Gain hands-on experience with SPARQL, the RDFquery language that’s bringing new possibilities to semantic web, linked data,and big data projects. This updated and expanded edition shows you how to useSPARQL 1.1 with a variety of tools to retrieve, manipulate, and federate datafrom the public web as well as from private sources.
Author Bob DuCharme has you writing simple queries right away before providingbackground on how SPARQL fits into RDF technologies. Using short examples thatyou can run yourself with open source software, you’ll learn how to update, addto, and delete data in RDF datasets.
Get the big picture on RDF, linked data, and the semantic web
Use SPARQL to find bad data and create new data from existing data
Use datatype metadata and functions in your queries
Learn techniques and tools to help your queries run more efficiently
Use RDF Schemas and OWL ontologies to extend the power of your queries
Discover the roles that SPARQL can play in your applications
