rdf11:pre_ground

Convert between a Prolog value and an RDF value for rdf_assert/3 and friends. Auto-conversion:

Integer Converted to Integer^^xsd:integer
Float Converted to Float^^xsd:double
String Converted to String^^xsd:string
true Converted to true^^xsd:boolean
false Converted to false^^xsd:boolean
date(Y,M,D) Converted to date(Y,M,D)^^xsd:date
date_time(Y,M,D,HH,MM,SS) Converted to date_time(Y,M,D,HH,MM,SS)^^xsd:dateTime
date_time(Y,M,D,HH,MM,SS,TZ) Converted to date_time(Y,M,D,HH,MM,SS,TZ)^^xsd:dateTime
month_day(M,D) Converted to month_day(M,D)^^xsd:gMonthDay
year_month(Y,M) Converted to year_month(Y,M)^^xsd:gYearMonth
time(HH,MM,SS) Converted to time(HH,MM,SS)^^xsd:time
Text@Lang Converted to Text@Lang. Uses canonical (lowercase) lang. Text is converted into an atom.
Value^^Type Typed conversion. The translation of Value depends on Type:
- Numeric types
- Boolean
- Date types
Atom All atoms except for true and false are considered URIs.