Logic programming with negation offers a compelling approach to abductive reasoning. This paper shows a simple view of abduction in this context for the completion semantics, unde...
The authors have proposed using category-theoretic sketches to enhance database design and integration methodologies. The algebraic context is called the Sketch Data Model (SkDM) a...
Image panoramas are of importance for virtual navigation in remote or synthetic environments. To process these panoramas, different representations have been proposed; this paper ...
The quality of formal specifications and the circuits they are written for can be evaluated through checks such as vacuity and coverage. Both checks involve mutations to the specif...
We report from three usability evaluations of health information systems that illustrate the value of seeing usability as a context dependent property of a product. We show how the...