semweb

Prolog files

rdf_cache.pl  -- Cache RDF triples
rdf_cache_file/3	File is the cache file for URL.
rdf_set_cache_options/1	Change the cache policy.
rdf_db.pl  -- Core RDF database
lang_equal/2	True if two RFC language specifiers denote the same language.
lang_matches/2	True if Lang matches Pattern.
rdf/3	Elementary query for triples.
rdf/4	As rdf/3 but in addition query the graph to which the triple belongs.
rdf_active_transaction/1	True if Id is the identifier of a transaction in the context of which this call is executed.
rdf_assert/3	Assert a new triple into the database.
rdf_assert/4	As rdf_assert/3, adding the predicate to the indicated named graph.
rdf_atom_md5/3	Computes the MD5 hash from Text, which is an atom, string or list of character codes.
rdf_bnode/1	Generate a unique anonymous identifier for a subject.
rdf_compare/3	Compare two object terms.
rdf_create_gc_thread/0	Create the garbage collection thread.
rdf_create_graph/1	Create an RDF graph without triples.
rdf_current_literal/1	True when Literal is a currently known literal.
rdf_current_predicate/1	True when Predicate is a currently known predicate.
rdf_current_snapshot/1	True when Term is a currently known snapshot.
rdf_debug/1	Set debugging to Level.
rdf_delete_literal_map/2	Delete Key and all associated values from the map.
rdf_delete_literal_map/3	Delete the association between Key and Value from the map.
rdf_delete_snapshot/1	Delete a snapshot as obtained from rdf_snapshot/1.
rdf_destroy_literal_map/1	Destroy a literal map.
rdf_equal/2	Simple equality test to exploit goal-expansion.
rdf_estimate_complexity/4	Return the number of alternatives as indicated by the database internal hashed indexing.
rdf_file_type/2	True if Format is the format belonging to the given file extension.
rdf_find_literal_map/3	Unify ValueList with an ordered set of values associated to all keys from KeyList.
rdf_gc/0	Run the RDF-DB garbage collector until no garbage is left and all tables are fully optimized.
rdf_generation/1	True when Generation is the current generation of the database.
rdf_graph/1	True when Graph is an existing graph.
rdf_graph_prefixes/2	List is a sorted list of prefixes (namepaces) in Graph.
rdf_graph_prefixes/3	List is a sorted list of prefixes (namepaces) in Graph.
rdf_graph_property/2	True when Property is a property of Graph.
rdf_has/3	Succeeds if the triple rdf(Subject, Predicate, Object) is true exploiting the rdfs:subPropertyOf predicate as well as inverse predicates declared using rdf_set_predicate/2 with the inverse_of property.
rdf_has/4	Same as rdf_has/3, but RealPredicate is unified to the actual predicate that makes this relation true.
rdf_insert_literal_map/3	Add a relation between Key and Value to the map.
rdf_insert_literal_map/4	As rdf_insert_literal_map/3.
rdf_is_bnode/1	Tests if a resource is a blank node (i.e.
rdf_is_literal/1	True if Term is an RDF literal object.
rdf_is_resource/1	True if Term is an RDF resource.
rdf_keys_in_literal_map/3	Realises various queries on the key-set:.
rdf_literal_value/2	True when value is the appropriate Prolog representation of Literal in the RDF value space.
rdf_load/1	Same as rdf_load(FileOrList, []).
rdf_load/2	Load RDF data.
rdf_load_db/1	Load triples from a file created using rdf_save_db/2.
rdf_load_stream/3	Load RDF data from Stream.
rdf_make/0	Reload all loaded files that have been modified since the last time they were loaded.
rdf_match_label/3	True if Label matches Pattern according to How.
rdf_md5/2	True when MD5 is the MD5 hash for all triples in graph.
rdf_member_property/2	Deal with the rdf:_1, ... properties.
rdf_monitor/2	Call Goal if specified actions occur on the database.
rdf_new_literal_map/1	Create a new literal map, returning an opaque handle.
rdf_node/1	Generate a unique blank node identifier for a subject.
rdf_predicate_property/2	Query properties of a defined predicate.
