Request for Information on Data Brokering/Mediation services

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Request for Information on Data Brokering/Mediation services

Siri Jodha Khalsa
Request for Information on Existing Data and Information Mediation Services

The US National Science Foundation is developing a new data and knowledge management system for the 21st Century, called EarthCube, with a goal of providing geoscientists with the data and tools needed to improve interdisciplinary science and education. Differences in the attitudes, protocols and semantics used in sharing information across scientific communities is one of the key challenges that EarthCube must address. Solutions based on having all disciplines adopt a common discovery and access technology are deemed unrealistic so we are looking for instances of interdisciplinary interoperability supported by means of mediation.

If you use or know of any software or service that mediates the interactions between multiple, heterogeneous systems to facilitate the discovery, access, processing or semantic interpretation of data, we would very much appreciate receiving your answers to the questions below. If you cannot answer all the questions please provide a contact for obtaining further information.

Your response will be most useful to us if received by September 24. You may either reply to this email or send your response to Siri Jodha Khalsa at [hidden email].  
Thank you for your cooperation.

  1. What is your name, organization and contact information?
  2. What is the name of the software/service that performs mediation?
  3. In what application domain is it being used?
  4. Who created the software/service? Who currently maintains it?
  5. How is the software/service accessed? (web-based, grid-based, standalone)
  6. If the software/service supports data discovery by distributing queries to multiple repositories of data or information, must those repositories all use the same discovery protocol?
  7. Can the mediation software/service interpret records that use different data models or metadata standards?
  8. Does the software/service require that the repositories it accesses possess any common element (software, protocol, data model, etc.)?
  9. Can the software/service itself be accessed via different protocols?
  10. Does software/service provide direct access to data after discovery?
  11. Can the software/service mediate between different ontologies, vocabularies, or natural languages?
  12. Is there a maximum number of different sources that the software/service can support? How many concurrent users can it support? What are typical response times during interactive sessions? What are its known performance bottlenecks?
  13. Can the software/service orchestrate the connection and execution of heterogeneous workflows/processing services?
  14. Will the software work in a high performance computing or non-web environment?
    -- 
    SiriJodha Singh KHALSA, Ph.D.
    Cooperative Institute for Research in Environmental Sciences
    University of Colorado, Boulder, CO 80309-0449 
    Office: 1-303-492-1445 GV: 1-303-736-9976
    http://cires.colorado.edu/~khalsa
    

-- 
Siri-Jodha Singh KHALSA, Ph.D., SMIEEE
National Snow and Ice Data Center
University of Colorado
Boulder, CO 80309-0449 Phone: 1-303-492-1445 GV: 1-303-736-9976
http://cires.colorado.edu/~khalsa

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