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VLDB
2000
ACM
129views Database» more  VLDB 2000»
15 years 10 months ago
Offering a Precision-Performance Tradeoff for Aggregation Queries over Replicated Data
Strict consistency of replicated data is infeasible or not required by many distributed applications, so current systems often permit stale replication, in which cached copies of ...
Chris Olston, Jennifer Widom
CIDR
2009
139views Algorithms» more  CIDR 2009»
15 years 7 months ago
Inter-Operator Feedback in Data Stream Management Systems via Punctuation
High-volume, high-speed data streams may overwhelm the capabilities of stream processing systems; techniques such as data prioritization, avoidance of unnecessary processing and o...
Rafael Fernández-Moctezuma, Kristin Tufte, ...
MOBISYS
2004
ACM
16 years 6 months ago
Exponential Index: A Parameterized Distributed Indexing Scheme for Data on Air
Wireless data broadcast has received a lot of attention from industries and academia in recent years. Access efficiency and energy conservation are two critical performance concer...
Jianliang Xu, Wang-Chien Lee, Xueyan Tang
ICS
2007
Tsinghua U.
16 years 23 days ago
Optimization of data prefetch helper threads with path-expression based statistical modeling
This paper investigates helper threads that improve performance by prefetching data on behalf of an application’s main thread. The focus is data prefetch helper threads that lac...
Tor M. Aamodt, Paul Chow
GLOBECOM
2009
IEEE
15 years 10 months ago
Relay Selection and Data Transmission Throughput Tradeoff in Cooperative Systems
A common and practical paradigm in cooperative communications is the use of a dynamically selected 'best' relay to decode and forward information from a source to a dest...
Virag Shah, Neelesh B. Mehta, Raymond Yim