``Object-Oriented Programming'' and ``Data Abstraction'' have become very common terms. Unfortunately, few people agree on what they mean. I will offer informa...
: The aim of this work is to present the Musical Score as a new attribute characteristic in an object-oriented database. It defines a new data type for attributes that can be assoc...
—We propose a mathematical framework for step indexed realizability semantics of a call-by-value polymorphic lambda calculus with recursion, existential types and recursive types...
Topological predicates are an important element of database systems that allow manipulation of spatial data. Based on the necessity for such systems to handle uncertainty, we intro...
Building the hardware for a high-performance distributed computer system is a lot easier than building its software. In this paper we describe a model for programtributed systems ...
Andrew S. Tanenbaum, Henri E. Bal, M. Frans Kaasho...