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Home/Magazine Archive/March 1964 (Vol. 7, No. 3)/A technique for computer detection and correction.../Abstract

A technique for computer detection and correction of spelling errors

By Fred J. Damerau
Communications of the ACM, March 1964, Vol. 7 No. 3, Pages 171-176
10.1145/363958.363994
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The method described assumes that a word which cannot be found in a dictionary has at most one error, which might be a wrong, missing or extra letter or a single transposition. The unidentified input word is compared to the dictionary again, testing each time to see if the words match—assuming one of these errors occurred. During a test run on garbled text, correct identifications were made for over 95 percent of these error types.

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