, and scientific information managers in developing knowledge models for ecolog...
Deana Pennington, Joshua S. Madin, Ferdinando Vill...
models evolve at different levels of abstraction, from the requirements specification to development of the source code. The models underlying this process are related and their ...
A learner model must store all the relevant information about a student, including knowledge and attitude. This paper proposes a domain independent learner model based in the class...