The language specification, the engine and the experiments can be found in following:
CQELS language at https://github.com/SamiLabed/cqels/blob/wiki/CQELS_language.md
CQELS engine at https://github.com/SamiLabed/cqels/blob/wiki/CQELS_engine.md
CQELS Cloud for Amazon EC2 at https://github.com/SamiLabed/cqels/blob/wiki/CQELSCloud.md
CQELS engine source code at https://github.com/SamiLabed/cqels
Experimental evaluations at CQELS, C-SPARQL, ETALIS https://github.com/SamiLabed/cqels/blob/wiki/Experiments.md
This repository is a fork of https://code.google.com/p/cqels/ repository on Google Code. [Automatically exported from code.google.com/p/cqels]
DISCLAMER: I'm not a developer of the original CQELS.