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Yifeng Zhu
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University of Maine
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Department of Electrical and Computer Engineering
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Computer and Systems Architecture
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Data Storage Systems
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Engineering, Electronics and Electrical|Computer Science
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Engineering, Electronics and Electrical|Computer Science
(1)
Article
Cluster -based storage systems with high scalability
ETD collection for University of Nebraska - Lincoln (2005)
Yifeng Zhu
In recent years, high-end computing has undergone two significant changes: (1) an increasing focus on data-intensive applications, such as data ...
No Subject Area
(15)
Article
Effective Stochastic Modeling of Energy-Constrained Wireless Sensor Networks
Journal of Computer Networks & Communications (2012)
Ali Shareef and Yifeng Zhu
Energy consumption of energy-constrained nodes in wireless sensor networks (WSNs) is a fatal weakness of these networks. Since these nodes ...
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Article
Energy Modeling of Wireless Sensor Nodes Based on Petri Nets
Proceedings of The 39th International Conference on Parallel Processing (ICPP 2010) (2010)
Ali Shareef and Yifeng Zhu
Energy minimization is of great importance in wireless sensor networks in extending the battery lifetime. Accurately understanding the energy consumption ...
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Other
Rapport: Semantic-sensitive Namespace Management in Large-scale File Systems
CSE Technical reports (2010)
Yu Hua, Hong Jiang, Yifeng Zhu and Dan Feng
Explosive growth in volume and complexity of data exacerbates the key challenge to effectively and efficiently manage data in a ...
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Other
A Novel Weighted-Graph-Based Grouping Algorithm for Metadata Prefetching
CSE Journal Articles (2010)
Peng Gu, Jun Wang, Yifeng Zhu, Hong Jiang, et al.
Although data prefetching algorithms have been extensively studied for years, there is no counterpart research done for metadata access performance. ...
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SmartStore: A New Metadata Organization Paradigm with Semantic-Awareness for Next-Generation ...
CSE Conference and Workshop Papers (2009)
Yu Hua, Hong Jiang, Yifeng Zhu, Dan Feng, et al.
Existing storage systems using hierarchical directory tree do not meet scalability and functionality requirements for exponentially growing datasets and increasingly ...
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Article
Localization Using Extended Kalman Filters in Wireless Sensor Networks
Kalman Filter: Recent Advances and Applications (2009)
Ali Shareef and Yifeng Zhu
Introduction: Localization arises repeatedly in many location-aware applications such as navigation, autonomous robotic movement, and asset tracking. Analytical localization methods ...
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SmartStore: A New Metadata Organization Paradigm with Metadata Semantic-Awareness for ...
CSE Technical reports (2008)
Yu Hua, Hong Jiang, Yifeng Zhu, Dan Feng, et al.
Existing data storage systems based on hierarchical directory tree do not meet scalability and functionality requirements for exponentially growing datasets ...
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Article
Energy Modeling of Processors inWireless Sensor Networks based on Petri ...
Graduate Student Scholarly and Creative Submissions (2008)
Ali Shareef and Yifeng Zhu
Power minimization is a serious issue in wireless sensor networks to extend the lifetime and minimize costs. However, in order ...
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HBA: Distributed Metadata Management for Large Cluster-Based Storage Systems
CSE Journal Articles (2008)
Yifeng Zhu, Hong Jiang, Jun Wang and Feng Xian
An efficient and distributed scheme for file mapping or file lookup is critical in decentralizing metadata management within a group ...
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Scalable and Adaptive Metadata Management in Ultra Large-scale File Systems
CSE Technical reports (2007)
Yu Hua, Yifeng Zhu and Hong Jiang
This paper presents a scalable and adaptive decentralized metadata lookup scheme for ultra large-scale file systems (≥ Petabytes or even ...
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AMP: An Affinity-based Metadata Prefetching Scheme in Large-Scale Distributed Storage ...
CSE Technical reports (2007)
Lin Li, Xuemin Li, Hong Jiang and Yifeng Zhu
Prefetching is an effective technique for improving file access performance, which can reduce access latency for I/O systems. In distributed ...
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Article
Comparison of MLP Neural Networks and Kalman Filter for Localization ...
19th IASTED International Conference: Parallel and Distributed Computing and Systems (2007)
Ali Shareef, Yifeng Zhu, Mohamad Musavi and Bingxin Shen
Localization with noisy distance measurements is a critical problem in many applications of wireless sensor networks. Different localization algorithms offer ...
Other
RACE: A Robust Adaptive Caching Strategy for Buffer Cache
CSE Journal Articles (2007)
Yifeng Zhu and Hong Jiang
While many block replacement algorithms for buffer caches have been proposed to address the well-known drawbacks of the LRU algorithm, ...
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CEFT: A cost-effective, fault-tolerant parallel virtual file system
CSE Journal Articles (2006)
Yifeng Zhu and Hong Jiang
The vulnerability of computer nodes due to component failures is a critical issue for cluster-based file systems. This paper studies ...
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Exploiting redundancy to boost performance in a RAID-10 style cluster-based ...
CSE Journal Articles (2006)
Yifeng Zhu, Hong Jiang, Xiao Qin, Dan Feng, et al.
While aggregating the throughput of existing disks on cluster nodes is a cost-effective approach to alleviate the I/O bottleneck in ...
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