Now showing items 1-3 of 3
An Epistemic Operator for Description Logics
Description logics (also called terminological logics, or concept languages) are fragments of first-order logic that provide a formal account of the basic features of frame-based systems. However, there are aspects of ...
Index structures for efficiently accessing fuzzy data including cost models and measurements
Recently, the call for database management systems (DBMS) with uncertainty capabilities is getting stronger. Many of the existing approaches to modeling uncertainty in database management systems are based on the theory ...
Describing Database Objects in a Concept Language Environment
We formally investigate the structural similarities and differences existing between object database models and concept languages establishing a correspondence between the two environments. Object database models deal with ...