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Website Analytics - Tracking and Logging Forum

    
geolocation paper
survey of techniques and limitations
gregbo

WebmasterWorld Senior Member 5+ Year Member



 
Msg#: 4265 posted 8:30 pm on May 31, 2006 (gmt 0)

IMO, this paper [ccsl.carleton.ca] provides a good explanation of how geolocation works. I recommend it to anyone who has expressed concerns about the results they get from geolocation databases, or wants more background on the topic.

 

FTFlash

5+ Year Member



 
Msg#: 4265 posted 10:10 pm on Jun 18, 2006 (gmt 0)

Nice find! This article is really in depth.

evaddnomaid

5+ Year Member



 
Msg#: 4265 posted 3:19 pm on Jun 19, 2006 (gmt 0)

Looks like a good article. But it seems to me the best way to prove location for most needs is by telephone number. Let the user provide a phone number, then call them on that number to verify that they are at the phone number they say. You can automate this with a readily available and inexpensive Web service. (Try a Web search for "telephone verification web service")

Once you know their phone number you can find their location by area code (or use a Web service to get more info on that number).

gregbo

WebmasterWorld Senior Member 5+ Year Member



 
Msg#: 4265 posted 9:27 pm on Jun 19, 2006 (gmt 0)

Looks like a good article. But it seems to me the best way to prove location for most needs is by telephone number. Let the user provide a phone number, then call them on that number to verify that they are at the phone number they say. You can automate this with a readily available and inexpensive Web service. (Try a Web search for "telephone verification web service")

What if they're using a mobile phone? Also, some area codes (in the US and Canada) span large geographical areas. Further, it isn't always practical to take phone numbers; people change phone numbers; people use multiple phones.

Receptional

WebmasterWorld Administrator receptional us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 4265 posted 2:51 pm on Jun 21, 2006 (gmt 0)

I have a US phone number.

I'm in the UK...

I also have UK regional numbers that redirect to call centers anywhere in the world and are about as regional as a migrating bird.

evaddnomaid

5+ Year Member



 
Msg#: 4265 posted 3:09 pm on Jun 21, 2006 (gmt 0)

Once you have verified the phone number you can learn all about the number and its owner; do a Web search for "intelligence single phone number web service".

gregbo

WebmasterWorld Senior Member 5+ Year Member



 
Msg#: 4265 posted 9:24 pm on Jun 21, 2006 (gmt 0)

Once you have verified the phone number you can learn all about the number and its owner; do a Web search for "intelligence single phone number web service".

How does it verify the phone number, especially if the number is mobile or otherwise portable? How quickly are changes in registration made to the database mapping phone numbers to individuals? (Note these are among the same problems cited by the geolocation paper. It seems that if the problems cited are easily surmountable with phone numbers, there would be a strong push within industry to use phone numbers in geolocation.)

As an aside, since search engines and ad networks are using geolocation (presumably) to determine what ads to place on results pages, it isn't practical for them to require users to submit phone numbers.

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