Consistency of textual expression in newspaper articles: an argument for semantically based query expansion. - Raija Lehtokangas; Kalervo Järvelin (J. Documentation, 2001)

Transitive dictionary translation challenges direct dictionary translation in CLIR. - Raija Lehtokangas; Eija Airio; Kalervo Järvelin (Inf. Process. Manag., 2004)

Dictionary-Based Cross-Language Information Retrieval: Learning Experiences from CLEF 2000-2002. - Turid Hedlund; Eija Airio; Heikki Keskustalo; Raija Lehtokangas; Ari Pirkola; Kalervo Järvelin (Inf. Retr., 2004)

Dictionary-Based CLIR Loses Highly Relevant Documents. - Raija Lehtokangas; Heikki Keskustalo; Kalervo Järvelin (ECIR, 2005)

Experiments with dictionary-based CLIR using graded relevance assessments: Improving effectiveness by pseudo-relevance feedback. - Raija Lehtokangas; Heikki Keskustalo; Kalervo Järvelin (Inf. Retr., 2006)

Experiments with transitive dictionary translation and pseudo-relevance feedback using graded relevance assessments. - Raija Lehtokangas; Heikki Keskustalo; Kalervo Järvelin (J. Assoc. Inf. Sci. Technol., 2008)