High quality word graphs using forward-backward pruning. - Achim Sixtus; Stefan Ortmanns (ICASSP, 1999)

The philips/RWTH system for transcription of broadcast news. - Peter Beyerlein; Xavier L. Aubert; Reinhold Haeb-Umbach; Matthew Harris; Dietrich Klakow; Andreas Wendemuth; Sirko Molau; Michael Pitz; Achim Sixtus (EUROSPEECH, 1999)

Recent improvements of the RWTH large vocabulary speech recognition system on spontaneous speech. - Achim Sixtus; Sirko Molau; Stephan Kanthak; Ralf Schlüter; Hermann Ney (ICASSP, 2000)

The RWTH Large Vocabulary Speech Recognition System for Spontaneous Speech. - Stephan Kanthak; Sirko Molau; Achim Sixtus; Ralf Schlüter; Hermann Ney (KONVENS, 2000)

Training of across-word phoneme models for large vocabulary continuous speech recognition. - Achim Sixtus; Hermann Ney (ICASSP, 2002)

From within-word model search to across-word model search in large vocabulary continuous speech recognition. - Achim Sixtus; Hermann Ney (Comput. Speech Lang., 2002)

Large vocabulary continuous speech recognition of Broadcast News - The Philips/RWTH approach. - Peter Beyerlein; Xavier L. Aubert; Reinhold Haeb-Umbach; Matthew Harris; Dietrich Klakow; Andreas Wendemuth; Sirko Molau; Hermann Ney; Michael Pitz; Achim Sixtus (Speech Commun., 2002)

Across-word phoneme models for large vocabulary continuous speech recognition. - Achim Sixtus (2003)