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EDBT
2010
ACM
151views Database» more  EDBT 2010»
14 years 16 days ago
Warm cache costing: a feedback optimization technique for buffer pool aware costing
Most modern RDBMS depend on the query processing optimizer’s cost model to choose the best execution plan for a given query. Since the physical IO (PIO) is a costly operation to...
H. S. Ramanujam, Edwin Seputis
EDBT
2010
ACM
172views Database» more  EDBT 2010»
14 years 16 days ago
Privacy preserving group nearest neighbor queries
User privacy in location-based services has attracted great interest in the research community. We introduce a novel framework based on a decentralized architecture for privacy pr...
Tanzima Hashem, Lars Kulik, Rui Zhang
INFOCOM
2002
IEEE
14 years 10 days ago
Self-Verifying CSFQ
— Recently, a class of solutions including Core-Stateless Fair Queueing (CSFQ), Rainbow Fair Queueing, and Diffserv have been proposed to address the scalability concerns that ha...
Ion Stoica, Hui Zhang, Scott Shenker
ISORC
2002
IEEE
14 years 10 days ago
Handling Aperiodic Tasks in Diverse Real-Time Systems via Plug-Ins
Functionality for various services of scheduling algorithms is typically provided as extensions to a basic algorithm. Aperiodic task handling, guarantees, etc., are integrated wit...
Tomas Lennvall, Gerhard Fohler, Björn Lindber...
SIGMETRICS
2010
ACM
173views Hardware» more  SIGMETRICS 2010»
14 years 7 days ago
Channel fragmentation in dynamic spectrum access systems: a theoretical study
Dynamic Spectrum Access systems exploit temporarily available spectrum (‘white spaces’) and can spread transmissions over a number of non-contiguous sub-channels. Such methods...
Edward G. Coffman Jr., Philippe Robert, Florian Si...