On Estimating the Amount of Learning Materials a Case Study. - Pasi Tyrväinen; Matti Järvenpää; Ari Sievänen (ICEIS (4), 2003)

Patterns and measures of digitalisation in business unit communication. - Pasi Tyrväinen; Turo Kilpeläinen; Matti Järvenpää (Int. J. Bus. Inf. Syst., 2005)

Semantic Portal for Legislative Information. - Matti Järvenpää; Maiju Virtanen; Airi Salminen (EGOV, 2006)