VODataService
3. Namespaces
The namespace for VODataService is
http://www.ivoa.net/xml/VODataService/v1.2#. VODataService also makes
use of terms from other vocabularies, in particular Dublin Core.
VODataService defines a minimal set of classes and properties on its
own.
Normative namespaces
Namespaces and prefixes used in normative parts of this
recommendation are shown in the following table
| namespace |
URI |
| dc |
http://purl.org/dc/elements/1.1/ |
| dcat |
http://www.w3.org/ns/dcat# |
| dcterms |
http://purl.org/dc/terms/ |
| rdf |
http://www.w3.org/1999/02/22-rdf-syntax-ns# |
| rdfs |
http://www.w3.org/2000/01/rdf-schema# |
| vr |
http://www.ivoa.net/xml/VOResource/v1.1# |
| xsd |
http://www.w3.org/2001/XMLSchema# |
6. Vocabulary specification
§ 6.3 Class:
DataResource
The following properties are specific to this class: - facility
- instrument
- coverage
The following properties of the super-class vr:Service
are also available for use: - rights - capability
- validationLevel
- title - shortName -
identifier
- altIdentifier
- curation -
content -
created -
updated -
status - version
| RDF Class |
vs:DataResource |
| Definition |
A resource publishing astronomical data. |
| Sub-class of |
vr:Service |
| Usage Note |
This resource type should only be used if the resource has no common
underlying tabular schema (e.g., an inhomogeneous archive). Use
CatalogResource otherwise. |
| See also |
vs:DataService,
vs:CatalogResource |
§ 6.3.1 Property:
facility
§ 6.3.2 Property:
instrument
§ 6.3.3 Property:
coverage
§ 6.4 Class:
DataResource
The following properties of the super-class vs:DataResource
are also available for use: - rights - capability
- validationLevel
- title - shortName -
identifier
- altIdentifier
- curation -
content -
created -
updated -
status - version - facility
- instrument
- coverage
| RDF Class |
vs:DataService |
| Definition |
A service for accessing astronomical data. |
| Sub-class of |
vs:DataResource |
| Usage Note |
This resource type should only be used if the service has no common
underlying tabular schema (e.g., a storage service) or if it is not
explicitly accessible (e.g., an ftp server with images). Use
CatalogService otherwise. |
| See also |
vs:CatalogResource |
§ 6.5
Class: CatalogResource
The following properties are specific to this class: - tableset
The following properties of the super-class vs:DataResource
are also available for use: - rights - capability
- validationLevel
- title - shortName -
identifier
- altIdentifier
- curation -
content -
created -
updated -
status - version - facility
- instrument
- coverage
| RDF Class |
vs:CatalogResource |
| Definition |
A resource giving astronomical data in tabular form. |
| Sub-class of |
vs:DataResource |
| Usage Note |
While this includes classical astronomical catalogues, this resource
is also appropriate for collections of observations or simulation
results provided their metadata are available in a sufficiently
structured form (e.g., Obscore, SSAP, etc). |
| See also |
vs:DataService |
§ 6.5.1 Property:
tableset
| RDF Property |
vs:tableset |
| Definition |
A description of the tables that are accessible through this
service. |
| Usage Note |
Each schema name must be unique within a tableset. |
| Domain |
vs:CatalogResource |
| Range |
vs:Tableset |
§ 6.6 Class:
CatalogService
The following properties of the super-class vs:CatalogResource
are also available for use: - rights - capability
- validationLevel
- title - shortName -
identifier
- altIdentifier
- curation -
content -
created -
updated -
status - version - facility
- instrument
- coverage
- tableset
| RDF Class |
vs:CatalogService |
| Definition |
A service that interacts with astronomical data through one or more
specified tables. |
| Sub-class of |
vs:CatalogResource |
| Usage Note |
This is the appropriate resource type for normal VO services, e.g.,
TAP, SSAP, SIAP, ConeSearch. |
| See also |
vs:DataService |
§ 6.7 Class: Table
The following properties are specific to this class: - tableName
- tableTitle
- tableDescription
- tableUtype
- tableNrows
- tableColumn
- tableForeignKey
- tableType
| RDF Class |
vs:Table |
| Definition |
|
| Usage Note |
|
| See also |
|
§ 6.7.1 Class:
tableName
| RDF Property |
vs:tableName |
| Definition |
The fully qualified name of the table. |
| Usage Note |
This name should include all catalogue or schema prefixes needed to
sufficiently uniquely distinguish it in a query. In general, the
format of the qualified name may depend on the context; however, when
the table is intended to be queryable via ADQL, then the catalogue and
schema qualifiers are delimited from the table name with dots (.). |
| Domain |
vs:Table |
| Range |
xs:token |