title: engineering federated information systems : report of efis '99 workshop sigmod record 1999. authors: fèlix saltor , uwe hohenstein , ralf-detlef kutsche , wilhelm hasselbring , gunter saake , stefan conrad , mark roantree. venue: nan. year: nan
title: engineering federated information systems : report of eefis '99 workshop s. conrad , w. hasselbring , u. hohenstein , r.-d . kutsche , m. roantree , g. saake , f. saltor. authors: nan. venue: acm sigmod record. year: 1999.0