Word vectorization angle hashing method and apparatus

Details Word vectorization angle hashing method and apparatus Word vectorization angle hashing method and apparatus

G - Physics

06

K

354/46

G06K 9/72 (2006.01) G06F 17/27 (2006.01)

Patent

CA 1157563

WORD VECTORIZATION ANGLE HASHING METHOD AND APPARATUS ABSTRACT OF THE DISCLOSURE A method and apparatus for vectorizing text words for compact storage and spelling verification in a mini- processor system without the use of complex mathematics functions. A binary storage table contains a plurality of addressable binary numbers. Each character in an input word is converted into a numerical weighting value. The numerical weighting values for the characters in a word are used to index into a magnitude weighting table. The selected magnitude weights are summed to produce a vector magnitude representation for the input word. The numerical weighting values are also used to cumulatively access the binary storage table. The values output from the binary storage table are modulo-2 added and accumulated to produce a vector angle represen- tation for the input word. The calculated magnitude and angle values are used to compactly store a dictionary memory of correctly spelled words. Words subsequently input for spelling verification are similarly converted to vector magnitude and angle representations for com- parison to the stored dictionary. AT9-80-003 .

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