it is clear that 5,893,120, methods and apparatus for information storage and retrieval using a hashing technique with external chaining and on-the-fly removal of expired data, is something that’s actually been around for some time,
IOW - a hash table - LOL!
7 posted on 04/26/2011 6:23:50 AM PDT by 2 Kool 2 Be 4-Gotten
(Welcome to the USA - where every day is Backwards Day!)