rdf_reachable/3	Is true if Object can be reached from Subject following the transitive predicate Predicate or a sub-property thereof, while repecting the symetric(true) or inverse_of(P2) properties.
rdf_reachable/5	Same as rdf_reachable/3, but in addition, MaxD limits the number of edges expanded and D is unified with the `distance' between Subject and Object.
rdf_reset_db/0	Remove all triples from the RDF database and reset all its statistics.
rdf_reset_literal_map/1	Delete all content from the literal map.
rdf_resource/1	True when Resource is a resource used as a subject or object in a triple.
rdf_retractall/3	Remove all matching triples from the database.
rdf_retractall/4	As rdf_retractall/3, also matching Graph.
rdf_save/1	Same as rdf_save(Out, []).
rdf_save/2	Write RDF data as RDF/XML.
rdf_save_db/1	Save triples into File in a quick-to-load binary format.
rdf_save_db/2	Save triples into File in a quick-to-load binary format.
rdf_save_footer/1	Finish XML generation and write the document footer.
rdf_save_header/2	Save XML document header, doctype and open the RDF environment.
rdf_save_subject/3	Save the triples associated to Subject to Out.
rdf_set/1	Set properties of the RDF store.
rdf_set_graph/2	Set properties of Graph.
rdf_set_predicate/2	Define a property of the predicate.
rdf_snapshot/1	Take a snapshot of the current state of the RDF store.
rdf_source/1	True if Source is a loaded source.
rdf_source/2	True if named Graph is loaded from SourceURL.
rdf_source_location/2	True when triples for Subject are loaded from Location.
rdf_split_url/3	Split/join a URL.
rdf_statistics/1	Obtain statistics on the RDF database.
rdf_statistics_literal_map/2	Query some statistics of the map.
rdf_subject/1	True if Resource appears as a subject.
rdf_transaction/1	Same as rdf_transaction(Goal, user, []).
rdf_transaction/2	Same as rdf_transaction(Goal, Id, []).
rdf_transaction/3	Run Goal in an RDF transaction.
rdf_unload/1	Identify the graph loaded from Source and use rdf_unload_graph/1 to erase this graph.
rdf_unload_graph/1	Remove Graph from the RDF store.
rdf_update/4	Replaces one of the three (four) fields on the matching triples depending on Action:.
rdf_update/5	Replaces one of the three (four) fields on the matching triples depending on Action:.
rdf_update_duplicates/0	Update the duplicate administration of the RDF store.
rdf_update_duplicates/0	Update the duplicate administration.
rdf_update_duplicates_thread/0	Start a thread to initialize the duplicate administration.
rdf_url_namespace/2	Namespace is the namespace of URL.
rdf_version/1	True when Version is the numerical version-id of this library.
rdf_warm_indexes/0	Warm all indexes.
rdf_warm_indexes/1	Create the named indexes.
rdf_prefixes.pl  -- RDF prefixes management
ns/2	Dynamic and multifile predicate that maintains the registered namespace aliases.
rdf_current_ns/2
rdf_current_prefix/2	Query predefined prefixes and prefixes defined with rdf_register_prefix/2 and local prefixes defined with rdf_prefix/2.
rdf_empty_prefix_cache/2	Multifile hook called if the binding Alias -> URI is modified.
rdf_global_id/2	Convert between Prefix:Local and full IRI (an atom).
rdf_global_object/2	Same as rdf_global_id/2, but intended for dealing with the object part of a triple, in particular the type for typed literals.
rdf_global_term/2	Performs rdf_global_id/2 on predixed IRIs and rdf_global_object/2 on RDF literals, by recursively analysing the term.
rdf_meta/1	This directive defines the argument types of the named predicates, which will force compile time namespace expansion for these predicates.
rdf_prefix/2	Register a local prefix.
rdf_register_ns/2	Register an RDF prefix.
rdf_register_ns/3	Register an RDF prefix.
rdf_register_prefix/2	Register Prefix as an abbreviation for URI.
rdf_register_prefix/3	Register Prefix as an abbreviation for URI.
rdf_unregister_prefix/1	Delete a prefix global registration.
register_file_prefixes/1	Register a namespace as encounted in the namespace list of an RDF document.