a gradient based routing protocol for load balancing
Báo cáo hóa học: " A scalable multi-sink gradient-based routing protocol for traffic load balancing" pot
Ngày tải lên :
21/06/2014, 00:20
... http://jwcn.eurasipjournals.com/content/2011/1/85 node Similar approaches based on the cumulative path load are founded in [10,11] III GLOBAL: a gradient- based routing protocol for LOad- BALancing The proposed GLOBAL protocol is designed ... residual energy as well as gradients of node i and itself Some protocols are similar to SGF (see [7,8]) A General operation of gradient- based routing protocols B.2 Using cumulative path load In gradient- based ... establishing the Routing protocols in WSNs Proactive Gradient- based routing protocols Reactive Hybrid Using 1-hop neighboring information Using cumulative path load Load balancing Figure Classification...
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Báo cáo hóa học: " Research Article A Sociability-Based Routing Scheme for Delay-Tolerant Networks" doc
Ngày tải lên :
21/06/2014, 11:20
... [14], cars act as data mules and employ a carry-and-forward paradigm to transfer data packets to a portal Finally, in [15], opportunistic data delivery is studied when both traditional routing and ... delay-tolerant applications A variety of measurements have been made recently available on the Internet [3, 26] in the form of traffic traces or contact patterns When a historical database of contacts ... delay) and is started at a random time on the first day of traced period We set a timeout of day and a transmission range TR = 500 meters This value is in accordance, for example, with the standard...
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Giao thức định tuyến lai kết hợp hai vùng trong mạng tùy biến di động A TwoZone Hybrid Routing Protocol for Mobile Ad Hoc Networks
Ngày tải lên :
02/06/2015, 16:33
... Woodward, “ADistance Routing Effect Algorithm for Mo bility (DREAM),” Proc.MOBICOM Conf 1998, pp 7684, Oct 1998 [2] J Broch, D .A Maltz, D.B Johnson, Y.C Hu, and J Jetcheva, “APerformance Comparison ... Link State Routing) , STAR [4]), giao thức định tuyến nguồn động DSR (Dynamic Source Routing) , giao thức định tuyến vector khoảng cách theo yêu cầu AODV (Ad hoc On- demand Distance Vector routing) ... khai giao thức định tuyến, việc so sánh đánh giá giao thức cần có thêm mô hình kịch ứng dụng tiếp cận điều kiện thực tiễn Tài liệu tham khảo [1] S Basagni, I Chlamtac, V.R Syrotiuk, and B.A...
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Báo cáo hóa học: " Research Article Impact of LQI-Based Routing Metrics on the Performance of a One-to-One Routing Protocol for IEEE 802.15.4 Multihop Networks" docx
Ngày tải lên :
21/06/2014, 11:20
... International Conference on Advanced Information Networking and Applications Workshops/Symposia (AINAW ’07), vol 1, pp 159–164, Niagara Falls, Canada, May 2007 [16] R Draves, J Padhye, and B ... high average LQI values For instance, the standard deviation is below for average LQI values beyond 105 (which lead to LDR values between 99.9% and 100%) As the average LQI decreases, the standard ... explanation is that their experiments were carried out in very 6.3 Considerations for Routing Ideally, a link quality estimator for a routing protocol should be accurate, agile, and stable, and...
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A priority based multi path routing protocol for sensor networks
Ngày tải lên :
26/09/2015, 09:47
... candidate paths, in a priority -based approach depending on the energy resource conditions of all candidate paths This load- balanced routing strategy renders a reliable data delivery performance ... MAC is still proposed in PAMAS [19] for MANET Based on the original MACA [21] protocol, PAMAS adds one separate channel CHAPTER PROTOCOL DESIGN GUIDELINES AND PRELIMINARY REMARKS 16 for signaling ... CHAPTER PROTOCOL DESIGN GUIDELINES AND PRELIMINARY REMARKS 12 Protocol Stack Mobility Management Plane Power Management Plane Transport Layer Network Layer Data Link Layer Task Management Plane Application...
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Báo cáo hóa học: "Research Article A Random Ant-Like Unicast Routing Protocol for Wireless Ad Hoc Sensor Networks and Performance Evaluation" pdf
Ngày tải lên :
21/06/2014, 17:20
... provide performance comparison with other routing algorithms We also conduct an approximated mathematical analysis for the RAUR to analyze its performance RAUR is a source routing -based algorithm ... traffic load, it is scalable as the routing load change is small and gradual even at higher number of sending sources The advantages of RAUR are due to its unicast routing mechanism We have also ... header The data packet is treated like any data packet that cannot be forwarded at a node due to an invalid path in its header The node carries out a route discovery operation, as described earlier,...
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Báo cáo hóa học: " A Gradient-Based Optimum Block Adaptation ICA Technique for Interference Suppression in Highly Dynamic Communication Channels" doc
Ngày tải lên :
22/06/2014, 23:20
... equivalent to fast-ICA An optional scaling constant In practice, a parameter k can be introduced in (33) to further optimize the algorithm performance if a priori information is available regarding ... which tailors the learning rate for each coefficient in the separation matrix and updates those rates at each block iteration The computational complexity of OBA/ICA for each iteration is equivalent ... basic strategy of OBA/ICA Section formulates OBA/ICA, and it is also shown that OBA/ICA reduces to online gradient ICA in the simplest case Section deals with several practical implementation issues...
