[seek-dev] ecogrid query
Arcot Rajasekar
sekar at sdsc.edu
Thu Jul 22 10:22:40 PDT 2004
On Thu, 22 Jul 2004, Matt Jones wrote:
> Hi Raja,
>
> Actually, metacat supports any metadata model that is in an XML
> serialized format. So FGDC, NBII, GML, and ISO metadata would all work
> fine in metacat, among others.
>
> Matt
>
> Arcot Rajasekar wrote:
> >
> > Matt
> > I like the approach of a separate metadata respository wityh links
> > to an object repository. But if the metadata is not in EML then we may
> > have to do some other metadata repository possibly MCAT.
> >
> > thanks
> > raja
> >
> > On Thu, 22 Jul 2004, Matt Jones wrote:
> >
> >
> >>Hi David,
> >>
> >>You can query using the existing ecogrid interfaces, but only against
> >>the metadata that is available for the data source. By default, SRB
> >>doesn't have much contextual metadata. I've talked with Raja about
> >>modifying SRB to accept an EML description of the data and load that
> >>into the extended metadata for the dataset, but that hasn't been done
> >>yet as far as I know. Another option is to load EML metadata describing
> >>the data into the KNB metacat, and then point that at the data objects
> >>in the SRB. Then, searching the EcoGrid will find metadata records in
> >>one system that point at data objects in abother system. But you'd be
> >>able to search the much more comprehensive EML metadata.
> >>
> >>If you have metadata you want to query, you can use the QueryBuilder to
> >>construct a query, but it is intended as a developer's tool for testing,
> >>not an end-user tool. Steve Tekell is designing and implementing a
> >>web-based query app for EcoGrid targeted at scientists. When finished,
> >>it will be installed as part of the SEEK web site. Until then, Rod's
> >>tool and the commandline client are your options for submitting a query.
> >> There is an extremely simple query tool prototype in Kepler, but right
> >>now it only searches the KNB Ecogrid node.
> >>
> >>Matt
> >>
> >>David Stockwell wrote:
> >>
> >>>Hi,
> >>>We are at the point now where we would like to query
> >>>the metadata on our datasets to return a list of those of interest,
> >>>for further processing. Could anyone suggest how we might
> >>>use the ecogrid to say, query for all datasets that concern climate?
> >>>Is this something I can use the QueryBuilder for Rod?
> >>>Cheers
> >>>
> >>>_______________________________________________
> >>>seek-dev mailing list
> >>>seek-dev at ecoinformatics.org
> >>>http://www.ecoinformatics.org/mailman/listinfo/seek-dev
> >>
> >>
>
>
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