Presence, Location, and Instant Messaging in a Context-Aware Application Framework Arjan J. H. Peddemors, Marc M. Lankhorst, and Johan de Heer   View Paper (PDF)   Return to Location Management BIBTEX @inproceedings       {DBLP:conf/mdm/PeddemorsLH03,    author    = {Arjan J. H. Peddemors and                 Marc M. Lankhorst and                 Johan de Heer},    booktitle = {Mobile Data Management},    title     = {Presence, Location, and Instant Messaging in a Context-Aware Application Framework.},    pages     = {325-330},    year      = {2003},    url       = {db/conf/mdm/mdm2003.html#PeddemorsLH03},    ee        = {http://link.springer.de/link/service/series/0558/bibs/2574/25740325.htm},    crossref  = {conf/mdm/2003},    bibsource = {DBLP, http://dblp.uni-trier.de}   } ©2005 Association for Computing Machinery