In an ISO 13139 one can link to onlien resources. Unfortunately there is no standard for the protocols, although geonetwork contains a list. Here we name the open standard protocols that used in the Openearth softwae stack

INSPIRE x service

OpenEarth step

xml string

description

xml string proposed by

1.discover

5. catalog

WWW:LINK-1.0-http--link

finer-grained catalogue

openearth

1.discover

5. catalog

OGC:CSW

finer-grained catalogue

openearth

2.view

4. graphics

WWW:LINK-1.0-http--link

WebGIS portal

geonetwork

2.view

4. graphics

OGC:WMS

OGC service

geonetwork

2.view

4. graphics

GLG:KML-2.0-http-get-map

OGC service

geonetwork

2.view

4. graphics

OGC:KML

OGC service

geonetwork

4.transformation

3. tailored

OGC:WPS

OGC service

geonetwork

3.download

3. tailored

OGC:WFS

OGC service

geonetwork

3.download

3. tailored

OGC:WCS

OGC service

geonetwork

3.download

2.standard

DB:POSTGIS

geospatial database

geonetwork

3.download

2.standard

WWW:LINK-1.0-http--opendap

netCDF-CF-OPeNDAP

geonetwork

3.download

1.raw

WWW:LINK-1.0-http--link

url

geonetwork

3.download

1.raw

WWW:DOWNLOAD-1.0-http--svn

SubVersion url

openearth

3.download

1.raw

WWW:DOWNLOAD-1.0-http--git

GIT url

openearth

3.download

1.raw

WWW:DOWNLOAD-1.0-http--hg

Mercurial url

openearth

3.download

1.raw

WWW:DOWNLOAD-1.0-http--download

http download

geonetwork

3.download

1.raw

WWW:DOWNLOAD-1.0-ftp--download

ftp download

geonetwork

 

UKST

unknown

 

 

http://geonetwork-opensource.org/manuals/trunk/eng/users/quickstartguide/new_metadata/linking.html

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