Methods and systems for matching records and normalizing names
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United States of America Patent
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May 29, 2012
Grant Date -
Aug 5, 2010
app pub date -
Jan 30, 2009
filing date -
Jan 30, 2009
priority date (Note) -
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Abstract
Methods and systems are provided for normalizing strings and for matching records. In one implementation, a string is tokenized into components. Sequences of tags are generated by assigning tags to the components. A sequence of states is determined based on the sequences of tags. A normalized string is generated by normalizing the sequence of the states. A key record including key fields is extracted from a first data source. A candidate record including candidate fields is extracted from a second data source. A numerical record including numerical fields is computed by comparing the key fields and the candidate fields using comparison functions. Matching functions determined by an additive logistic regression method are applied to the numerical fields. Whether the key record and the candidate record are a match is determined based on a sum of results of the matching functions.
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