org.apache.clerezza.rdf.core.sparql.query
Interface Expression

All Known Implementing Classes:

AbstractOperation, BinaryOperation, BuiltInCall, FunctionCall, LiteralExpression, UnaryOperation, UriRefExpression, Variable

public interface Expression

This interface models logical, relational, and numeric expression. This includes terms and factors in mathematical formulas which can contain variables, literals, and function calls. In a SPARQL query, expressions can occur in an ORDER BY clause or a FILTER constraint.

Author:

hasan

See Also:

SPARQL Query Language: 9.1 ORDER BY, SPARQL Query Language: 3 RDF Term Constraints (Informative), SPARQL Query Language: 11.2 Filter Evaluation