Boots – shoes – and leggings
Patent
1987-10-07
1989-09-19
Fleming, Michael R.
Boots, shoes, and leggings
364900, G06F 1502
Patent
active
048687502
ABSTRACT:
A system for the grammatical annotation of natural language receives natural language text and annotates each word with a set of tags indicative of its possible grammatical or syntactic uses. An empirical probability of collocation function defined on pairs of tags is iteratively extended to a selected set of tag sequences of increasing length so as to select a most probable tag for each word of a sequence of ambiguously-tagged words. For listed pairs of commonly confused words a substitute calculation reveals erroneous use of the wrong word. For words with tags having abnormally low frequency of occurrence, a stored table of reduced probability factors corrects the calculation. Once the text words have been annotated with their most probable tags, the tagged text is parsed by a parser which successively applies phrasal, predicate and clausal analysis to build higher structures from the disambiguated tag strings. A voice/text translator including such a tag annotator resolves sound or spelling ambiguity of words by their differing tags. A database retrieval system, such as a spelling checker, includes a tag annotator to identify desired data by syntactic features.
REFERENCES:
patent: 4661924 (1987-04-01), Okamoto et al.
patent: 4703425 (1987-10-01), Muraki
patent: 4724523 (1988-02-01), Kucera
patent: 4742481 (1988-05-01), Yoshimura
patent: 4747053 (1988-05-01), Yoshimura
patent: 4750122 (1988-06-01), Kaji
patent: 4760528 (1988-07-01), Levin
patent: 4773009 (1988-09-01), Kucera
Choice of Grammatical Word-Class Without Global Syntactic Analysis: Tagging Words in the Lob Corpus, Marshall, Ian in Computers and the Humanities 17 (1983) 139-150.
Carus Alwin B.
Hopkins Jeffrey G.
Kucera Henry
Fleming Michael R.
Houghton Mifflin Company
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