E-Commerce and Web Technologies 12th International Conference, EC-We

This book constitutes the refereed proceedings of the 12th International Conference on Electronic Commerce and Web Technologies (EC-Web) held in Toulouse, France, in August/September 2011.The 25 papers accepted for EC-Web, selected from 60 submissions, ar

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Christian Huemer Thomas Setzer (Eds.)

E-Commerce and Web Technologies 12th International Conference, EC-Web 2011 Toulouse, France, August 30 - September 1, 2011 Proceedings

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Volume Editors Christian Huemer Vienna University of Technology Institute of Software Technology and Interactive Systems Business Informatics Group (BIG) Favoritenstr. 9 - 11 / 188-3 1040 Vienna, Austria E-mail: [email protected] Thomas Setzer Technical University Munich Institute of Computer Science Decision Sciences and Systems (DSS) Boltzmannstr. 3 85748 Garching, Germany E-mail: [email protected]

ISSN 1865-1348 e-ISSN 1865-1356 ISBN 978-3-642-23013-4 e-ISBN 978-3-642-23014-1 DOI 10.1007/978-3-642-23014-1 Springer Heidelberg Dordrecht London New York Library of Congress Control Number: 2011933559 ACM Computing Classification (1998): J.1, K.4.4, I.2.11, H.3.5, H.4

© Springer-Verlag Berlin Heidelberg 2011 This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, re-use of illustrations, recitation, broadcasting, reproduction on microfilms or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under the German Copyright Law. The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Typesetting: Camera-ready by author, data conversion by Scientific Publishing Services, Chennai, India Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)

Message from the General Chairs

We welcome you to the proceedings of the 12th International Conference on Electronic Commerce and Web Technologies—EC-Web 2011—which took place at IRIT, Paul Sabatier University in Toulouse, France from August 29 to September 2, 2011. EC-Web 2011 provided a platform for researchers and practitioners interested in the theory and practice of e-commerce and Web technologies. In order to address a broad range of topics we invited paper submissions in a number of tracks, each dedicated to a special area in e-commerce. The Recommender Systems Track called for papers on new trends and challenges to support both customers and providers in making better business decisions. The Agent-Based E-Commerce Track sought for trends and concerns on computer systems that are capable of autonomous actions in order to meet their design objectives. The Business Services and Process Management Track put its focus on the alignment of business and IT allowing smoother business operations and business processes. The Semantic E-Business Track was centered around managing knowledge for the