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Articles
Connecting the Dots: Why Geocoding is Critical for Businesses
By Bud Walker and Abby Garcia Telleria , Melissa Data Corp.
September 29, 2008

Classified Ads:

Many companies have found geo-location or geo-targeting technology to be of value in Internet advertising. Pay-per-click search engines like Google and Yahoo offer the ability for advertisers to deliver targeted advertising banners based on the location of the website visitor's IP address.

For marketers, geocoding is critical in targeting specific demographics. Appending demographic census track data to latitude and longitude coordinates helps marketers target the right demographics - those who would be most likely to respond to their offer or marketing message.

Insurance companies are relying increasingly on geocoding techniques to help set premiums and make underwriting decisions based on the physical location of the insured property. Take Hurricane Katrina and storm-surge damage, for example. Most insurance carriers have their own set of rules and criteria when it comes to underwriting, such as property elevation and determining the distance of the property from/to the coast. Such an imprecise standard may leave carriers insuring properties that may not be situated in a flood zone, but are actually in a storm-surge zone - where the flood exclusions in their policies would not apply.

"With mapping applications in such widespread use, companies have a need to translate existing address data to their respective lat/long coordinates," says Bud Walker, product manager for Melissa Data, a data quality and geocoding service provider.

"The benefits of high-accuracy address geocoding are manifold and serve a diverse set of applications such as market segmentation, demographics, spatial, dispatched services, nearest location queries, sales districting and zoning, tax jurisdictions, elections, etc.," says Walker.

A Web Shoe-In: Geocoding as a Store Locator
One of the most widespread uses of geocoding technology is in store/dealer locators. Businesses use geocoded data to ascertain proximity to potential customers, distance to suppliers and competitors, service areas and delivery routes. You've probably experienced a locator lookup yourself - maybe to find a restaurant, pet shop or the Sprint Nextel store nearest your home or business.

However, to adequately serve its 52 million customers, Sprint Nextel often has multiple stores located within the same ZIP Code. So which neighborhood store is closest to a particular customer's home? Using a geocoding solution to power the Store Locator on its website allows Sprint to turn the street addresses of its stores into usable locational information - so customers can actually determine which store is closest in relation to their home address.

But what if the address is wrong? Without accurate addresses, it would be difficult to obtain accurate geocoding. For instance, a geocoding application might not recognize the difference between 123 Elm St. and 123 S. Elm St., which could be two totally different addresses located miles apart. A bad address diminishes the accuracy of a store locator - it's the biggest reason why some store locators get it wrong.

That's why businesses are more proactive about integrating routines for address verification with their geocoding initiatives.

Dansko - the footwear manufacturer and distributor known for its popular "stapled clogs" - successfully integrates address verification technology as part of its geocoding solution.

Dansko distributes its footwear to more than 3,500 retail locations. The company sells its products through specialty retailers and online shoe venues. Dansko uses an address verification API to validate and standardize its retailers' contact data, which include each store's address, city, state, phone number and ZIP Code. The footwear manufacturer wants to ensure that its retailers' information is uniform and correct before it geocodes the data. Once the addresses are verified and corrected, Dansko uses a geocoding solution to append latitude and longitude coordinates - allowing the company to zero in on the exact location of each retailer's store.

The company's website - Dansko.com - features a "Find a Store" lookup function, which enables shoppers to locate Dansko retailers by entering a ZIP Code or city. After typing in the ZIP Code or city, the "Find a Store" function will do a radial search from 10 to 50 miles and display a listing of local retailers that sell the Dansko brand - right down to the shoe style and color level. To do this, Dansko checks its shipping history to see if a set minimum quantity of a particular shoe/color was shipped. This would mean that the retailer carries the shoe in its inventory.

By integrating address verification and geocoding technology into its website, Dansko creates a more enhanced and personalized experience for online visitors and drives foot traffic to its retailers' stores.

It's all in the Delivery: Geocoding as a Routing Tool
The use of geocoding applications as a delivery/routing tool has proven to be a necessary component for businesses that rely on having their products delivered on time and to the right location. Geocoding also enables companies to perform route sequencing technology, which calculates the most time efficient, optimal way to deliver or visit multiple locations.

For snack foods giant Frito-Lay, the use of geocoding technology is vital. Frito-Lay utilizes geocoding techniques to ensure efficient delivery of its consumables and manage and control the flow of goods.

Frito-Lay uses geocoding technology with its routing application to zero in on the precise location of its vendors' addresses - and doing so has helped increase the rate of accurate deliveries by 80 percent.

Obtaining precise geographic information is also a must-have for the same-day delivery industry. Just ask CXT Software. The Phoenix, Arizona-based courier software and mobile resource management technology firm wanted to increase dispatch efficiencies by determining the exact location of its delivery personnel.

CXT Software integrated a geocoding solution into X Dispatch, its flagship product. X Dispatch is an enterprise-level software application that allows a dispatcher to see the active orders and drivers on the same screen. The software applies advanced algorithms to the geocoded location of each order and driver, which allows the dispatcher to select the best driver for each job.

