Abstract The GRACE International Meeting on Bidirectional Transformations was held in
December 2008 near Tokyo, Japan. The meeting brought together researchers and …

Aspect-orientation provides a new way of modularization by clearly separating crosscutting
concerns from noncrosscutting ones. While aspect-orientation originally has emerged at the …

We provide an extensive overview of existing research in the field of software refactoring.
This research is compared and discussed based on a number of different criteria: the …

In the late 1960s and early 1970s, the concepts of graph transformation and graph
grammars started to become of interest in picture processing and computer science. The …

CGA shape, a novel shape grammar for the procedural modeling of CG architecture,
produces building shells with high visual quality and geometric detail. It produces extensive …

Abstract The Object Management Group's (OMG) Model Driven Architecture (MDA) strategy
envisages a world where models play a more direct role in software production, being …

Designing large software systems is one of the big technical challenges of our time. The
scope and complexity of software have now reached dimensions that push all established …

The notion of graph which is most useful in computer science is that of a directed graph or
just a graph. A graph is a combinatorial structure consisting of a finite nonempty set of …

In this paper we introduce the notions of nested constraints and application conditions, short
nested conditions. For a category associated with a graphical representation such as …

Location-aware environments are characterized by a large number of objects and a large
number of continuous queries. Both the objects and continuous queries may change their …