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| GeoCommunity Mailing List |
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| Subject: | RE: [gislist] Incorporating 2000 Census Data in HPMS |
| Date: |
12/25/2003 12:00:02 PM |
| From: |
Sonny Parafina |
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This is a very common problem with in organizations that use GIS. Because
GIS frequently begins its life-cycle in an organization on a
project-by-project basis, the focus is typically in cartographic products
and not on data management. It is not uncommon to find multiple sets of
essentially the same data that users have tweaked or embellished for their
purposes. This practice is exacerbated within a community of GIS
practioners that are loosely linked but have common interests. The result is
a fragmentation of the source data to the point it is difficult to make
apples-to-apples comparisons between data from different organizations.
There is definitely a need of a "coordinator" for source data. I prefer the
term "authoritative data steward" because it implies that an
organization/person is the recognized source of data and that the
organization/person has established a well known and defined process of
change management for the data. While the organizational portion is a
business process, the mechanism for delivering data from an authorative data
steward has been hampered by the data silos (muliple data formats) created
by vendors and spatial data providers.
This is the reason I support the efforts of the OpenGIS Consortium. The
delivery of data in a standard, published, and vendor neutral format
(Geography Markup Language) and definition of geospatial web services makes
on-demand data delivery a reality. Authoritative data stewards can use OGC
standards to implement a geospatial service architecture based on the
publish-find-bind model. In the case of HPMS reporting, the FHWA provides
an application for HPMS reporting. There is no reason why the software can
not make use of a web services architecture that automates the update of
data, similar to system updates in operating systems or even the data
updates in MS MapPoint. This certainly would be more efficient than sending
out requests to the community to download the data, and it would decrease
the level of effort for users to update their data.
Season's Greetings,
sonny
-----Original Message-----
From: gislist-bounces@lists.thinkburst.com
[mailto:gislist-bounces@lists.thinkburst.com]On Behalf Of
DickBoyd@aol.com
Sent: Thursday, December 25, 2003 1:01 AM
To: gislist@lists.thinkburst.com
Cc: cpdod-omsem@juno.com
Subject: [gislist] Incorporating 2000 Census Data in HPMS
This is a link to a Federal Highway Administration request for states to use
a consistent data source for population.
http://knowledge.fhwa.dot.gov/cops/hcx.nsf/A/C59D16B068E6842085256E06005782E
D
Does this sound like a common GIS problem? Singing from different sheet
music. Is there a need for someone to coordinate data sources?
dickboyd@aol.com
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