This volume, the result of the 21st Conference on Postal and Delivery Economics (Ireland, 2013), describes the continuing problem of the decline of the postal sector in the face of electronic competition and offers strategies for the survival of mail services in a digital age.

This compilation of original essays by an international cast of economists, regulators and industry practitioners analyzes some of the major issues now facing postal and delivery services throughout the world as competition from information and communication technologies has increased.

An extension of process modeling languages is designed which allows representing the semantics of model element labels which are formulated in natural language by using concepts of a formal ontology. This combination of semiformal models with formal ontologies will be characterized as semantic...

This paper intends to find whether cities can significantly exert an influence on their future and partly break away from the constraints with which they have to cope. The ability of key-actors, in charge of urban development, to solve the difficulties and the various urban uncertainties which...

Mit Ordnungsrahmen lassen sich hoch aggregierte Überblicke über die wesentlichen Funktionsbereiche einer Domäne darstellen. Der Beitrag regt die Entwicklung eines Ordnungsrahmens für die hybride Wertschöpfung an. Mit der Konstruktion des Ordnungsrahmens wird die Grundlage für einen...