Category: Analyzing Data Quality

Postal Standards and Address Quality – Take 1

By David Loshin The USPS Postal Standard (Publication 28) provides at least some of the specifications we need for address quality. For example,  “The Postal Service defines a complete address as one that has all the address elements necessary to allow an exact match with the current Postal Service ZIP+4 and City State files to…

By Melissa Team May 8, 2012 Off

Characterizing the Quality of Address Data

By David Loshin My company is currently working on a couple of projects associated with address quality and location master data. We are reviewing a lot of the existing documentation that has been collected from a number of different operational systems, as well as reviewing the business processes to see where location data is either…

By Melissa Team April 20, 2012 Off

The Relative Distinction of Address Validation, Precision, and Accuracy

By David Loshin One nice thing about addresses, especially in the United States, is that they have well-defined standards. In previous blog series, I have looked at the process of address standardization and correction, so I won’t belabor that point. However, many people confuse the differences among a valid address, a precise representation of an…

By Melissa Team March 20, 2012 Off