Experimental analysis of the search space for 20 000-word speech recognition. - Stefan Ortmanns; Hermann Ney (EUROSPEECH, 1995)

Language-model look-ahead for large vocabulary speech recognition. - Stefan Ortmanns; Hermann Ney; Andreas Eiden (ICSLP, 1996)

A comparison of time conditioned and word conditioned search techniques for large vocabulary speech recognition. - Stefan Ortmanns; Hermann Ney; Frank Seide; Ingo Lindam (ICSLP, 1996)

Architecture and Search Organization for Large Vocabulary Continuous Speech Recognition. - Stefan Ortmanns; Lutz Welling; Klaus Beulen; Frank Wessel; Hermann Ney (GI Jahrestagung, 1997)

Extensions to the word graph method for large vocabulary continuous speech recognition. - Hermann Ney; Stefan Ortmanns; Ingo Lindam (ICASSP, 1997)

Look-ahead techniques for fast beam search. - Stefan Ortmanns; Andreas Eiden; Hermann Ney; Norbert Coenen (ICASSP, 1997)

Fast likelihood computation methods for continuous mixture densities in large vocabulary speech recognition. - Stefan Ortmanns; Thorsten Firzlaff; Hermann Ney (EUROSPEECH, 1997)

A word graph algorithm for large vocabulary continuous speech recognition. - Stefan Ortmanns; Hermann Ney; Xavier L. Aubert (Comput. Speech Lang., 1997)

The RWTH large vocabulary continuous speech recognition system. - Hermann Ney; Lutz Welling; Stefan Ortmanns; Klaus Beulen; Frank Wessel (ICASSP, 1998)

Improved lexical tree search for large vocabulary speech recognition. - Stefan Ortmanns; Andreas Eiden; Hermann Ney (ICASSP, 1998)

Effiziente Suchverfahren zur Erkennung kontinuierlich gesprochener Sprache. - Stefan Ortmanns (1998)

Dynamic programming search techniques for across-word modelling in speech recognition. - Klaus Beulen; Stefan Ortmanns; Christian Elting (ICASSP, 1999)

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

An efficient decoding method for real time speech recognition. - Stefan Ortmanns; Wolfgang Reichl; Wu Chou (EUROSPEECH, 1999)

Dynamic programming search for continuous speech recognition. - Hermann Ney; Stefan Ortmanns (IEEE Signal Process. Mag., 1999)

Look-ahead techniques for fast beam search. - Stefan Ortmanns; Hermann Ney (Comput. Speech Lang., 2000)

Progress in dynamic programming search for LVCSR. - Hermann Ney; Stefan Ortmanns (Proc. IEEE, 2000)

The time-conditioned approach in dynamic programming search for LVCSR. - Stefan Ortmanns; Hermann Ney (IEEE Trans. Speech Audio Process., 2000)

Requirements Archaeology: From Unstructured Information to High Quality Specifications. - Friedemann Kiedaisch; Martin Pohl; Joachim Weisbrod; Siegfried Bauer; Stefan Ortmanns (RE, 2001)