: This paper presents database programming language constructs that. can be used to realize a variety of different semantics for rule application in active database syst.ems. The p...
We describe Elf, a metalanguage for proof manipulation environments that are independent of any particular logical system. Elf is intended for meta-programs such as theorem prover...
Abstract. Concurrent constraint programming is a simple but powerful framework for computation based on four basic computational ideas: concurrency (multiple agents are simultaneou...
The aim of this paper is to understand the interplay between intersection, universally quantified, and reference types. Putting together the standard typing rules for intersection,...
A great deal of research has addressed the problem of generating optimal plans, but these plans are of limited use in circumstances where noisy sensors, unanticipated exogenous ac...