How does AddressDoctor correct an address?
The process of address validation can be divided into two actions: Identifying the address element and comparing the data against reference tables. In the first step, AddressDoctor tries to identify address elements and assigns them to the correct fields. The identified address elements which are truncated or shortened will be changed to the proper form before the comparison takes place. Address validation is the second step, in which the prestructured address data is compared against reference tables supplied by postal organizations. All relevant data will be used in this matching process. This differs from country to country, because some countries need address parts that are not existing or not relevant in other countries (e.g. post codes or province names), and the detail level supplied for this country. Some countries supply house number or building information, while others only give post codes for town parts. If all relevant input address parts create a single match, the address
