lib/active_rdf/lib/active_rdf/queryengine/query.rb
# adds operator filter one one variable
# variable is a Ruby symbol that appears in select/where clause, operator is a 
# SPARQL operator (e.g. '>'), operand is a SPARQL value (e.g. 15)
adds operator filter one one variable
variable is a Ruby symbol that appears in select/where clause, operator is a
SPARQL operator , operand is a SPARQL value
adds operator filter one one variable variable is a Ruby symbol that appears in select / where clause operator is a SPARQL operator operand is a SPARQL value
def filter_operator(variable, operator, operand)
    raise(ActiveRdfError, "variable must be a Symbol") unless variable.is_a? Symbol
    filter "?#{variable} #{operator} #{operand}"
  end
def filter_operator ( variable , operator , operand ) raise ( ActiveRdfError , "variable must be a Symbol" ) unless variable . is_a? Symbol filter "?#{variable} #{operator} #{operand}" end
adds operator filter one one variable
variable is a Ruby symbol that appears in select/where clause, operator is a
SPARQL operator (e.g.
adds operator filter one one variable variable is a Ruby symbol that appears in select / where clause operator is a SPARQL operator ( e . g .
variable
operator
operand