Touchscreen field specification for public access database queries: let your fingers do the walking

Authors:
Andrew Sears;Yoram Kochavy;Ben Shneiderman
Affiliations:
Human-Computer Interaction Laboratory, Department of Computer Science, University of Maryland, College Park, Maryland;Human-Computer Interaction Laboratory, Department of Computer Science, University of Maryland, College Park, Maryland;Human-Computer Interaction Laboratory, Department of Computer Science, University of Maryland, College Park, Maryland
Venue:
CSC '90 Proceedings of the 1990 ACM annual conference on Cooperation
Year:
1990

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Abstract

Database query is becoming a common task in public access systems; touchscreens can provide an appealing interface for such a system. This paper explores three interfaces for constructing queries on alphabetic field values with a touchscreen interface; including a QWERTY keyboard, an Alphabetic keyboard, and a Reduced Input Data Entry (RIDE) interface. The RIDE interface allows field values to be entered with fewer “keystrokes” (touches) than either keyboard while eliminating certain errors. In one test database, the RIDE interface required 69% fewer keystrokes than either keyboard interface.