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A technique for computer detection and correction of spelling errors

A technique for computer detection and correction of spelling errors,10.1145/363958.363994,Communications of The ACM,Fred J. Damerau

A technique for computer detection and correction of spelling errors   (Citations: 299)
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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.
Journal: Communications of The ACM - CACM , vol. 7, no. 3, pp. 171-176, 1964
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