We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
Abstract. UnifyingTheoriesofProgramming(UTP)canprovideaformalsemantic foundation not only for programming languages but also for more expressive specification languages. We believ...
Abstract: We introduce a unified framework to describe, relate, compare and classify functional language implementations. The compilation process is expressed as a succession of p...
This paper revisits the pivot language approach for machine translation. First, we investigate three different methods for pivot translation. Then we employ a hybrid method combin...
Wildcards are a complex and subtle part of the Java type system, present since version 5.0. Although there have been various formalisations and partial type soundness results conce...
Nicholas R. Cameron, Sophia Drossopoulou, Erik Ern...