1. Datalink Prototype 05/2012Saada an TapHandle

2. Datalink use-case 05/2012Saada an TapHandle Raw data Image Source list Spectra, TS… VO Resource Source Spectra How to store within the VO the association between catalogue sources and spectra?

3. Datalink use-case 05/2012Saada an TapHandle How to store within the VO the association between catalogue sources and spectra? By using persistent joins in databases (SAADA) Not VO compliant By using pipeline indexation: Requires a good knowledge of the pipeline By using a datalink service Observation id = 0123456789 Source Number = 12 PN camera spectrum: P0123456789M1S001SRSPEC000C.FIT With a little of hexa encoding for the fun

4. Datalink Demo Setup 05/2012Saada an TapHandle SaadaDB : Data linked with Saada relationships Datalink service VOservice VO Client TapHandle VO Client TapHandle {links} Vo request Data Dataset ID demo