Hrachya Astsatryan Vladimir Sahakyan Yuri Shoukouryan Michel J. Daydé Aurélie Hurault Marc Pantel Eddy Caron A Grid-Aware Web Portal with Advanced Service Trading for Linear Algebra Calculations. 150-159 2008 VECPAR http://dx.doi.org/10.1007/978-3-540-92859-1_15 conf/vecpar/2008 db/conf/vecpar/vecpar2008.html#AstsatryanSSDHPC08