On Oct 13, 2006, at 11:08 AM, Andrew Turner wrote:
[EMAIL PROTECTED] wrote:
They also seem to be taking seriously and working at using OGC
services to provide specific free or low-cost usage of their data, as
distinct from "free for any use" delivery of entire datasets. This is
a useful and appropriate connection with the concept of mashups. By
the way, almost all data made accessible through OGC services and
encodings has some rights reserved (e.g. attribution), however they
are being regarded as "free and open".
This is assumed for all data sources?
Not assumed, but there are almost always conditions of use. US and
Canada are very concerned about the conditions of use even when they
distribute data without charge. Liability and all that. Expressing
those conditions has just been rather haphazard and not supported
explicitly by the OGC Web Services framework up until now (outside of
a metadata tag in the WMS capabilities).
My disclaimer: I am working with OS and with OGC on what is called
"GeoDRM" but which is actually a wide concept of rights management in
the use and distribution of geodata, including such things as
Creative Commons and GPL.
So this means there will be a way to specify the actual license under
which data is published and aggregated?
The idea is to have a common framework for both referencing and
agreeing to a machine-readable license expression. Stamping a website
with a Creative Commons logo is one approach, but not always the most
appropriate, particularly with the variety of ways in which one can
process and represent geodata.
Andrew
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