Using Relative Interval Slope in Music Information Retrieval. - Kjell Lemström; Pauli Laine; Sami Perttu (ICMC, 1999)

SEMEX - An efficient Music Retrieval Prototype. - Kjell Lemström; Sami Perttu (ISMIR, 2000)

Is Multinomial PCA Multi-faceted Clustering or Dimensionality Reduction? - Wray L. Buntine; Sami Perttu (AISTATS, 2003)

A Scalable Topic-Based Open Source Search Engine. - Wray L. Buntine; Jaakko Löfström; Jukka Perkiö; Sami Perttu; Vladimir Poroshin; Tomi Silander; Henry Tirri; Antti J. Tuominen; Ville H. Tuulos (Web Intelligence, 2004)

Exploring Independent Trends in a Topic-Based Search Engine. - Jukka Perkiö; Wray L. Buntine; Sami Perttu (Web Intelligence, 2004)