Where is the centralized repository? CAS? BW
On Jan 15, 2012, at 6:16 PM, Bruce Barkstrom <[email protected]> wrote: > If you're working Earth sciences, there are at least four > different dialects for the terms: > 1. Global Change Master Directory > 2. ESDIS and derivatives > 3. ISO 19115-2 and other, related geospatial metadata standards > 4. CF Profile of Unidata (probably the most even handed of the lot > - albeit with a fair influence from the general circulation modeling > community - and therefore somewhat deficient with respect to various > observations) > > There are serious divergences in the vocabularies (GCMD and > CF Profile have some parameter names with each dialect having > about 1,000 terms and only about five to ten exact matches > when all the terms are cast into upper case. The JPSS terms > for the upcoming operational system may have more than 100,000 > individual items, but their vocabulary probably doesn't match up > exactly with the World Meteorological Organization's terms, etc. > > In short, there's exactly the mishmash one might expect from trying > to find the "common language" of isolated Amazonian tribes who > suddenly encounter each other on the streets of Rio. > > Best of luck trying to get to some commonality in describing either > data formats or time-space sampling patterns. > > Bruce B. > > > On Sun, Jan 15, 2012 at 3:12 PM, Mattmann, Chris A (388J) > <[email protected]> wrote: >> On Jan 15, 2012, at 9:05 AM, Crichton, Daniel J (4231) wrote: >> >>> Building a solid data architecture requires someone with extensive >>> experience. The planetary science data architecture, for example, is an >>> international effort with many sub-disciplines. Capturing data compliant >>> to that data architecture requires defining a solid, consensus-based model >>> and that takes time and it is a community effort. Other efforts aren't as >>> rigorous, so I think it depends on the application and use of OODT. In >>> some cases, it may be a simple model. >> >> +1, agreed. >> >> Cheers, >> Chris >> >> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> Chris Mattmann, Ph.D. >> Senior Computer Scientist >> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA >> Office: 171-266B, Mailstop: 171-246 >> Email: [email protected] >> WWW: http://sunset.usc.edu/~mattmann/ >> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> Adjunct Assistant Professor, Computer Science Department >> University of Southern California, Los Angeles, CA 90089 USA >> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >>
