The SPARQL Working Group has published a Last Call Working Draft of SPARQL 1.1 Query Results JSON Format. This was also the First Public Draft of that document. This document describes the representation of SELECT and ASK query results using JSON. Comments are welcome through 26 October.
The Group also published a First Draft of SPARQL 1.1 Query Results CSV and TSV Formats, which describes the use of CSV and TSV formats for expressing SPARQL query results from SELECT queries.