Returns the literal-string value of the triple's object.
PREDICATE? (TRIPLES PREDICATE &KEY LANG DATA-TYPE)
Given the list of triples produced by PARSE-NT returns a list of triples with predicates matching the given one.
Parse the object literal from the stream.
The triple consists of a: subject, predicate, object. All they are separated by whitespace. There is also a terminating full stop point in the end of a tripple. Returns a list consisting of three elements corresponding to the tripple. The syntax is: triple ::= subject ws+ predicate ws+ object ws* '.' ws*
Parses N-Triples from the given source. This method accepts a file pathname, a stream, or a string. Returns a list of triples consisting of three elements: subject, predicate, object. Subjects can be either an `uriref' or a `nodeID'. Objects can be of three types: `uriref', `nodeID' or a `literal'. Depending on the type of the object it is encoded into a list.