Abstract. This paper combines two recent extensions of Dung's abstract argumenrameworks in order to define an abstract formalism for reasoning about preferences in structured ...
Abstract. This paper develops a highly expressive semantic framework for program refinement that supports both temporal reasoning and reasoning about the knowledge of a single agen...
Experts often disagree about the organization of biological taxa. The shifting definitions of taxonomic names complicate otherwise simple queries concerning these taxa. For examp...
We have been working on a unit system for end-user spreadsheets that is based on the concrete notion of units of the abstract concept of types. In previous work, we defined such ...
We describe an approach to using one logic to reason about specifications written in a second logic. One level of logic, called the "reasoning logic", is used to state th...