rdf_subject/1

Did you know ...

Search Documentation:

Predicate rdf_subject/1

HOME
DOWNLOAD
DOCUMENTATION
- Manual
- Packages
- FAQ
- Command line
- PlDoc
- Bluffers▶
- License
- Publications
- Rev 7 Extensions
TUTORIALS
- Beginner▶
- Advanced▶
- Web applications▶
- Semantic web▶
  - ClioPatria
  - RDF namespaces
- Graphics▶
  - XPCE
  - GUI options
- Machine learning▶
  - Probabilistic Logic Programming
- External collections▶
  - Meta level tutorials
- For packagers▶
  - Linux packages
COMMUNITY
COMMERCIAL
WIKI
- Login
- View changes
- Sandbox
- Wiki help
- All tags

Availability::- use_module(library(semweb/rdf11)).

[nondet]rdf_subject(?S)

True when S is a currently known subject, i.e. it appears in the subject position of some visible triple. The predicate is semidet if S is ground.

Availability::- use_module(library(semweb/rdf_db)).

[nondet]rdf_subject(?Resource)

True if Resource appears as a subject. This query respects the visibility rules implied by the logical update view.

See also: rdf_resource/1.