[OSGeo-Standards] Re: [Aust-NZ] ESRI/Google indexing spatial data.Where is OGC?

[shoaib]

Thanks for the pointer Bruce ... this search form is excellent as it
indexes metadata from federated databases -- a huge accomplishment.

The only issue is that there is no API. Use of the search service is
restricted to the HTML form and static pages.

Someone can correct me if I am wrong.

Here is why I think Google/ESRI announcement is so compelling...
Google's search API is published as a REST service.
http://code.google.com/apis/ajaxsearch/

it's simple to implement. Simplicity is often underrated. One factor
that makes or breaks a standard is its uptake amongst developers, and
that is related to long does it takes a developer to read the standard
and put together an implementation of the standard.

my reading of the point that Jo made about results is partly one of
comparative uptake of standards. It takes a lot longer to implement an
XML RPC interface vs. a RESTful interface. I suspect it's also the the
reason why it takes so long for projects that have to implement
cumbersom standards to get up and running.

Shoaib Burq

On Tue, May 27, 2008 at 4:40 PM,  <Bruce.Bannerman at dpi.vic.gov.au> wrote:
>
> IMO:
>
>
> Jo,
>
>>
>> Cameron, your call for "standards" for web-based spatial data search
>> would be well-placed if there were any available that had proven their
>> worth, but I don't see that there is anything of proven worth yet -
>> it is too early to tell which approaches are going to work.
>> This does *not* seem like a problem that is proving tractable to
>> upfront formalisation. I have *not* been able to persuade anyone to
>> change their approach just through discussion. The OGC recommendations
>> with CSW and the ISO standards for data and service metadata haven't
>> demonstrated much widespread use or technical success yet.
>> What's changing?
>>
>
>
> Have a look at: http://asdd.ga.gov.au/asdd/tech/zap/basic.html
>
> Try searching for any type of data that takes your fancy.
>
> The ASDD entry page will take this search and query a federated set of other
> metadata catalogues.
>
>
>
> This is an example of what can be done with current standards (also the
> basis of those supported by CSW).
>
>
> There used to be a similar entry page on the GSDI web site, but I can't seem
> to find it this morning.
>
>
>
>
> Bruce Bannerman
>
>
>
>
>
>
>
>
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