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PODS
2011
ACM
238views Database» more  PODS 2011»
14 years 7 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
ICSE
2007
IEEE-ACM
16 years 4 months ago
Revel8or: Model Driven Capacity Planning Tool Suite
Designing complex multi-tier applications that must meet strict performance requirements is a challenging software engineering problem. Ideally, the application architect could de...
Liming Zhu, Yan Liu, Ngoc Bao Bui, Ian Gorton
PODS
2009
ACM
112views Database» more  PODS 2009»
16 years 5 months ago
Optimal sampling from sliding windows
APPEARED IN ACM PODS-2009. A sliding windows model is an important case of the streaming model, where only the most "recent" elements remain active and the rest are disc...
Vladimir Braverman, Rafail Ostrovsky, Carlo Zaniol...
KDD
2008
ACM
138views Data Mining» more  KDD 2008»
16 years 5 months ago
Quantitative evaluation of approximate frequent pattern mining algorithms
Traditional association mining algorithms use a strict definition of support that requires every item in a frequent itemset to occur in each supporting transaction. In real-life d...
Rohit Gupta, Gang Fang, Blayne Field, Michael Stei...
SSD
2009
Springer
180views Database» more  SSD 2009»
15 years 11 months ago
Indexing Moving Objects Using Short-Lived Throwaway Indexes
With the exponential growth of moving objects data to the Gigabyte range, it has become critical to develop effective techniques for indexing, updating, and querying these massive ...
Jens Dittrich, Lukas Blunschi, Marcos Antonio Vaz ...