Many of us have struggled to get a list of GIS services that are available on the internet. Specifically map services that expose OGC based interfaces like WMS, WFS or Web Service interfaces like ...
In different publications I read sometimes CSW or sometimes CS-W for the standard of transferring metadata-documents. What is the correct 'official' spelling?
Is there an "almost always available" service URL for a public Catalog Service (CSW) available anywhere? I'm keen to test CSW client capabilities without having to configure a CSW server.