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)

A temporally adaptive content-based relevance ranking algorithm. - Jukka Perkiö; Wray L. Buntine; Henry Tirri (SIGIR, 2005)

Multi-faceted information retrieval system for large scale email archives. - Ville H. Tuulos; Jukka Perkiö; Henry Tirri (SIGIR, 2005)

Multi-Faceted Information Retrieval System for Large Scale Email Archives. - Jukka Perkiö; Ville H. Tuulos; Wray L. Buntine; Henry Tirri (Web Intelligence, 2005)

Learning to Segment Any Random Vector. - Aapo Hyvärinen; Jukka Perkiö (IJCNN, 2006)

Utilizing Rich Bluetooth Environments for Identity Prediction and Exploring Social Networks as Techniques for Ubiquitous Computing. - Jukka Perkiö; Ville H. Tuulos; Marion Hermersdorf; Heli Nyholm; Jukka Salminen; Henry Tirri (Web Intelligence, 2006)

Magrathea: A Mobile Agent- and Sensing Platform. - Jukka Perkiö; Petri Myllymäki; Ville H. Tuulos; Péter Boda (ICWN, 2008)

Modelling Image Complexity by Independent Component Analysis, with Application to Content-Based Image Retrieval. - Jukka Perkiö; Aapo Hyvärinen (ICANN (2), 2009)

Exploring Scale-Induced Feature Hierarchies in Natural Images. - Jukka Perkiö; Tinne Tuytelaars; Wray L. Buntine (ICMLA, 2009)

Magrathea: Building and Analyzing Ubiquitous and Social Systems. - Jukka Perkiö; Petri Myllymäki (Web Intelligence, 2009)

Long-term effects of ubiquitous surveillance in the home. - Antti Oulasvirta; Aurora Pihlajamaa; Jukka Perkiö; Debarshi Ray; Taneli Vähäkangas; Tero Hasu; Niklas Vainio; Petri Myllymäki (UbiComp, 2012)

Image similarity: from syntax to weak semantics. - Jukka Perkiö; Antti J. Tuominen; Taneli Vähäkangas; Petri Myllymäki (Multim. Tools Appl., 2012)