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Re: Paper on OpenDAP

Hi Glenn, et al

We will also submit a paper at 2006 AMS IIPS, title "Unidata's THREDDS Data Server" (John Caron, Ethan Davis, Robb Kambic, Yuan Ho). Tentative abstract:

*Unidata's** THREDDS Data Server*

John Caron, Ethan Davis, Yuan Ho, Robb Kambic

The Thredds Data Server (TDS) combines Thredds Catalog Services with integrated data serving capabilities, including OPeNDAP and WCS, and automatic catalog generation. The data serving capabilities are built on the NetCDF-Java version 2.2 library, which combines the NetCDF-3, OPeNDAP 2, and HDF5 data models, into what is called the nj22/Netcdf-4 Common Data Model. TDS is 100% Java, open source, and runs as a Tomcat web server application. This paper will detail its capabilities and implementation status.

Feel free to quote, steal, or reference.

We'd like to read your BAM paper when its available. Also yours, Tennessee.

Glenn Rutledge wrote:

Hi Peter (Ethan?)
I have also just completed the review comments for an accepted AMS BAMS paper on NOMADS- mostly on data availability and OPeNDAP enabled client/servers- it's also a requested companion paper to the new NCEP Regional Reanalysis.
I included ODC but would like to include words on new directions as per Tennessee......the TDS----is there anything I can use as a citation or at least sentence or two? Regards, Glenn

Peter Cornillon wrote:

Hi Tennessee,

I assume that James will chime in with some more info re plans in the future. What I often do when looking for data is to use google. For example, a Ferret user just asked the Ferret e-mail list where he might get T/P data. I googled: topex opendap coards. Ferret feels comfortable with COARDS so I figured that if I could find his data in COARDS for available via OPeNDAP he should suck the data directly into Ferret via OPeNDAP. I found the MERSEA site right off the bat. I've used the same trick to find SST data and wind data. The work that we are currently doing to incorporate THREDDS into OPeNDAP servers as well as to upgrade our servers so that they indicate their presence on the network is aimed at the same problem. Hopefully, one can use Google or another search engine to find OPeNDAP servers and then one can crawl these sites via the THREDDS catalog. We do have a project with the UCSB Alexandria Digital Library group to work on better data discovery and I believe that they are investigating a web crawler that will look for OPeNDAP server based on some of the ideas that I have brought forward re searches via Google. Hope that this helps.


p.s. If you are interested in papers that we have published re OPeNDAP, please let me know and I will point you at them.

On Aug 11, 2005, at 8:34 PM, Tennessee Leeuwenburg wrote:

Hi all,

I have written a draft paper on the work I have been doing at the Australian Bureau of Meteorology which has been accepted into a conference here in September. In light of some of the reviewer comments, I would like to spend a little more time describing the OpenDAP community, and going into more depth w.r.t. XML data catalogs etc.

One thing I thought I might try would be to write a catalog crawler to demonstrate how one can discover data sources using automated tools to a greater extent that possible under ad-hoc data publication.

I also thought I would get some feedback on what the community saw as the most interesting aspects of thredds/opendap, and what new directions are on the horizon (if I might be allowed to mix my metaphors).


Peter Cornillon
Graduate School of Oceanography - Telephone: (401) 874-6283
University of Rhode Island - Fax: (401) 874-6728
Narragansett, RI 02882 - E-mail: address@hidden

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