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Semantics: Session 3
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  1. Semantics: Session 3 Joint Session: Semantics, VOEvent(, Theory, Registry)

  2. Agenda: • Using vocabularies • VOEvent • Vocabularies and the registry (SD) • Discussion on how to exploit the vocabularies in a VO, e.g. by VOEvent, theory, the registry, etc. • A draft vocabulary for simulations (F.Le Petit)

  3. Vocabularies: Open Issues (1/3) • Format of the master vocabulary: nothing mandated • Format of the distributed vocabularies: mandating RDF/XML(Turtle optional) • Identifying vocabulary versions: Unversioned namespace. Vocabulary maintainers keep old RDF files available long-term.

  4. Vocabularies: Open Issues (2/3) • Who maintains vocabularies? Author (IG/WG adopting the vocabularies) = maintainer. Semantics for those (5) in WD plus IVOAT • What vocabularies are included in the standard? The 5 in the WD (A&A, UCD, IAU93, AVM, Contellations). IVOAT (replacing IAU93) in separate doc.

  5. Vocabularies: Open Issues (3/3) • Inclusion of mappings in vocabularies • recommended that vocabularies declare no inter-vocab mappings; • such mappings are published separately; • mappings declared in one direction; • metadata required in a mapping file: DC terms; • how to generate mappings: wiki-like thing.

  6. Possible events (Roy’s list - Victoria06): • Lensing event (MACHO) • Gravitational wave signal • Asteroid / KBO • M dwarf flare • Unknown radio transient • Transit of extra-solar planet

  7. Possible events (Roy’s list - Victoria06): • Lensing event (MACHO) • IAU93:microlensing • AOIM:Cosmology Phenomenon Lensing • IVOAT:gravitationalMicrolensing • Gravitational wave signal • IAU93:gravitational wave • IVOAT:gravitationalWave • A&A: Gravitational waves

  8. Asteroid / KBO • AOIM: Interplanetary Body: Asteroid • IAU93: asteroids • IVOAT: asteroid • A&A: Minor planets, asteroids • IVOAT: EdgeworthKuiperBeltObject (KBO) • M dwarf flare • IAU93: flarestars>dwarfstars>Mdwarfstars • IVOAT: redDwarfFlareStar • AOIM: Star: Type: Variable: Flare Star

  9. Unknown radio transient • IAU93: radiosources>variablesources • Transit of extra-solar planet • IAU93:transit; planets>extrasolarplanets • IVOAT:transit; extrasolarPlanet • AOIM:PlanetSpecialCasesTransiting