Abstract. The goal of this paper is to study tractable iteration mechanisms for bags. The presence of duplicates in bags prevents iteration mechanisms developed in the context of s...
We present a novel framework for mapping between any combination of XML and relational schemas, in which a high-level, userspecified mapping is translated into semantically meanin...
JAN is a system for animated execution of Java programs. Its application area is program understanding rather than debugging. To this end, the animation can be customized, both by...
Abstract. Algorithmic skeletons are a well-known approach for implementing parallel and distributed applications. Declarative versions typically use higher-order functions in funct...
The skyline query returns the most interesting tuples according to a set of explicitly defined preferences among attribute values. This work relaxes this requirement, and allows us...