SPIN in Five Slides. SPIN - Overview and Motivation. Abstract This document provides an overview of the SPARQL Inferencing Notation (SPIN).
SPIN is a SPARQL-based rule and constraint language for the Semantic Web. SPIN is also a mechanism to represent reusable SPARQL queries as templates and to define new SPARQL functions with a web-friendly syntax. Status of This Document. SPIN - SPARQL Inferencing Notation. SPARQLRulesTutorial.