Title : 
An Integrity Semantics for Open World Databases
         
        
        
            Author_Institution : 
Inst. Tecnologico de Informatica, Ciudad Politecnica de la Innovacion, Valencia
         
        
        
        
        
        
            Abstract : 
We develop a model-based integrity semantics which is open for missing facts. We do so by instantiating a generic three-valued integrity semantics. We first recapitulate the latter. Based on that, we introduce and discuss the definitions for an OWA-compatible integrity semantics which caters for databases in which facts are possibly missing. We also touch upon some open issues, paraconsistency aspects and a related recent result
         
        
            Keywords : 
data integrity; database management systems; OWA-compatible integrity semantics; generic three-valued integrity semantics; open world databases; Counting circuits; Delay; Distributed databases; Expert systems; Inference mechanisms; Logic; Open wireless architecture; Terminology;
         
        
        
        
            Conference_Titel : 
Database and Expert Systems Applications, 2006. DEXA '06. 17th International Workshop on
         
        
            Conference_Location : 
Krakow
         
        
        
            Print_ISBN : 
0-7695-2641-1
         
        
        
            DOI : 
10.1109/DEXA.2006.26