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US 4,903,206 AGranted
Spelling error correcting system
AssigneeInternational Business Machines Corporation
InventorsNobuyasu Itoh, Hiroyasu Takahashi
Life of this patent
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AssigneeInternational Business Machines Corporation
InventorsNobuyasu Itoh, Hiroyasu Takahashi
Estimating the term…
Preselection of words for spelling error check utilizes unique attribute information of words. The attribute information is generated for each vocabulary word and each vocabulary word is classified based on the attribute information and then stored in the dictionary. The attribute information is generated by obtaining character categories for each vocabulary word, ordering the character categories with a predetermined criterion, taking a leading character categories, and then generating one or more combinations of m character categories from the n leading character categories, which combinations being the attribute information. For an inputted character string to be checked, the attribute information is also generated, and the vocabulary words included in one or more classes specified by the attribute are selected as the candidate words for the correct word.
A spelling error correcting system characterized by comprising:
A spelling error correcting system as described in claim (1), wherein:
A spelling error correcting system as described in claims (1), or (2), wherein:
A spelling error correcting system as described in claim (3), wherein:
A spelling error correcting system as described in claim (4), wherein:
A spelling error correcting system as described in claims (3), (4), or (5), wherein:
A spelling error correcting system characterized by comprising:
Dependencies are inferred from the claim text.