Wen-Chin Chen Jeffrey Scott Vitter Addendum to "Analysis of Some New Variants of Coalesced Hashing". 127 1985 10 ACM Trans. Database Syst. 1 db/journals/tods/tods10.html#ChenV85 db/journals/tods/ChenV85.html TODS10/P127.PDF journals/tods/ChenV84