Part I. Reference Manual

This part contains the Rasqal Reference Manual which comprehensively describes every class and function of the API.

Table of Contents

General library facilities — Startup and shutdown, memory handling, version checks and misc functions.

Data Graphs — RDF graph sources for triples.

Expressions — Query language expressions.

Graph patterns — Collections of triple patterns, sub-graph patterns with operators.

Literal — RDF literals and RDF query-specific literals.

Prefixes — XML QName-style prefixes made from a URI and a short text prefix.

Query — Query object API, parsing and execution

Query Results — Query results as variable bindings, boolean or RDF graphs.

Query Results Formatter — Query results formatted into a syntax.

Query Result Row — Result row in a query result set containing a set of literals that are bound to variables.

Service — Execute queries remotely via a SPARQL HTTP Protocol service.

Triples — Triple pattern or RDF triple.

Triples Source — Source of matches to a triple pattern.

Variables — Variable with names and literal value.

Variables Table — A table of variables with optional bound literal values.

Updates — Graph update operations

Utilities — Utility functions.

XML Schema Datetime and Decimals — XML Schema datetime and arbitrary length decimal number arithmetic.