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We present a prototype system aimed at providing spoken dialogue support for complex procedures aboard the International Space Station. The system allows navigation one line at a time or in larger steps. Other user functions include issuing spoken corrections, requesting images and diagrams, recording voice notes and spoken alarms, and controlling audio volume. | Talking through procedures An intelligent Space station procedure assistant G. Aist1 J. Dowding1 B. A. Hockey1 M. Rayner1 J. Hieronymus1 D. Bohns2 B. Boven3 N. Blaylock4 E. Campana4 s. Early5 G. Gorrell6 and s. Phan7 1RIACS N ASA Ames Research Center aist jdowding bahockey 2Carnegie Mellon University dbohus@cs.emu.edu 4University of Rochester blaylock@cs.rochester.edu ecampana@bcs.rochester.edu 6Linkopings Universitet gengo@ida.liu.se mrayner jimh @riacs.edu 3Kalamazoo College bboven@acm.org 5DeAnza College NASA Ames Research Center searly@mail.arc.nasa.gov 7Santa Clara University nphan@scudc.scu.edu Abstract We present a prototype system aimed at providing spoken dialogue support for complex procedures aboard the International Space Station. The system allows navigation one line at a time or in larger steps. Other user functions include issuing spoken corrections requesting images and diagrams recording voice notes and spoken alarms and controlling audio volume. 1 Introduction The International Space Station recently entered its second year as the first permanent human presence in space. Astronauts on board Station engage in a wide variety of tasks on orbit including medical procedures extravehicular activity EVA scientific payloads and station repair and maintenance. These tasks are documented in the form of hierarchically organized procedures. In some cases a procedure will be performed by one astronaut with another astronaut reading the procedure out loud in other cases the astronaut will use the procedure and reference a paper or onscreen copy of the procedure. The RIALIST group has been developing a spoken dialogue system for providing assistance with Space Station procedures. This system has been developed in a cooperative iterative endeavor with substantial input from astronauts trainers engineers and other NASA personnel. The first version of the system operated on a simplified and invented procedure for unpacking and operating a digital camera Aist et al.