Subword segmentation-leveling out morphological variations for medical document retrieval. - Udo Hahn; Martin Honeck; Michael Piotrowski; Stefan Schulz 001 (AMIA, 2001)

A Search Engine for Morphologically Complex Languages. - Udo Hahn; Martin Honeck; Stefan Schulz 001 (IDA, 2001)

Indexing Medical WWW Documents by Morphemes. - Stefan Schulz 001; Martin Honeck; Udo Hahn (MedInfo, 2001)

Biomedical text retrieval in languages with a complex morphology. - Stefan Schulz 001; Martin Honeck; Udo Hahn (ACL Workshop on Natural Language Processing in the Biomedical Domain, 2002)

Subword-Based Text Retrieval. - Udo Hahn; Martin Honeck; Stefan Schulz 001 (HICSS, 2003)