Pengfei Lu Department of Computer Science Graduate Center City University of New York ( CUNY ) 365 Fifth Ave , New York , NY 10016 pengfei.lu @ qc.cuny.edu Matt Huenerfauth Department of Computer Science Queens College and Graduate Center City University of New York ( CUNY ) 65-30 Kissena Blvd , Flushing , NY 11367 matt @ cs.qc.cuny.edu Abstract American Sign Language ( ASL ) synthesis software can improve the accessibility of in-formation and services for deaf individuals with low English literacy . The synthesis com-ponent of current ASL animation generation and scripting systems have limited handling of the many ASL verb signs whose movement path is inflected to indicate 3D locations in the signing space associated with discourse refer-ents .