Design guidelines for managing metadata for personal content on mobile devices. - Tuula Kärkkäinen; Antti Kaakinen; Teija Vainio; Kaisa Väänänen-Vainio-Mattila (MUM, 2008)

User needs for metadata management in mobile multimedia content services. - Teija Vainio; Kaisa Väänänen-Vainio-Mattila; Antti Kaakinen; Tuula Kärkkäinen; Juha Lehikoinen (Mobility Conference, 2009)