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SIGMOD
2006
ACM
150views Database» more  SIGMOD 2006»
14 years 10 months ago
Automatic physical design tuning: workload as a sequence
The area of automatic selection of physical database design to optimize the performance of a relational database system based on a workload of SQL queries and updates has gained p...
Sanjay Agrawal, Eric Chu, Vivek R. Narasayya
SIGMOD
2003
ACM
123views Database» more  SIGMOD 2003»
14 years 10 months ago
The hyperion project: from data integration to data coordination
We present an architecture and a set of challenges for peer database management systems. These systems team up to build a network of nodes (peers) that coordinate at run time most...
Marcelo Arenas, Vasiliki Kantere, Anastasios Kemen...
SIGMOD
2003
ACM
141views Database» more  SIGMOD 2003»
14 years 10 months ago
QC-Trees: An Efficient Summary Structure for Semantic OLAP
Recently, a technique called quotient cube was proposed as a summary structure for a data cube that preserves its semantics, with applications for online exploration and visualiza...
Laks V. S. Lakshmanan, Jian Pei, Yan Zhao
PODS
2003
ACM
143views Database» more  PODS 2003»
14 years 10 months ago
Maintaining variance and k-medians over data stream windows
The sliding window model is useful for discounting stale data in data stream applications. In this model, data elements arrive continually and only the most recent N elements are ...
Brian Babcock, Mayur Datar, Rajeev Motwani, Liadan...
PODS
2006
ACM
122views Database» more  PODS 2006»
14 years 10 months ago
Space- and time-efficient deterministic algorithms for biased quantiles over data streams
Skew is prevalent in data streams, and should be taken into account by algorithms that analyze the data. The problem of finding "biased quantiles"-- that is, approximate...
Graham Cormode, Flip Korn, S. Muthukrishnan, Dives...