Chapter Eight

Reasoning

Abstract

This chapter introduces the notion of reasoning in the context of a knowledge base, a main differentiator with standard DBMS. We present the main reasoning methods and reasoners in both standalone and distributed settings.

Keywords

Materialization
Query reformulation (rewriting)
Resolution
Rule-based and Object-based inferences
structural
tableau and consequence-based

8.1. Introduction

RDF stores are the database management systems of the Semantic Web. From a logical point of view, this implies that they may be equipped with access to some form of semantics—that is, predefined in ontologies and on the entities they are managing, such as concepts and properties. Properly processed, the semantics enable ...

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