Spell checker with arbitrary length string-to-string...

Details Spell checker with arbitrary length string-to-string... Spell checker with arbitrary length string-to-string...

2006-05-16

2006-05-16

Hong, Stephen (Department: 2178)

Data processing: presentation processing of document, operator i

Presentation processing of document

Layout

C715S252000, C715S252000

Reexamination Certificate

active

07047493

ABSTRACT:
A spell checker based on the noisy channel model has a source model and an error model. The source model determines how likely a word w in a dictionary is to have been generated. The error model determines how likely the word w was to have been incorrectly entered as the string s (e.g., mistyped or incorrectly interpreted by a speech recognition system) according to the probabilities of string-to-string edits. The string-to-string edits allow conversion of one arbitrary length character sequence to another arbitrary length character sequence.

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