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Students learning American Sign Language (ASL) have trouble searching for the meaning of unfamiliar signs. ASL signs can be differentiated by a small set of simple features including hand shape, orientation, location, and movement. In a feature-based ASL-to-English dictionary, users search for a sign by providing a query, which is a set of observed features. Because there is natural variability in the way signs are executed, and observations are error-prone, an approach other than exactdoi:10.1145/2675133.2675226 dblp:conf/cscw/BraggRL15 fatcat:igs7ncs53rb4fkfbovysl3s6am