These papers will give you some additional information about Smart-its Particles:

Technical Information

• AwareCon: Situation Aware Context Communication
  Michael Beigl, Albert Krohn, Tobias Zimmer, Christian Decker, Philip Robinson
  Ubicomp 2003, Oct. 12-15, Seattle, USA
• Typical Sensors needed in Ubiquitous and Pervasive Computing. Michael Beigl, Albert Krohn, Tobias Zimmer and Christian Decker. First International Workshop on Networked Sensing Systems (INSS) 2004, Tokyo, Japan, June 22-23. 2004, pp 153-158
• "Smart-Its - Communication and Sensing Technology for UbiComp Environments"
  Michael Beigl, Tobias Zimmer, Albert Krohn, Christian Decker and Philip Robinson
  Technical Report ISSN 1432-7864 2003/2
• A Location Model for Communicating and Processing of Context
  Michael Beigl, Tobias Zimmer, Christian Decker
  Personal and Ubiquitous Computing Vol. 6 Issue 5-6, pp. 341-357, ISSN 1617-4909, 2002

Introduction / Architecture

• Smart-Its: An Embedded Platform for Smart Objects
  Michael Beigl, H. Gellersen
  Smart Objects Conference (sOc) 2003, May 15-17, Grenoble, France

Applications and Usage

• Towards a Better Understanding of Context Attributes",
  Tobias Zimmer.
  PerCom 2004, Orlando Florida USA, pp. 23-28, ISBN 0-7695-2106-1, IEEE, March 2004.
  
• Context Nuggets: A Smart-Its Game
  Michael Beigl, Albert Krohn, Christian Decker, Philip Robinson, Tobias Zimmer, Hans Gellersen, Albrecht Schmidt
  Demo Paper at Ubicomp 2003, Oct. 12-15, Seattle, USA
• eSeal - A System for Enhanced Electronic Assertion of Authenticity and Integrity of Sealed Items>
  Christian Decker, Michael Beigl, Albert Krohn, Uwe Kubach, Philip Robinson
  Pervasive 2004, Wien
• DigiClip: Activating physical documents
  Christian Decker, Michael Beigl, Adam Eames, Uwe Kubach
  IWSAWC 2004, Tokyo, Japan, Proceedings of the ICDCS 2004, pp 388-393, IEEE Computer Society, ISDN 0-7695-2087-1, 2004
• Revealing the Retail Black Box by Interaction Sensing
  Christian Decker, Uwe Kubach and Michael Beigl
  IWSAWC 2003, Providence, Rhode Island, Proceedings of the ICDCS 2003, 2003
• Trust Context Spaces: An Infrastructure for Pervasive Security in Context-Aware Environments
  Philip Robinson and Michael Beigl
  First International Conference on Security in Pervasive Computing, Boppard, Germany, March 12 - 14, 2003
• Teaching a practical Ubicomp course with Smart-Its (PDF 900 kB, PDF Poster 715kB)
  Michael Beigl, Philip Robinson,Tobias Zimmer, Christian Decker
  Ubicomp 2002, Göteborg, Ubicomp 2002 Adjuct proceedings, Peter Ljungstrand, Lars Eric Holmquist Eds., pp 43-44, 2002
• Smart-Its Friends: A Technique for Users to Easily Establish Connections between Smart Artefacts
  Lars Erik Holmquist, Friedemann Mattern, Bernt Schiele, Petteri Alahuhta, Michael Beigl and Hans-W. Gellersen
  Ubicomp 2001, Springer-Verlag LNCS 2201, pp. 116-122, 2001

Video

• Creating Ad-hoc Pervasive Computing Environments,Michael Beigl, Tobias Zimmer, Albert Krohn, Christian Decker and Philip Robinson.
  Video at at Pervasive 2004 in "Advances in Pervasive Computing", ISBN 3-85403-176-9, pp. 377-381, Vienna, Austria.
  MPEG2 (192 MByte, PAL) and DIVX (40 MByte, 360x288)