Patent ID: 6205428
Filing Date: 2001-03-20
Classification: G10L

Abstract:
A method of matching an input identifier to one of a set of reference identifiers, each of the reference identifiers being associated with one of a plurality of reference index codes, the method comprising the steps of:a) providing a recognized identifier, the input identifier being provided by a user; on the basis of the input identifier;b) determining an index code for the recognized identifier;c) determining which of the plurality of reference index codes are within a predetermined distance of the index code for the recognized identifier;d) accessing the reference identifiers associated with the reference index codes determined in step c), the accessed reference identifiers forming a candidate subset of reference identifiers;e) searching the candidate set of reference identifiers for a reference identifier that matches the recognized identifier; andg) selecting a matching reference identifier as corresponding to the input identifier, wherein each reference identifier is a set of alphanumeric characters.