Alois Ferscha, Friedemann Mattern (Eds.) Pervasive Computing (Proceedings of PERVASIVE 2004, Second International Conference on Pervasive Computing) LNCS No. 3001, Springer-Verlag, ISBN: 3-540-21835-1, 2004 Online version of the proceedings at http://www.springerlink.com/openurl.asp?genre=issue&issn=0302-9743&volume=3001 Abstract This book constitutes the refereed proceedings of the Second International Conference on Pervasive Computing, PERVASIVE 2004, held in Vienna, Austria in April 2004. The 26 revised full papers presented were carefully reviewed and selected from a total of 278 submissions. The papers are organized in topical sections on activity recognition, context computing, near body interfaces, software, sensors, security, architectures and systems, algorithms, and new interfaces.