This author has not been identified. Look up 'Peter F. Patel-Schneider' in GoogleThis author has not been identified. Look up 'Bernd Owsnicki-Klewe' in GoogleThis author has not been identified. Look up 'Alfred Kobsa' in GoogleThis author has not been identified. Look up 'Nicola Guarino' in GoogleThis author has not been identified. Look up 'Robert M. MacGregor' in GoogleThis author has not been identified. Look up 'William S. Mark' in GoogleThis author has not been identified. Look up 'Deborah L. McGuinness' in GoogleThis author has not been identified. Look up 'Bernhard Nebel' in GoogleThis author has not been identified. Look up 'Albrecht Schmiedel' in GoogleThis author has not been identified. Look up 'John Yen' in Google