The AT&t-DARPA communicator mixed-initiative spoken dialog system. - Esther Levin; Shrikanth S. Narayanan; Roberto Pieraccini; Konstantin Biatov; Enrico Bocchieri; Giuseppe Di Fabbrizio; Wieland Eckert; Sungbok Lee; A. Pokrovsky; Mazin G. Rahim; P. Ruscitti; Marilyn A. Walker (INTERSPEECH, 2000)

Voice-IF: a mixed-initiative spoken dialogue system for AT&t conference services. - Mazin G. Rahim; Giuseppe Di Fabbrizio; Candace A. Kamm; Marilyn A. Walker; A. Pokrovsky; P. Ruscitti; Esther Levin; Sungbok Lee; Ann K. Syrdal; K. Schlosser (INTERSPEECH, 2001)