Personal trusted device in personal communications. - Jari Porras; Pekka Jäppinen; Petri Hiirsalmi; Arto Hämäläinen; Sami Saalasti; Raine Koponen; Satu Keski-Jaskari (ISWCS, 2004)

Mobile Bicycle Monitoring System. - Aki Honkasuo; Arto Hämäläinen; Pekka Jäppinen; Juha Jääskeläinen; Jari Porras (WMCSA, 2006)

Implementing remote monitoring to the PeerHood middleware. - Arto Hämäläinen; Jani Wunsch; Jari Porras (Middleware (Companion), 2008)

Social networking on mobile environment. - Bishal Raj Karki; Arto Hämäläinen; Jari Porras (Middleware (Companion), 2008)

Addressing mobility issues in mobile environment. - Ji Zhang; Arto Hämäläinen; Jari Porras (Mobile Middleware, 2008)

Service characteristics for service selection. - Arto Hämäläinen; Pekka Jäppinen; Jari Porras (COMSWARE, 2009)

Service discovery and selection approaches in PeerHood environment. - Marc Torner Tomàs; Arto Hämäläinen; Jouni Ikonen; Jari Porras (CompSysTech, 2010)