[ESIP-all] Web Services Demo / Collaboration Opportunity
Karen.Moe@gsfc.nasa.gov
Karen.Moe at gsfc.nasa.gov
Fri Mar 3 18:39:17 EST 2006
The NASA Earth Science Data Systems Working Group on Technology
Infusion (TIWG) is collaborating with the ESIP Federation Web
Services Cluster to present a demonstration of web service chaining
technology at the July 2006 ESIP Federation meeting in NY.
You can follow the activity at the Federation wiki:
http://www.esipfed.org/wiki/index.php/Web_Services
or you can participate directly by registering your software services
and incorporating them into the demonstration scenario. The next Web
Services Cluster telecon will be lead by Brian Wilson to discuss how
to get your project / software incorporated into the demo.
Monday, March 6, at 12 noon (EST), 9 AM (PST).
ACCESS (Dial-In) NUMBERS:
866-325-0587 (Toll-free North America)
2053540145 (International)
MEETING NUMBER: *2361171*
The TIWG holds monthly telecons on the 3rd Thursdays at 4pm (EST), 1pm (PST)
888-677-7890 Passcode: 82333
The TIWG will discuss the technology infusion goals, lessons learned,
and how to share these findings with the community at large. Your
participation in this web services tech infusion "prototype" is most
welcome.
Karen Moe
Follow are the plans as set at the January 2006 ESIP Federation meeting.
ESIP Federation Summer Meeting - Web Services Demonstration
Objectives
Registering services in the ECHO testbed
Goal: get more PI's involved to identify and register in ECHO
testbed (WSDL, associated data)
Discover multiple instances of the same service (functional equivalence)
Examples: How many reprojection services exist? Reformatting,
format translators, subsetters?
Note difference between human discovery vs machine-level
discovery for automated flow
Discover data set + discover services which operate on that data set
+ execute service
Show integration of services from multiple providers
Demonstrate a variety of workflow options (scripting, workflow engines)
Test Scenarios
Tutorial - for scientists to show benefits of web services
1. Optional demo - show what services currently exist in ECHO registry
2. Space time query to get list of granules - automatically
order the granules - result is list of on line URLs
3. Integration (web service chaining) of up to 3 different
services (from Rudy, Brian, Liping) showing cross system connectivity
(eg, space/time query, reprojection, subsetting, ... ). Show script
(basic description) of service chain.
4. Optional demo - show service chain through different workflow tools
5. Science scenarios - Example: drought analysis using
historical end current data for vegetation to identify drought
condition.
Demo Venue
ESIP Federation main session - demos with short description of
scenario/benefit of web services
Examples: automatically fulfill space/time query requests (demo 1)
science scenario to demo value
[Note: GCMD SERF and ECHO UDDI are working on interoperability linkage]
Technical session - follow up demos with flow diagrams that describe
the processes that allowed the demo to work
--
*****
Karen L. Moe email: Karen.L.Moe at nasa.gov
Earth-Sun System Technology Office http://esto.nasa.gov
NASA/GSFC MS Code 407 phone: (301) 286-2978
Greenbelt, MD 20771 FAX: (301) 286-2756
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