Penalty Functions for Evaluation Measures of Unsegmented Speech Retrieval. In: Information Access Evaluation. Multilinguality, Multimodality, and Visual Analytics - Third International Conference of the CLEF Initiative, Lecture Notes in Computer Science, ISSN 0302-9743, 7488, pp. 100-111, Springer, Berlin / Heidelberg, ISBN 978-3-642-33246-3 (url, bibtex)