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An adaptive learning solution to the keyboard optimization problem

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3 Author(s)
B. J. Oommen ; Sch. of Comput. Sci., Carleton Univ., Ottawa, Ont., Canada ; R. S. Valiveti ; J. R. Zgierski

The authors consider the problem of assigning more than one symbol of a finite alphabet A to the same key on a keyboard. Since multiple symbols of the alphabet A reside on the same key, the representations of all the words in a finite dictionary H need not be unique. The problem is one of optimally assigning the symbols of the alphabet to the keys of a given keyboard with a view to minimize the total number of words that have ambiguous representation. The problem is proven to be NP-hard. After presenting the only reported solution to the problem, a fast learning-automaton-based solution to this problem is reported. Experimental results demonstrating the power of this solution are presented

Published in:

IEEE Transactions on Systems, Man, and Cybernetics  (Volume:21 ,  Issue: 6 )