SQL Nested Queries in SPARQL

SPARQL currently does not include any form of nested queries. In this paper we present a proposal to incorporate nested queries into SPARQL along the design philosophy of SQL nested queries. We present rewriting algorithms and show that all the proposed nested queries can be expressed in a natural and simple extension of SPARQL syntax.

• Type: Journal
• Year: 2010
• Where: AMW
• Authors: Renzo Angles, Claudio Gutierrez
• Keywords: AMW 2010, Knowledge Management, Nested, Present Rewriting, Sparql