Method and apparatus for transducer-based text normalization and inverse text normalization
First Claim
Patent Images
1. A method for performing text normalization and inverse text normalization, the method comprising:
- receiving a first string of symbols;
using a grammar to identify a second string of symbols from the first string of symbols;
providing the second string of symbols as the text normalization of the first string of symbols;
receiving the second string of symbols;
using the grammar to identify the first string of symbols from the second string of symbols; and
providing the first string of symbols as the inverse text normalization of the second string of symbols.
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Abstract
A method and apparatus are provided that perform text normalization and inverse text normalization using a single grammar. During text normalization, a finite state transducer identifies a second string of symbols from a first string of symbols it receives. During inverse text normalization, the context free transducer identifies the first string of symbols after receiving the second string of symbols.
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Citations
22 Claims
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1. A method for performing text normalization and inverse text normalization, the method comprising:
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receiving a first string of symbols;
using a grammar to identify a second string of symbols from the first string of symbols;
providing the second string of symbols as the text normalization of the first string of symbols;
receiving the second string of symbols;
using the grammar to identify the first string of symbols from the second string of symbols; and
providing the first string of symbols as the inverse text normalization of the second string of symbols. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A computer-readable medium having computer-executable instructions for performing steps comprising:
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performing text normalization using a context free transducer and a grammar;
performing inverse text normalization using a context free transducer and the grammar. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A computer-readable medium having computer-executable instructions for performing steps comprising:
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providing an input text and a context free transducer network to a context free transducer that is capable of performing text normalization or inverse text normalization using the context free transducer network; and
instructing the context free transducer to perform one of text normalization or inverse text normalization. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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Specification