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EDBT
2006
ACM
145views Database» more  EDBT 2006»
16 years 3 months ago
Indexing Spatially Sensitive Distance Measures Using Multi-resolution Lower Bounds
Abstract. Comparison of images requires a distance metric that is sensitive to the spatial location of objects and features. Such sensitive distance measures can, however, be compu...
Vebjorn Ljosa, Arnab Bhattacharya, Ambuj K. Singh
EDBT
2008
ACM
137views Database» more  EDBT 2008»
16 years 3 months ago
Optimizing away joins on data streams
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
Lukasz Golab, Theodore Johnson, Nick Koudas, Dives...
ICDE
2010
IEEE
235views Database» more  ICDE 2010»
16 years 2 months ago
Cost-efficient and Differentiated Data Availability Guarantees in Data Clouds
Abstract-- Failures of any type are common in current datacenters. As data scales up, its availability becomes more complex, while different availability levels per application or ...
Nicolas Bonvin, Thanasis G. Papaioannou, Karl Aber...
SOSP
2009
ACM
16 years 2 days ago
Distributed aggregation for data-parallel computing: interfaces and implementations
Data-intensive applications are increasingly designed to execute on large computing clusters. Grouped aggregation is a core primitive of many distributed programming models, and i...
Yuan Yu, Pradeep Kumar Gunda, Michael Isard
DASFAA
2009
IEEE
203views Database» more  DASFAA 2009»
15 years 10 months ago
Adaptive Safe Regions for Continuous Spatial Queries over Moving Objects
Abstract. Continuous spatial queries retrieve a set of time-varying objects continuously during a given period of time. However, monitoring moving objects to maintain the correctne...
Yu-Ling Hsueh, Roger Zimmermann, Wei-Shinn Ku