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Transactions on Parallel and Distributed Systems

by Systems C. Special-purpose
"... (MMOGs) can include millions of concurrent players spread across the world and interacting with each other within a single session. Faced with high resource demand variability and with misfit resource renting policies, the current industry practice is to over-provision for each game tens of self-own ..."
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-owned data centres, making the market entry affordable only for big companies. Focusing on the reduction of entry and operational costs, we investigate a new dynamic resource provisioning method for MMOG operation using external data centres as low-cost resource providers. First, we identify in the various

Dumb money: Mutual fund flows and the cross section of stock returns,

by Andrea Frazzini , Owen A Lamont - Journal of Financial Economics, , 2008
"... We thank Nicholas Barberis and Judith Chevalier for helpful comments. We thank Breno Schmidt for research assistance. ABSTRACT We use mutual fund flows as a measure for individual investor sentiment for different stocks, and find that high sentiment predicts low future returns. Fund flows are dumb ..."
Abstract - Cited by 103 (4 self) - Add to MetaCart
funds but only $20 billion to Fidelity funds, despite the fact that Fidelity had more than three times the assets under management at the beginning of the year. Thus in 1999 retail investors as a group made an active allocation decision to give greater weight to Janus funds, and in doing so

Specifying Active Databases . . .

by Leopoldo Bertossi, Javier Pinto, Ricardo Valdivia
"... This paper provides a predicate logic based semantics for active rules in active databases [24, 10]. Previous work has been done to provide semantics of execution of active rules [21, 3, 9, 11]. In part, this work has been directed towards providing a unifying criteria regarding the meaning of activ ..."
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of active rules, and to provide a framework for comparing different proposals for active database systems. The main contribution of this article is a proposal to integrate the specification of active rules with the specification of the dynamics of change (based on transactions) in relational databases. Our

FD-Buffer: A Buffer Manager for Databases on Flash Disks

by Qiong Luo, Available From Qiong Luo, Sai Tung On, Yinan Li, Bingsheng He, Ming Wu, Qiong Luo, Jianliang Xu , 2016
"... FD-buffer: a buffer manager for databases on flash disks. ..."
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FD-buffer: a buffer manager for databases on flash disks.

Efficient Management of Data Center Resources for Massively Multiplayer

by Online Games, Vlad Nae, Ru Iosup, Stefan Podlipnig, Radu Prodan, Dick Epema, Thomas Fahringer, Multiplayer Online Games
"... (MMOGs) can include millions of concurrent players spread across the world. To keep these highly-interactive virtual environments online, a MMOG operator may need to provision tens of thousands of computing resources from various data centers. Faced with large resource demand variability, and with m ..."
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, and with misfit resource renting policies, the current industry practice is to maintain for each game tens of self-owned data centers. In this work we investigate the dynamic resource provisioning from external data centers for MMOG operation. We introduce a novel MMOG workload model that represents the dynamics

ACKNOWLEDGMENTS

by Shahar Kosti, This Prof, Gal A. Kaminka, David Sarne
"... First, I would like to thank my advisors Prof. Gal A. Kaminka and Dr. David Sarne for their excellent guidance and constant support in the past two years. I learned quite a bit about scientific research, all thanks to their great instruction. Working with them was a real pleasure, not only on the pr ..."
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First, I would like to thank my advisors Prof. Gal A. Kaminka and Dr. David Sarne for their excellent guidance and constant support in the past two years. I learned quite a bit about scientific research, all thanks to their great instruction. Working with them was a real pleasure, not only on the professional level, but on the personal level as well. Thanks to my colleagues and friends from the Bar-Ilan University in general, and MAVERICK lab in particular, for the great time we had together. Special thanks to Gabriella Melamed, MAVERICK lab manager, for assisting with administra-tive issues, and in particular for helping with the arrangements for the experiment. I also wish to thank Tal-Oron Gilad from Ben-Gurion University, for providing us with a He-brew translation of the NASA-TLX questionnaire. Thanks to my dear family for their support and encouragement, and for enabling me to com-plete this work. Thanks to my girlfriend for her patience and understanding. Finally, I would like to thank my grandfather, who never ceased to encourage me throughout this journey.

Lagniappe: Multi- ⋆ Programming Made Simple

by unknown authors
"... Abstract: The emergence of multi-processor, multi-threaded architectures (referred to as multi- ⋆ architectures) facilitates the design of high-throughput request processing systems (e.g., multi-service routers for GENI [19], intrusion detection systems [22], graphics and gaming systems [1, 11, 17], ..."
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Abstract: The emergence of multi-processor, multi-threaded architectures (referred to as multi- ⋆ architectures) facilitates the design of high-throughput request processing systems (e.g., multi-service routers for GENI [19], intrusion detection systems [22], graphics and gaming systems [1, 11, 17

Lagniappe: Multi- ⋆ Programming Made Simple

by Taylor L. Riché
"... Abstract—The emergence of multi-processor, multi-threaded architectures (referred to as multi- ⋆ architectures) facilitates the design of high-throughput request processing systems (e.g., multiservice routers for GENI [22], intrusion detection systems [25], graphics and gaming systems [1], [12], [19 ..."
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Abstract—The emergence of multi-processor, multi-threaded architectures (referred to as multi- ⋆ architectures) facilitates the design of high-throughput request processing systems (e.g., multiservice routers for GENI [22], intrusion detection systems [25], graphics and gaming systems [1], [12

R.H. Thomas and W. Crowther. "The Uniform System: An Approach to Runtime Support for Large

by Processing Pages St , 1993
"... Introduction to Parallel Computing. Prentice Hall, Englewood Cliffs, NJ, 1992. [19] Steven Lucco. "A Dynamic Scheduling Method for Irregular Parallel Programs". In ACM SIGPLAN '92 Conference on Programming Language Design and Implementation, pages 200-211, San Francisco, CA, June 199 ..."
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;Shared-Memory Multiprocessor Trends and the Implications for Parallel Program Performance". Technical Report 420, University of Rochester, Computer Science Department, March 1992. [22] C. McCann, R. Vaswani, and J. Zahorjan. "A Dynamic Processor Allocation Policy for Multiprogrammed Shared Memory Multiprocessors

Nanyang Technological

by Yinan Li, Bingsheng He, Ming Wu, Qiong Luo, Jianliang Xu
"... We design and implement FD-Buffer, a buffer manager for database systems running on flash-based disks. Unlike magnetic disks, flash media has an inherent read-write asymmetry: writes involve expen-sive erase operations and as a result are usually much slower than reads. Therefore, we address this as ..."
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We design and implement FD-Buffer, a buffer manager for database systems running on flash-based disks. Unlike magnetic disks, flash media has an inherent read-write asymmetry: writes involve expen-sive erase operations and as a result are usually much slower than reads. Therefore, we address
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