[GeoNetwork-users] Z39.50 server

Hi,

I tried some Z39.50 clients to query for GeoNetwork records. Specifically izclient and zclient from here:

ftp://ftp.awcubed.com/pub/Software/Isite2
http://n2.nabble.com/Windows-z39.50-client-for-Geonetwork-tp2013758p2013759.html

izclient finds records, when I'm searching for a specific word. The number of total records looks correct, but if I want to display the record, it fails or returns error messages similar to here:

http://n2.nabble.com/Full-text-search-via-z39.50-tp2019510p2019512.html

Does anyone have a working client in use to acess the Z39.50 server and gets records back?

Thank you.

Regards,

--
Michael Stegherr, Computer Scientist
CSIRO Exploration and Mining | Phone 08 6436 8572
AARC, 26 Dick Perry Av, Kensington WA 6151, Australia

Hello Michael!

Could you help me explaining how did you configured GeoNetwork to
harvest data from Z39.50. I have problems with GeoNetwork 2.2.
Sometimes it even returns no records, when server has it for sure. So
I have similar problems connecting GeoNetwork with my Z39.50 servers.

On 4/15/09, Michael.Stegherr@anonymised.com <Michael.Stegherr@anonymised.com> wrote:

Hi,

I tried some Z39.50 clients to query for GeoNetwork records. Specifically
izclient and zclient from here:

ftp://ftp.awcubed.com/pub/Software/Isite2
http://n2.nabble.com/Windows-z39.50-client-for-Geonetwork-tp2013758p2013759.html

izclient finds records, when I'm searching for a specific word. The number
of total records looks correct, but if I want to display the record, it
fails or returns error messages similar to here:

http://n2.nabble.com/Full-text-search-via-z39.50-tp2019510p2019512.html

Does anyone have a working client in use to acess the Z39.50 server and gets
records back?

Thank you.

Regards,

--
Michael Stegherr, Computer Scientist
CSIRO Exploration and Mining | Phone 08 6436 8572
AARC, 26 Dick Perry Av, Kensington WA 6151, Australia
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--
Igor V. Burago

Michael.Stegherr@anonymised.com wrote:

Hi,

I tried some Z39.50 clients to query for GeoNetwork records. Specifically izclient and zclient from here:

ftp://ftp.awcubed.com/pub/Software/Isite2
http://n2.nabble.com/Windows-z39.50-client-for-Geonetwork-tp2013758p2013759.html

izclient finds records, when I'm searching for a specific word. The number of total records looks correct, but if I want to display the record, it fails or returns error messages similar to here:

By default, izclient asks for plain text (SUTRS) records. The Z39.50
implementation in GN doesn't seem to know how to make them from the
input XML. It's been a while since I fooled with querying GN from
Z39.50 so I could be misleading you if you set izclient to request XML
records instead (set the record syntax), GN's Z39.50 server ought to be
able to provide those. I think.

--

Archie

-- Archie Warnock warnock@anonymised.com
-- A/WWW Enterprises www.awcubed.com
-- As a matter of fact, I _do_ speak for my employer.

Hi Archie,

-----Original Message-----
From: Archie Warnock [mailto:warnock@anonymised.com]

By default, izclient asks for plain text (SUTRS) records. The Z39.50
implementation in GN doesn't seem to know how to make them from the
input XML. It's been a while since I fooled with querying GN from
Z39.50 so I could be misleading you if you set izclient to request XML
records instead (set the record syntax), GN's Z39.50 server
ought to be
able to provide those. I think.

Thanks for your help. In the meantime I tried a different client (yaz-client) and I was able to get XML back.

But actually I tried the Z39.50 interface to find out, if it's possible to query all text fields in the XML (not only the Dublin core ones). There are some attributes for Z39.50 queries, which suggest this:

Use attribute Value
Body of text 1010
Any 1016
Anywhere 1035

But that doesn't seem to work. According to this demo script: http://admin.credoreference.com/pages/xrefer-yaz-demo-script.txt it should be possible to do an "anywhere search":

! echo (anywhere search) @attr 1=1035 brain
find @attr 1=1035 brain

It is probably not implemented in the GeoNetwork Z39.50 server.

Cheers,
   Michael

Hello Igor,

-----Original Message-----
From: Igor V. Burago [mailto:iburago@anonymised.com]

Could you help me explaining how did you configured GeoNetwork to
harvest data from Z39.50. I have problems with GeoNetwork 2.2.
Sometimes it even returns no records, when server has it for sure. So
I have similar problems connecting GeoNetwork with my Z39.50 servers.

I'm not harvesting Z39.50 _with_ GeoNetwork.

I was trying to query GeoNetwork with a different Z39.50 client and get metadata records back.

Cheers,
    Michael