/usr/lib/swipl/library/semweb/rdf_prefixes.pl
AllApplicationManualNameSummaryHelp

 rdf_db:ns(?Alias, ?URI) is nondet[multifile, library(semweb/rdf_prefixes)]
Dynamic and multifile predicate that maintains the registered namespace aliases.
deprecated
- New code must modify the namespace table using rdf_register_ns/3 and query using rdf_current_ns/2.
ClioPatria (version V3.1.1-40-g9d9e003)