We present the user-centered, iterative design of Mobile Facets, a mo-bile application for the faceted search and exploration of a large, multi-dimensional data set of social media on a touchscreen mobile phone. Mo-bile Facets provides retrieval of resources such as places, persons,...

The novel mobile application csxPOI (short for: collabora-tive, semantic, and context-aware points-of-interest) enables its usersto collaboratively create, share, and modify semantic points of interest(POI). Semantic POIs describe geographic places with explicit semanticproperties of a...

The articles collected in this volume have two features in common: they wantto integrate economics, demography and geography, and they want to overcome the stationary approach in modelling in favour of a dynamic one. The book is subdivided into three parts, where Part I is focussing on economic...

A chaotic process with slow feed back : the case of business cycles / T(c)œnu Puu -- Nonlinear interactions in the economy / Erik Mosekilde, Jesper S. Thomsen, and John Sterman -- Fast and slow processes of economic evolution / (c)ke E. Andersson -- A stochastic model of technological evolution...