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SIGMOD
2006
ACM
106views Database» more  SIGMOD 2006»
15 years 11 months ago
Run-time operator state spilling for memory intensive long-running queries
Main memory is a critical resource when processing longrunning queries over data streams with state intensive operators. In this work, we investigate state spill strategies that h...
Bin Liu, Yali Zhu, Elke A. Rundensteiner
SSDBM
2005
IEEE
111views Database» more  SSDBM 2005»
15 years 5 months ago
Querying Streaming Geospatial Image Data: The GeoStreams Project
Data products generated from remotely-sensed, geospatial imagery (RSI) used in emerging areas, such as global climatology, environmental monitoring, land use, and disaster managem...
Quinn Hart, Michael Gertz
ICDE
2010
IEEE
203views Database» more  ICDE 2010»
15 years 4 months ago
Optimizing ETL workflows for fault-tolerance
Extract-Transform-Load (ETL) processes play an important role in data warehousing. Typically, design work on ETL has focused on performance as the sole metric to make sure that the...
Alkis Simitsis, Kevin Wilkinson, Umeshwar Dayal, M...
CIKM
2008
Springer
15 years 1 months ago
Transaction reordering with application to synchronized scans
Traditional workload management methods mainly focus on the current system status while information about the interaction between queued and running transactions is largely ignore...
Gang Luo, Jeffrey F. Naughton, Curt J. Ellmann, Mi...
ICDE
2008
IEEE
123views Database» more  ICDE 2008»
16 years 1 months ago
Handling Non-linear Polynomial Queries over Dynamic Data
Applications that monitor functions over rapidly and unpredictably changing data, express their needs as continuous queries. Our focus is on a rich class of queries, expressed as p...
Shetal Shah, Krithi Ramamritham