[Talk-us] Tiger 2007 Data

[Dave Hansen]

On Sun, 2008-10-19 at 11:33 -0700, Alan Brown wrote:
> > Then, decide how if/when it is appropriate to write over the old
> TIGER
> > stuff with new.  Or, to merge it somehow.
> 
> Be very, very careful here.
> 
> Conflation is a difficult thing.  I used to work at Tele Atlas, and
> there was a major project to conflate Tele Atlas North American data
> and GDT data (a company they just acquired).  They had at least a
> hundred people committed full time to completing the task in a year (I
> don't know the exact number), with tens of millions in funding - and
> they failed in a big way.  The head of the North American division got
> axed as a result.

It's not a difficult thing if nothing has been changed since the last
import.  My goal for now is simply to overwrite the things that haven't
been updated by people since the last time I touched them.

-- Dave