"Geocoding allows the quick plotting of the address on a map," said Lyndon Edmonson, chief financial officer for CXT Software. "Distance, whether it is from a map or some other algorithm, is more quickly ascertained with latitude and longitude than other methods. Precisely knowing where a pickup or delivery is, and where the driver is, increases his proficiency and aids in his ability to make good dispatching decisions."

Based on a recent analysis report, the company's use of geocoding technology improved a customer's overall operations; revenues jumped 7 percent, online orders increased 25 percent - while costs dipped by 4 percent.

Wherever You Are, There You'll Be: Geocoding as a Local Search Tool
Other businesses use geocoding technology to deliver more relevant content to online visitors, to create better relationships with Web visitors and to improve customer satisfaction and retention rates. By offering more relevant content to the site visitor, retailers can prevent - or at least decrease - website and transaction abandonment.

HelloMetro - a global network of city search guides - provides website visitors with the ability to identify local restaurants, hotels, businesses and attractions in targeted ZIP Codes and neighborhoods in all major cities in the U.S. This is the power that geocoding provides. HelloMetro's "hyperlocal" searches are powered by Maponics, a custom mapping and GIS data company.

The "hyperlocal" search functionality gives users more relevant information about a specific neighborhood or ZIP Code - right down to a map, local reviews and contact information.

Businesses require the highest level of accurate locational information available. Using geocoding technology can help a business answer fundamental questions, such as: What is the geographic area we serve? Are our sales territories and client clusters properly aligned? What are missed or overlooked areas where potential clients might exist? By geocoding client data you can see patterns emerge and create new opportunities for businesses. Utilizing a geocoding solution can help businesses strengthen customer relationships, improve profitability and increase effectiveness - all of which are critical in expanding business in a down economy.


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The key is accuracy (#1)
by Jacob Grob, Proxix Solutions
   
Date: September 29, 2008 20:16 PM
Walker and Telleria are right on the mark. Adding geocodes to address data vastly increases its utility and allows much more complex analysis. Remember that there is a wide range of accuracy levels found in geocoding engines today. If you are doing a large-scale market analysis, requirements may be lower than if you are determining whether or not to insure a multi-million dollar home or are mapping POI's.

If you would like to learn more, feel free to contact me. Jacob Grob, 512-977-6894


Last line what I want (#2)
by Harvey Stein, GIS Consultant
   
Date: September 29, 2008 22:50 PM
"all of which are critical in expanding business in a down economy."

No kidding. I wish the article told me how to geocode in a down economy. We know we need geocoding. I don't want to spend $10K for it. Save the pep talk and tell me how I can geocode for under $500. What are my options? Wall street ate all my money.


No geocoding needed in the future (#3)
by Xinhang Shen, NAC Geographic Products Inc.
   
Date: September 30, 2008 16:41 PM
We are doing geocoding business four many years and found many problems associated with addresses:
1. street addresses are given with non-standard variations
2. street addresses are changing frequently
3. new street addresses may not be added in the databases yet
4. street addresses are frequently duplicated
5. street addresses may contain foreign characters
6. many locations do not have street addresses
7. street addresses are written very differently in different countries

All these problems may result in errors in geocoding and make the final geocoding based applications unreliable.

Can we solve all these problems in geocoding? Not easily!

However, there is a completely new approach that can get rid of all these problems: asking the user to provide their own Universal Address whenever they input their address on a web form. Since a Uniersal Address is a human friendly representation of longitude/latitude coordinates and has only 8 or 10 characters that can be easily read, remembered and communicated and gracefully included on business cards, letter heads, yellow page listings, etc, people can start using them all the time.

For example, if you have a web form for the user to input his address, you can add an extra input box for the Universal Address. If the user does not know their Universal Address yet, click a button beside the input box that will geocode the input street address and show it on both the input box and an embedded Google satellite image so that the user can verify the address. If it is wrong or not found, the user can pan/zoom the map to the right location to get the Universal Address. Here is an example: www.nacgeo.com/geocode/.

Then, in the future, all users will know their Universal Addresses and provide the Universal Addresses themselves. There will be no need to geocode addresses and no errors caused by the problems of street addresses.


Free batch geocoding (#4)
by Len Horowitz, IMAGINiT Technologies
   
Date: October 2, 2008 12:36 PM
Harvey - Try this site http://www.batchgeocode.com/. It's free and incredibly easy to use (and I have no connection to it whatsoever). I've only used it to create Google Earth maps of my client's locations - and only by zip code, so I can't verify its accuracy, but give it a try.

No Subject (#5)
by Kevin Crothers, ObjectFX
   
Date: October 2, 2008 14:10 PM
Jacob and Xinhang are right, accurate geocoding is not automatic. There are lots of reasons why address information doesn't geocode properly and they mostly boil down to GIGO. However, there are high quality geocoders that far exceed the traditional products. (Just ask Jacob.)

For applications that require both the utmost accuracy and highest percentage of correct hits, they are worth the investment. You get what you pay for. Too, it isn't really the geocodes that are the value--it's what you do with them that counts. For many spatially-aware applications, this value is derived from the spatial rules that govern the application.

kevin.crothers@objectfx.com


Comparison of Geo-coding software (#6)
by John Haake, J.H. Haake Market Research
   
Date: November 26, 2008 14:23 PM
Have there been any objective comparisons of geocoding software comparing accuracy and cost?

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