Experiments in vocabulary independent speech recognition using phoneme decision trees. - Simon Downey; Martin J. Russell; Peter Nowell; David Bijl; Kirsta Galloway; Keith Ponting (EUROSPEECH, 1993)

A comparison of phoneme decision tree (PDT) and context adaptive phone (CAP) based approaches to vocabulary-independent speech recognition. - Roger K. Moore; Martin J. Russell; Peter Nowell; Simon Downey; Sue Browning (ICASSP (1), 1994)

Dynamic and static improvements to lexical baseforms. - Simon Downey; Richard Wiseman (EUROSPEECH, 1997)

Continuous speech recognition using syllables. - Rhys James Jones; Simon Downey; John S. D. Mason (EUROSPEECH, 1997)

Overview of the maya spoken language system. - Simon Downey; Andrew P. Breen; Maria Fernández; Edward Kaneen (ICSLP, 1998)

A system for the research into multi-modal man-machine communication within a virtual environment. - Andrew P. Breen; Barry Eggleton; Gavin E. Churcher; Paul Deans; Simon Downey (INTERSPEECH, 2000)