1. Victoria, May 18 2006 Breakout Session III Theory Interest Group Breakout Session III Victoria, May 19 2006

2. Victoria, May 18 2006 Breakout Session III Modeling metadata Focus: describe SNAP-like simulations –N-body –(adaptive) mesh –evolving objects in 3D space Subjects: –Physics, phenomenology (semantics) –Design and provenance –Characterisation Use –SNAP service –Registration

3. Victoria, May 18 2006 Breakout Session III Proposed approach Conceptual/analysis model first –Decide what we want to model –Model this problem domain in some, but not every detail –No consideration of implementation or efficiency –Start with listing of concepts ala Semantics standard vocabulary (use those results) Create logical model that has details filled in and is targeted to the actual problem area. All in UML ! Create bindings to relevant languages –XML schema –Java, C#, … –Relational model (for ADQL)

4. Victoria, May 18 2006 Breakout Session III Model areas Charecterisation as summary of properties –What do we characterise ? –What could we have seen ? –What did we see ? –How do we summarise ? Physics –What physical processes –What objects –… Numerical Algorithm –What type of simulation –What parameters –…

5. Victoria, May 18 2006 Breakout Session III