| Vol-504 Copyright © 2009 for the individual papers by the papers' authors. Copying permitted for private and academic purposes. Re-publication of material from this volume requires permission by the copyright owners. This volume is published by its editors.

# EuroCAT09
European Context-Awareness and Trust 2009

### Proceedings of the 3rd Workshop on Combining Context with Trust, Security and Privacy, in conjunction with EuroPKI 2009 and ISC 2009, Pisa, Italy, September 9, 2009.

Editors:

#### Gabriele Lenzini* and Marinella Petrocchi**

* Novay, The Netherlands
** IIT-CNR, Italy

## Table of Contents

Front Page and Preface

1. (invited talk) Trust Management in Context-Aware and Service-Oriented Architectures
   Ricardo Neisse (Fraunhofer-Institute for Experimental Software Engineering, Germany)

2. Context-Aware Identity Delegation: A User-Centric Approach
   Naveed Ahmed and Christian D. Jensen (Tech. Univ. of Denmark)

3. POIsafe: a Privacy-Conscious System for Retrieval of Points of Interest
   Daniele Riboni, Linda Pareschi, and Claudio Bettini (Univ. of Milano)

4. Portable Reputation: Proving Ownership Across Portals
   Sandeep S. Kumar and Paul Koster (Philips Research)

5. Identity Metasystem in Location Based Persistent Authentication
   Hasan I. Akram (Fraunhofer-Institute), Christian D. Jensen (Tech. Univ. of Denmark), Mario Hoffmann (Fraunhofer-Institute)

#### Complete Proceeding volume (~1.3Mb) [Download]

The whole proceedings are cited as follows:

    G. Lenzini and M. Petrocchi (eds.):
    Proc. of the European Context Awareness and Trust 2009 (EuroCAT09), 3rd Workshop on Combining Context
    with Trust, Security, and Privacy, 9 September 2009, Pisa, Italy, CEUR Workshop Proceedings, ISSN 1613-0073,
    on line CEUR-WS.org/Vol-504

A paper in CEUR-WS.org should be cited using its online URL, e.g.,

     N. Ahmed and C. D. Jensen, "Context-Aware Identity Delegation: A User-Centric Approach",
    in Proc. of the European Context Awareness and Trust 2009 (EuroCAT09), 3rd Workshop on Combining Context
    with Trust, Security, and Privacy, 9 September 2009, Pisa, Italy, CEUR Workshop Proceedings, ISSN 1613-0073,
    on line CEUR-WS.org/Vol-504

21-Sep-2009: submitted by Gabriele Lenzini
22-Sep-2009: published on CEUR-WS.org