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Functional redundancy in heterogeneous environments: implications for conservation
Ecology Letters, 2001It has been argued that one of the best ways to conserve biological diversity is to maintain the integrity of functional processes within communities, and this can be accomplished by assessing how much ecological redundancy exists in communities. Evidence suggests, however, that the functional roles species play are subject to the influences of local ...
Todd Wellnitz, N. LeRoy Poff
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Structurally Redundant Heterogeneity and Group Decision Making
Academy of Management Proceedings, 2014The actual productivity of a group is equal to its potential productivity minus process losses associated with things such as low motivation, high coordination costs, and poor information pooling.
Yuan Hou, Reid Hastie
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A defense mechanism analysis for Dynamic Heterogeneous Redundancy
2022 23rd Asia-Pacific Network Operations and Management Symposium (APNOMS), 2022Leyi, Shi +4 more
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Redundant Packet Scheduling by Uncorrelated Paths in Heterogeneous Wireless Networks
2018 IEEE Symposium on Computers and Communications (ISCC), 2018Heterogeneous wireless networks operate under un-certainties as traffic load variation and failures. Redundant packet scheduling algorithms seek to timely cope with these uncertainties to meet the latency and throughput requirements for delay-sensitive applications, such as online gaming, voice and video streaming.
Felix, Benevid +4 more
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2021
Large-scale cluster storage systems contain hundreds-of-thousands of hard disk drives in their primary storage tier. Since the clusters are not built all at once, there is significant heterogeneity among the disks in terms of their capacity,make/model, firmware, etc.
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Large-scale cluster storage systems contain hundreds-of-thousands of hard disk drives in their primary storage tier. Since the clusters are not built all at once, there is significant heterogeneity among the disks in terms of their capacity,make/model, firmware, etc.
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ACTIVE REDUNDANCY ALLOCATION FOR COHERENT SYSTEMS WITH INDEPENDENT AND HETEROGENEOUS COMPONENTS
Probability in the Engineering and Informational Sciences, 2018This paper studies the allocation of active redundancies to coherent systems on the context that the base and redundancy components have mutual independent lifetimes. For systems with two symmetric components and systems with one component's minimal cut sets (minimal path sets) covering those of another, we derive sufficient conditions to compare the ...
Rui Fang, Xiaohu Li
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A Structure Design of Safety PLC with Heterogeneous Redundant Dual-Processor
2018 IEEE International Conference on Intelligence and Safety for Robotics (ISR), 2018Structure of safety PLC with heterogeneous redundant dual-processor is proposed based on the shortcomings of conventional PLC in practical application and the requirement of PLC for safety and reliability control. In the traditional PLC system using ARM processor, a 32-bit RISC processor based on FPGA is added, which to form a redundancy structure of ...
Mingshi Li +4 more
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Optimal staggered testing strategies for heterogeneously redundant safety systems
Reliability Engineering & System Safety, 2014Abstract Staggered testings are effective in improving the availability of redundant safety instrumented systems, and the optimal staggered time of testings for a system of two homogeneous components with the same testing interval has been proved as half of the testing interval.
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An Application Level Synchronization Method for Heterogeneous Redundant Structures
2023 IEEE Intl Conf on Parallel & Distributed Processing with Applications, Big Data & Cloud Computing, Sustainable Computing & Communications, Social Computing & Networking (ISPA/BDCloud/SocialCom/SustainCom), 2023Hong Yu +3 more
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A Heterogeneous Redundant Architecture for Industrial Control System Security
2022 IEEE 27th Pacific Rim International Symposium on Dependable Computing (PRDC), 2022Zhihao Dai +3 more
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