In Memoriam Ashley Morris (1963-2008)
Guest Editorial: Fuzzy logic and soft computing in an effective and efficient processing of imperfect information - in memoriam Ashley Morris
The application of generalised constraints to object-oriented database models.
A formal framework for a generalised object-oriented database model is presented, which is able to cope with fuzzy and uncertain information. This model is obtained as a generalisation of a crisp object-oriented database model, which is consistent with the ODMG de facto standard and is built upon an algebraic type system and a constraint system. Generalised constraints have been used to enforce integrity rules and to specify the formal semantics of the database model.
Bitmap based structures for the modeling of fuzzy entities
Guest Editorial: Soft approaches to information processing - from theory to applications
A possibilistic view on set and multiset comparison
A qualitative trajectory calculus as a basis for representing moving objects in Geographical Information Systems
Modelling imperfect time intervals in a two-dimensional space
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