title: implementation of magic-sets in a relational database system. authors: i mumick , h pirahesh. venue: sigmod conference. year: 1994
title: access path selection 111 a relational database management system. authors: pg sehnger , mm astrahan , dd chamberhn , ra lone , tg. venue: prcceedmgs of 1979 acm sigmod conference , ( june. year: nan