A Reverse-Huffman Algorithm for Text Entry Interface Evaluation

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hamidi-reverseEngineeringCHI.pdf (293.86 KB)

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http://hdl.handle.net/11603/20033

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UMBC Information Systems Department
UMBC Faculty Collection

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Date

2012-05-05

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conference papers and proceedings preprints
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Citation of Original Publication

Hamidi, Foad; Baljko, Dr. Melanie; A Reverse-Huffman Algorithm for Text Entry Interface Evaluation; Workshop on Designing and Evaluating Text Entry Methods (2012);

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Abstract

Scanning or soft keyboards display symbols to be selected when highlighted in an order. People with disabilities use these interfaces to compose text by using one or two input actions. We present a reverseHuffman algorithm (RHA) that extracts a representative latent probability distribution from a soft keyboard design and evaluates and compares it with other designs using the Jensen-Shannon Divergence (JSD).