Journal of Database Management articles from July 2002

Journal of Database Management archives from July 2002

On Conceptual Micro-Object Modeling.
July 1, 2002... ABSTRACT While much research has been devoted to data modeling, little attention has been paid to developing constructs for modeling micro-objects, i.e. constructs for modeling low dimension objects such as the attribute Birth_Date and the...

Using Harel's statecharts to model business workflows.
July 1, 2002... ABSTRACT In this paper, we model business workflows using Harel's statecharts. Mapping to statecharts allows us to systematically identify potential workflow problems. It also allows us to investigate specific properties inherent in actual...

Normalization of relations with nulls in candidate keys.
July 1, 2002... ABSTRACT This paper discusses normalization of relations when the candidate keys of a relation have missing information represented by nulls. The paper shows that when the missing information is of the type "not applicable" or "does not...

Representation and storage of motion data.
July 1, 2002... ABSTRACT This research proposes a model for representation and storage of motion data. Such representation will enable one to communicate, store, and analyze patterns of motion in a way similar to that with spoken and written languages....