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Workshop on TelegraphCQ:...
Workshop on TelegraphCQ:
Concept of Data Stram Management System.
TelegraphCQ: the DSMS developped at Berkley, internal architecture.
Differences between tradition database.
Adaptive QUery Processing using the new concept of Eddies like a routing operator.
Troubles about join Streams (with no statistical data) and Relations; and the two solution: STAIR and SteMs.
STAIR: a join operator that allow internal state changing using primite function visible to eddies.
SteMs: helf-join operator that keep homogeneous tuples, internal state is decision-indipendent.
Eddies Routing Policy implemented with the (Waldspurger & Weihl ) Lottery Scheduling.