title: storing and querying ordered xml using a relational database system sigmod conference. authors: i tatarinov , s viglas , k beyer , j shanmugasundaram , e shekita , c zhang. venue: nan. year: 2002.0
title: the notions of consistency and predicate locks in a relational database system. authors: kp eswaran , jn gray , ra lorie , il traiger. venue: comm . acm ,. year: nan