[cat-interop] CSW APISO ServiceTypes

[Signell, Richard]

Tom,
Good idea.

Q: do you plan to add folks as collaborators, or do everything via
pull requests (if someone wanted to create an .md file, for example?

-Rich

On Thu, Feb 20, 2014 at 12:57 PM, Tom Kralidis <tomkralidis at gmail.com> wrote:
> Take two: I thought it would be more valuable to change to
> https://github.com/OSGeo/Cat-Interop, given this can be a working area
> for link types as well as other items of Cat-Interop.  Done.
>
> On Thu, Feb 20, 2014 at 12:47 PM, Tom Kralidis <tomkralidis at gmail.com> wrote:
>> Done: https://github.com/OSGeo/LinkTypes
>>
>> On Thu, Feb 20, 2014 at 12:35 PM, Signell, Richard <rsignell at usgs.gov> wrote:
>>> Tom,
>>>
>>> Setting up a repo on Github (e.g. Geo/LinkTypes) seems to me a great
>>> idea.  We could then track issues and files and have a better
>>> organized conversation.
>>>
>>> Thanks for offering this up!
>>> -Rich
>>>
>>>
>>> On Thu, Feb 20, 2014 at 12:29 PM, Tom Kralidis <tomkralidis at gmail.com> wrote:
>>>> Rich: good points here.  FYI we are running into this (as we speak) in
>>>> MetaSearch (https://github.com/geopython/MetaSearch) as part of being
>>>> able to seamlessly add services or data within QGIS workflows:
>>>>
>>>> https://github.com/geopython/MetaSearch/issues/20
>>>> https://github.com/geopython/MetaSearch/wiki/Discovery-workflow
>>>>
>>>> I know that Bart van den Eijnden (on here) has also faced these issues
>>>> as part of JavaScript implementations.
>>>>
>>>> Having said this, one of the major goals of cat-interop, as discussed
>>>> at foss4g 2013, is to better articulate link types to help CSW
>>>> clients.
>>>>
>>>> An important step here is to have a consistent vocabulary for
>>>> gmd:protocol, or dct:references/scheme or dc:URI/@protocol
>>>>
>>>> Options:
>>>> - OGC URN Policy: http://www.opengeospatial.org/ogcUrnPolicy
>>>> - ESRI: it looks like ESRI Geoportal implements the OGC URN Policy
>>>> with some extensions/additions
>>>> - Geonetwork enumerations:
>>>> https://github.com/geonetwork/core-geonetwork/blob/develop/web/src/main/webapp/WEB-INF/data/config/schema_plugins/iso19139/loc/eng/labels.xml#L1894.
>>>>  Many downstream applications are tied to these, such as GeoNode
>>>>
>>>> I propose standing up a repository on GitHub (OSGeo/LinkTypes) to:
>>>>
>>>> 1) identify a harmonized list of link types for:
>>>>  - metadata publishers to use
>>>>  - CSW implementations to implement as required (e.g. when harvesting, etc.)
>>>> 2) based on this, produce a list a possible detection
>>>> patterns/heuristics on determining what type of link is being parsed
>>>> by a given client.  This can be used to set a link type in metadata,
>>>> or guess what a URL can do
>>>>
>>>> Thoughts?
>>>>
>>>>
>>>>
>>>>
>>>> On Thu, Feb 20, 2014 at 8:32 AM, Signell, Richard <rsignell at usgs.gov> wrote:
>>>>> Catalog Interoperability folks,
>>>>>
>>>>> As part of a system test for the Integrated Ocean Observing System,
>>>>> we've been trying CSW apiso queries to different endpoints and trying
>>>>> to retrieve specific service types from the retrieved records (e.g.
>>>>> WMS, WCS, OPeNDAP).  This has been revealing, but not that surprising
>>>>> -- different endpoints represent the services differently.
>>>>>
>>>>> As an example, two geoportal servers (at NODC and NGDC) I've been
>>>>> working with have:
>>>>>
>>>>> WMS:
>>>>>
>>>>> urn:x-esri:specification:ServiceType:wms:url
>>>>> urn:x-esri:specification:ServiceType:WMS
>>>>>
>>>>> OPeNDAP:
>>>>>
>>>>>  "urn:x-esri:specification:ServiceType:odp:url"
>>>>>  "urn:x-esri:specification:ServiceType:OPeNDAP"
>>>>>
>>>>> The providers at NODC and NGDC are both willing to change, and would
>>>>> be happy to use a "standardized" representation -- if only they knew
>>>>> what it was!
>>>>>
>>>>> Have folks on this list worked on this issue yet?
>>>>>
>>>>> Thanks,
>>>>> Rich
>>>>> --
>>>>> Dr. Richard P. Signell   (508) 457-2229
>>>>> USGS, 384 Woods Hole Rd.
>>>>> Woods Hole, MA 02543-1598
>>>>> _______________________________________________
>>>>> cat-interop mailing list
>>>>> cat-interop at lists.osgeo.org
>>>>> http://lists.osgeo.org/cgi-bin/mailman/listinfo/cat-interop
>>>
>>>
>>>
>>> --
>>> Dr. Richard P. Signell   (508) 457-2229
>>> USGS, 384 Woods Hole Rd.
>>> Woods Hole, MA 02543-1598



-- 
Dr. Richard P. Signell   (508) 457-2229
USGS, 384 Woods Hole Rd.
Woods Hole, MA 02543-1598