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» Optimizing the distribution of large data sets in theory and...
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ICDE
2005
IEEE
135views Database» more  ICDE 2005»
14 years 9 months ago
Finding (Recently) Frequent Items in Distributed Data Streams
We consider the problem of maintaining frequency counts for items occurring frequently in the union of multiple distributed data streams. Na?ive methods of combining approximate f...
Amit Manjhi, Vladislav Shkapenyuk, Kedar Dhamdhere...
ICASSP
2011
IEEE
12 years 11 months ago
Comparison of several covariance matrix estimators for portfolio optimization
Modern portfolio theory dates back to a seminal 1952 paper by H. Markowitz and has been very influential both in academic finance and among practitioners in the financial indus...
Ka Ki Ng, Priyanka Agarwal, Nathan Mullen, Dzung D...
ICDCS
2000
IEEE
14 years 1 days ago
Static and Adaptive Data Replication Algorithms for Fast Information Access in Large Distributed Systems
Creating replicas of frequently accessed objects across a read-intensive network can result in large bandwidth savings which, in turn, can lead to reduction in user response time....
Thanasis Loukopoulos, Ishfaq Ahmad
HIPC
2007
Springer
14 years 1 months ago
Experiments with a Parallel External Memory System
Abstract. The theory of bulk-synchronous parallel computing has produced a large number of attractive algorithms, which are provably optimal in some sense, but typically require th...
Mohammad R. Nikseresht, David A. Hutchinson, Anil ...
INFOCOM
2011
IEEE
12 years 11 months ago
Secure and practical outsourcing of linear programming in cloud computing
—Cloud Computing has great potential of providing robust computational power to the society at reduced cost. It enables customers with limited computational resources to outsourc...
Cong Wang, Kui Ren, Jia Wang