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» Aggregating time partitions
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DAMON
2006
Springer
13 years 11 months ago
Architecture-conscious hashing
Hashing is one of the fundamental techniques used to implement query processing operators such as grouping, aggregation and join. This paper studies the interaction between modern...
Marcin Zukowski, Sándor Héman, Peter...
EOR
2007
101views more  EOR 2007»
13 years 7 months ago
Using aggregation to optimize long-term production planning at an underground mine
Motivated by an underground mining operation at Kiruna, Sweden, we formulate a mixed integer program to schedule iron ore production over multiple time periods. Our optimization m...
Alexandra M. Newman, Mark Kuchta
PODS
2003
ACM
104views Database» more  PODS 2003»
14 years 7 months ago
Maintaining time-decaying stream aggregates
We formalize the problem of maintaining time-decaying aggregates and statistics of a data stream: the relative contribution of each data item to the aggregate is scaled down by a ...
Edith Cohen, Martin Strauss
WONS
2005
IEEE
14 years 1 months ago
A Partition Prediction Algorithm for Service Replication in Mobile Ad Hoc Networks
Due to the mobility of nodes in Ad hoc networks, network topology is dynamic and unpredictable, which leads to frequent network partitioning. This partitioning disconnects many no...
Abdelouahid Derhab, Nadjib Badache, Abdelmadjid Bo...
IEEEPACT
2000
IEEE
13 years 12 months ago
Address Partitioning in DSM Clusters with Parallel Coherence Controllers
Recent research suggests that DSM clusters can benefit from parallel coherence controllers. Parallel controllers require address partitioning and synchronization to avoid handlin...
Ilanthiraiyan Pragaspathy, Babak Falsafi