Month: March 2012

Enterprise Address Repository & Maintenance Solution – Part 2:  Workflows & Application Integration

Enterprise Address Repository & Maintenance Solution – Part 2: Workflows & Application Integration

In Part 1 of this series, I described the context and motivation behind the development of our Enterprise Addressing System, a complete master address repository, address creation & maintenance system, and address query & validation solution. To reiterate: Addresses are critical data Its a challenge to keep address system up to date Its almost impossible to keep systems synced across departments You can’t ask departmental staff to manage addresses...
Standardize Addressing Across the Enterprise: The Why and How of EAS

Standardize Addressing Across the Enterprise: The Why and How of EAS

Almost everything that a city or county government does or any service they provide is tied to an address. Whether it is firefighters responding to a 911 call, public works staff responding to work orders, or an individual applying for a street-parking permit, the ability of a city or county to provide services depends on knowing the address of where someone or something is located. Addressing Across the Enterprise...
Remodeling GIS Parcel Data for Ease of Use

Remodeling GIS Parcel Data for Ease of Use

In GIS parcel layers, I find that users tend to assume that APN (assessor parcel number) represents a unique key for each parcel geometry in a County. Nine times out of ten, this assumption is wrong, and results in an inaccurate analysis. Here is why… APN’s represent property tax accounts (a bit like your local gas and electric utility account number), and parcel geometries represent a piece of geography...