scalable decentralized object location and routing for large scale peer to peer systems
scalable decentralized object location and routing for large scale peer to peer systems
. node, and is numerically closer to the key than the present node’s id.Pastry: Scalable, decentralized object location and routing for large- scale peer- to -peer systems Antony Rowstron and Peter. peer- to -peer applicationsis to provide efficient algorithms for object location and routing within the network.This paper presents Pastry, a generic peer- to -peer object location and routing scheme,based. originalmotivation for peer- to -peer systems, but it is not a pure peer- to -peer system becauseits database is centralized. All three systems are primarily intended for the large- scale share the...
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Báo cáo khoa học: "A System for Large-Scale Acquisition of Verbal, Nominal and Adjectival Subcategorization Frames from Corpora" pot
. plan to modify and extend this technique for the new system and use it to improve the perfor-mance further. The technique has so far been applied to verbs only, but it can also be applied to nouns and. text,etc.) is starting to produce large scale lexical re-sources which include frequency and usage infor-mation tuned to genres and sublanguages. Suchresources are critical for natural language. English corpora, which can be used to build large- scale lexicons for NLP purposes. We havealso described a new annotation tool for producingtraining and test data for the task. The acquisitionsystem,...
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Báo cáo hóa học: " Adaptive antenna selection and Tx/Rx beamforming for large-scale MIMO systems in 60 GHz channels" pptx
. antenna selection and Tx/Rxbeamforming for large- scale MIMO systems in60 GHz channelsKe Dong1, Narayan Prasad2, Xiaodong Wang3* and Shihua Zhu1AbstractWe consider a large- scale MIMO system. selection and Tx/Rxbeamforming for large- scale MIMO systems in 60 GHz channels.EURASIP Journal on Wireless Communications and Networking 2011 2011:59.Submit your manuscript to a journal and benefi. simple stochastic gradient method for updating thebeamformers.4.1 Stochastic gradient algorithm for beamformer updateThe algorithm for the beamformer update is a generali-zati on of [14] and...
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Báo cáo hóa học: " Research Article Distributed and Cooperative Link Scheduling for Large-Scale Multihop Wireless Networks" doc
. Furthermore, for large- scale multihop networks, distributed algorithms for routing, linkscheduling, and power control are necessary to ensure thescalability of computing complexity. For routing, . (6) and (9).As long as λlis large enough, upon convergence, Pl(i)(k) for each l becomes nonzero for some (at least one) of k=1, 2, , K, and zero for the rest of k = 1, 2, , K.Thenforeach. with moderate power allo-cations to an infeasible data rate with infinite power allocations isvery sharp for each of K<8.uled to be on for only one slot and off for all other slots. Wesee that...
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Báo cáo hóa học: " Research Article On Energy-Efficient Hierarchical Cross-Layer Design: Joint Power Control and Routing for Ad Hoc Networks" pdf
. network topolog y. To determine the maximum load for the network, we randomly generated 100 different topologies (for the same number of users) and we selected the max-imum number of users (for a. throughput bot-tlenecks for energy efficient joint power control and routing inad hoc wireless networks,” in Proceedings of the Conference onInformation Sciences and Systems , Princeton, NJ, USA, March2004.[21]. modifica-tion for the routing to account for this effect, which yielded amore uniform distribution of relayed flows per node over theentire network. Also, in [21], we have compared the per for- mance...
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Báo cáo hóa học: " Research Article On Energy-Efficient Hierarchical Cross-Layer Design: Joint Power Control and Routing for Ad Hoc Networks" pptx
. network topolog y. To determine the maximum load for the network, we randomly generated 100 different topologies (for the same number of users) and we selected the max-imum number of users (for a. throughput bot-tlenecks for energy efficient joint power control and routing inad hoc wireless networks,” in Proceedings of the Conference onInformation Sciences and Systems , Princeton, NJ, USA, March2004.[21]. Pn]:ci=Pi(n)1+Pi(n)sTiA−1ip(n)siA−1ip(n)si, (10)where ci and siare the filter coefficients vector, and the signa-ture sequence vector for user i,respectively,n is the iterationnumber, and Aiis defined as Ai=j=iPjhijsjsTj.Step...
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Báo cáo hóa học: " Multicarrier Access and Routing for Wireless Networking Diakoumis Gerakoulis" pot
. angle φ(n)iis assumed to be uni-form in the set {π/M,3π/M, ,(2M − 1)π/M} and sub-sequently the phase components A(n)i and B(n)iare i.i.d. for different n and i and uniformly distributed with. amethod for multiuser access and routing. This paper focuseson the development of a multicarrier system that operates atphysical, multiple access and routing level. The transmission and access. examine the net-work capacity and performance which includes the routing capacity and the network interference.2. SYSTEM DESCRIPTIONThe wireless access and routing system is shown in Figure...
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Optimal cost and allocation for UPFC using HRGAPSO to improve power system security and loadability
. assumed to be 1pu for all load buses (PQ buses) and to be equal to specified value for generation buses (PV buses) and max.jS is apparent power nominal rate of jth line or transformer.. acceleration constants and 1rand and 2rand are uniformly distributed random numbers in [0, 1]. The term ivr is limited to its bounds. If the velocity violates this limit, it is set to its proper. methods seems to be a good approach. RGA and PSO are strong combined for solving this problem of optimization. In order to overcome the drawbacks of particle swarm optimization and standard genetic...
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Tài liệu Stability and Control of Large-Scale Dynamical Systems pptx
. Hybrid Decentralized Control and Large- Scale ImpulsiveDynamical Systems 30613.3 Hybrid Decentralized Control for Large- Scale Dynamical Systems 31313.4 Interconnected Euler-Lagrange Dynamical Systems. Such systems include large- scale aerospace systems, power systems, communications sys-tems, network systems, transportation systems, large- scale manufacturing systems, integrative biological systems, . Impulsive Systems via VectorLyapunov Functions 21310.3 Vector Dissipativity Theory for Large- Scale Impulsive Dy-namical Systems 22410.4 Extended Kalman-Yakubovich-Popov Conditions for Large- Scale...
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Tài liệu Báo cáo khoa học: "Joint Feature Selection in Distributed Stochastic Learning for Large-Scale Discriminative Training in SMT" pdf
. beat in terms of accuracy and efficiency. In contrast, the promise of large- scale discriminative training for SMT is to scale to arbitrary types and numbers of features and to pro-vide sufficient. featuresacross tasks which leads to larger 2norms for somecolumns (here ||w1||2 and ||w2||2) and forces othercolumns to zero. This results in shrinking the ma-trix to those features that are. (NIPS’10),Vancouver, Canada.Andreas Zollmann and Khalil Sima’an. 2005. A consis-tent and efficient estimator for data-oriented parsing.Journal of Automata, Languages and Combinatorics,10(2/3):367–388.21(1)...
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