1. Teaching and learning as multimedia authoring: the classroom 2000 project;ABOWD,1996
2. Cyberguide: a mobile context-aware tour guide;ABOWD;Wireless Networks,1997
3. Meme tags and community mirrors: moving from conferences to collaboration;BOROVOY,1998
4. Developing a context-aware electronic tourist guide: some issues and experiences;CHEVERST,2000
5. Digital smart kiosk project;CHRISTIAN,1998