International Virtual Observatory Alliance

Difference: VoeventWorkshop (4 vs. 5)

Revision 52005-03-25 - SarahEmeryBunn

META TOPICPARENT	name="IvoaVOEvent"

VOEvent Workshop

April 13 and 14, Pasadena, California

Location: CACR, California Institute of Technology
Directions

Registration:

Please send email to Roy Williams (roy@caltech.edu).

Travel:

There is a list of Pasadena hotels on the Caltech website:

Pasadena Hotels

The closest ones to Caltech (walking distance) on that list are the Saga Motor Hotel and The Westway Inn on Colorado Boulevard.

Agenda:

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Define scope and reach a consensus on the semantic content of a discovery/followup message for an immediate sky event. This will be based on the existing draft at the IVOA Twiki.
Consideration of serializing such a message into XML components, with re-use of existing schema where relevant.
Discussions of the language by which clients could subscribe to a VOEvent server, with fine control over which messages are to be received.
Discuassions of database and transport technologies for carrying VOEvent messages.
Consideration of how existing systems could have a VOEvent capability added with maximal functionality and minimal effort.
Finding volunteers to set up prototype systems.

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Focus Area 1 What are the purposes of a system that exchanges information about immediate astronomical events (VOEvents). How and why should we search and subscribe to such a feed? How would messages be generated from one telescope and be used to drive another telescope? What can be done with a federation of VOEvent data from different sources? (eg searching LIGO/GRB databases? Xray flash followed by optical transient?)

Focus Area 2 What is the semantic structure of a VOEvent message? Is the "Who, When, Where, What, How" paradigm the correct one? How should existing schema be integrated? Please try to read the existing draft semantics: http://www.ivoa.net/internal/IVOA/IvoaVOEvent/VOEvent-0.3.htm

Focus Area 3 How can we make a set of adjectives ("ontology") that can be used to describe a VOEvent (eg supernova, planetary volcano, magnitude increase, etc)

Focus Area 4 How can we build a system that exchanges VOEvent messages for the purposes that we uncover in Focus Area 1? What are the softeare components, protocols, and messages? What is the security infrastructure (if any)? Who can create and inject messages into the system? Who can read, subscribe, and query the messages?

Weds April 13 - Powell-Booth Room 100

8.00 am	Breakfast and Wifi
9.00 am	Roy Williams, Why are we Here?
9.30 am	Scott Barthelmy, Gamma Ray Burst Event Reporting
10.00 am	Derek Fox, Transient Astronomy "Free-for-All" at the Astronomer's Telegram
10.30 am	Break
11.00 am	George Djorgovski, The Palomar-Quest Survey and Exploration of the Time Domain
11.30 am	Tim Axelrod, Events in the LSST
12.00 pm	Lunch
1.00 pm	Group discussion on vocabulary for event types
1.40 pm	Robert White, The Thinking Telescope Project: RAPTOR and Telescope Interconnectivity using TALONS
2.20 pm	Alasdair Allen, Robotic telescope networks, agent architectures and event messaging
3.00 pm	Break
3.30 pm	Joshua Bloom, Implementing a Real-Time VOEvent Messaging Network
4.10 pm	Group discussion on IVOA working group: core members, Kyoto
5.00 pm	Adjourn
7.00 pm	Dinner, Location TBD

Thurs April 14 - Powell-Booth Room 100

8.00 am	Breakfast and Wifi
9.00 am	Szabolcs Marka, Gravitational wave detectors as users and sources of astrophysical events
9.30 am	Matthew Graham, XML Schema and the VORegistry
10.00 am	Frederic Hessman, Robotic Telescope Markup Language
10.40 am	Break
11.00 am	Rob Seaman, Introduction to IVOA Space/Time Coordinates
11.30 am	Group discussion on space and time representation
12:00 pm	Lunch
1.00 pm	Group discussion on event model
1.30 pm	Breakout: Schema integration and generation
	Breakout: Interoperation with existing systems
3.00 pm	Break
3.30 pm	Breakout: Writing VOEvent definition
	Breakout: Collaboration of event producers and users
4.30 pm	Roy Williams, Summary and next steps
5.00 pm	Adjourn

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