Volume 15, Issue 1

Editorial
Editorial
Beat F. Schmid, Hans-Dieter Zimmermann and Izabella B. Mierzejewska

Preface
Preface to the Focus Theme Section "Pervasive Computing/Ambient Intelligence"
Bharat Rao and Hans-Dieter Zimmermann

Research Paper - Special Issue
Ubiquitous Computing-Driven Business Models: A Case of SK Telecom's Financial Services
Bongsik Shin and Ho Geun Lee

Research Paper - General Research
Consensus and Differences of Opinion in Electronic Prediction Markets
Thomas S. Gruca, Joyce E. Berg and Michael Cipriano

Research Paper - General Research
Performance in Electronic Marketplaces: Theory in Practice
Philip O'Reilly and Patrick Finnegan

Research Paper - General Research
The Diffusion and Efficient Use of Electronic Commerce among Small and Medium-sized Enterprises: An International Three-Industry Survey
Roman Beck, Rolf T. Wigand and Wolfgang König

Research Paper - General Research
Designing Pricing Mechanisms for Autonomous Agents Based on Bid-Forecasting
Dionisis D. Kehagias, Andreas L. Symeonidis and Pericles A. Mitkas

Research Paper - General Research
Use of Ontologies to Support the Situation Room Metaphor as an Auction Engine for Corporate Information and Knowledge Exchange
Bob Roberts and Adamantios Koumpis

Book reviews