Abstract: In a bit string check method, a bit string to be searched is divided into a plurality of partial-object bit strings, which are compared to the plurality of registration bit patterns at multiple stages. At a current stage which is one of the multiple check-stages, comparison is made with all the possible values of a partial-object bit string in accordance with the comparison result and the pattern table where a plural registration bit pattern is registered, it is possible to obtain a judgment result indicating a presence or absence of a partial registration bit pattern which matches at least the partial-object bit string. According to the judgment result, check-continuation information including the address of the pattern table of the stage subsequent to the current stage is outputted.

Abstract: A system and method for management of debt default information is disclosed. The system comprises a debt default database for storing a plurality of records, each record having data associated with a defaulted loan; a certified numbering module operable to generate a plurality of unique certified numbers, each certified number including an identifier of a lender of the defaulted loan and an identifier of the service provider, the certified numbering module further operable to assign each of the plurality of unique certified numbers to respective ones of the plurality of records; and a document creation module operable to create correspondence to be communicated to debtors associated with the defaulted loans using the assigned unique certified numbers.