- Semantic technologies, such as RDF (Resource Description Framework) and OWL (Web Ontology Language), are being widely used to store information. Ontology is mostly used in semant...
We built a prototype tool for browsing constraint systems for the layout of graphical objects. It has two views: In one view, the tool visualizes a constraint system as a threedim...
Conceptual Graphs and Formal Concept Analysis have in common basic concerns: the focus on conceptual structures, the use of diagrams for supporting communication, the orientation b...
Language is primarily a physical, and more particularly a biological phenomenon. To say that it is primarily so is to say that that is how, in the first instance, it presents itse...
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...