[OSGeodata] geodata schema for persistence, discovery and binding

[Stefan F. Keller]

Norman, You mentioned a bot (a web crawler) which probably needs a gatherer
component to 'harvest' metadata (aka 'deep web' crawler) using one of these
protocols (CSW, WFS or OAI-PMH).

What I am currently thinking about here - inspired by OAI-PMH and Dublin
Core - is a) do we need persistent metadata identifiers, b) is an
attribute indicating protocol enough as an entry point to 'discover and
bind' even specific services like WMS and later on SOAP (according to
"occam's razor prinziple" or to the parsimonious approoach)?

Or did you mean to spidering also through HTML pages as a 'focused crawler'?
If yes, I know Heritrix and I am sure there are some tools around at OAI-PMH
tools page. What do you plan to use?

-- Stefan
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