The SaadaDB web interface of a SadaDB comes with a VO portal offering an image server (SIA), a spectrum server (SSA and a Cone Search for catalogue entries.

 The URL of the VO portal is URL_ROOT/SAADA_DB_NAME/voportal

VO portal

 All services have the same interface. Services are not dedicated to one resource, but the resource must be selected in the collection menu.
 collection menu : Proposes a subset of all possible resources (see). Resources proposed are the whole database, each collection and each collection with one class. Only resources havin data are proposed. A collection having no image won’t be in the SIA collection menu for example.
 Position field Position can be given as object names in the RA field or as numeric in decimal or HMS.
 data : When checked, the service returns a data VOtable.
 metata : When checked, the service returns a VO table with the service metatdata.
 register : Return a page with any information required to register the service.
 include correlated data When checked, the returned VOtable includes subtables with counterparts for all relationships. This feature is still not a VO standard (2007), but such VOtables can be interpreted by Aladin for SIA queries.