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Báo cáo hóa học: " A Complementary Code-CDMA-Based MAC Protocol for UWB WPAN System" pptx
Ngày tải lên :
23/06/2014, 00:20
... total delay due to collision resolution, the total delay associated with actual data transmission, and the delay caused by the collision of a data packet in a data slot The latter term appears when ... the average delay and throughput performance of both CCCDMA and CSMA/CA protocols It is seen that the proposed CC-CDMA exhibit better performance compared to the CSMA/CA protocol A CC-CDMA -Based ... During a CAP, the DEVs access the channel using CSMA/CA to send commands and nonstream asynchronous data Channel access in the CTAP is based on TDMA The CTAP is divided into channel time allocation...
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Báo cáo hóa học: " A Combined Intensity and Gradient-Based Similarity Criterion for Interindividual SPECT Brain Scan Registration Roger Lundqvist" docx
Ngày tải lên :
23/06/2014, 01:20
... magnitude values from the floating image to make the mean gradient magnitudes the same for both images A multiplicative scale factor can be calculated as the ratio between the mean gradient magnitudes ... original image Oi was 465 transformed and reformatted into 10 new images Ii j by applying known transformations selected randomly within reasonable parameter intervals The transformation parameter ... and a template image registered to a standard anatomy, such as a stereotactic coordinate system defined by a brain atlas In this evaluation, a template image It created as a mean image of 12 coregistered...
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Báo cáo khoa học: "Registration accuracy for MR images of the prostate using a subvolume based registration protocol" pps
Ngày tải lên :
09/08/2014, 09:20
... study, a cm margin added to the prostate was required to ensure a successful registration An alternative approach is non-rigid image registration for treatment adaptation Chao et al [26] used deformable ... uncertainties from this study indicate that a standard deviation of approximately mm can be achieved in an automatic procedure Data from the CTbased study [23] indicate similar results, based ... 26 Chao M, Xie Y, Xing L: Auto-propagation of contours for adaptive prostate radiation therapy Phys Med Biol 2008, 53:4533-4542 27 Wang H, Garden AS, Zhang L, Wei X, Ahamad A, Kuban DA, Komaki...
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báo cáo khoa học: " Social networks, work and network-based resources for the management of long-term conditions: a framework and study protocol for developing self-care support" potx
Ngày tải lên :
10/08/2014, 10:23
... research aimed at constructing, adapting, and implementing strategies for self-care support for socially disadvantaged people with vascular conditions (diabetes, heart disease, kidney disease, and ... status, use of self-care and self-care support, and a set of validated measures on aspects of social capital and social support A second survey instrument was administered and audio-recorded and ... research has been funded by the Collaboration for Leadership in Applied Health Research and Care (CLAHRC) for Greater Manchester CLAHRC Greater Manchester is a partnership between the Greater Manchester...
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A robust routing protocol for wireless mobile ad hoc networks
Ngày tải lên :
26/09/2015, 09:48
... Overhead Performance of Adaptive RET 110 Figure 4.15 Delay Performance of Adaptive RET 110 ix A Robust Routing Protocol MANET List of Abbreviations LIST OF ABBREVIATIONS ABR AODV Associativity -Based ... criteria are considered, MANET protocols can be based on either Link State or Distance Vector Each of these strategies has its Table 2.1 gives a summary on these relative advantage and disadvantages ... Criteria Classification Characteristics Advantage/Disadvantage Examples Proactive (Tabledriven) Regular exchange of routing information DSDV[5] CGSR[6] WRP[7] Reactive (On-Demand) Initiate route Smaller...
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A User Identity Management Protocol for Cloud Computing Paradigm
Ngày tải lên :
31/07/2013, 09:43
... system, and a natural evolution for data centers that employ automated systems management, workload balancing, and virtualization technologies A cloud infrastructure can be a cost efficient model for ... applications quickly and to scale up applications as much as when needed The platform supports traditional Java™ and Linux, Apache, MySQL, PHP (LAMP) stack -based applications as well as new architectures ... Unavailability of a web site may hinder the on-going transactions and it may lead to loss of money and customers Technologies such as load balancing hardware and software are aimed at ensuring availability...
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Tài liệu GIVING CREDIT WHERE CREDIT IS DUE: CREATING A COMPETENCY-BASED QUALIFICATIONS FRAMEWORK FOR POSTSECONDARY EDUCATION AND TRAINING pdf
Ngày tải lên :
16/02/2014, 03:20
... competency -based framework within which states and institutions can award educational credit for academic-equivalent competencies mastered through formal and informal occupational education and training ... within a standard The standard associated with certifications is an American National Standard and an ISO/IEC Standard 17024 It addresses the requirements of a certification program that looks at ... organizations and, since 2009, educational certificate programs based on American National Standards or ISO International Standards To date, ANSI has accredited 30 certification bodies, and is...
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Tài liệu Báo cáo khoa học: "MemeTube: A Sentiment-based Audiovisual System for Analyzing and Displaying Microblog Messages" pdf
Ngày tải lên :
20/02/2014, 05:20
... similar to what many people have proposed for evaluation (Davidov et al 2010; Sun et al 2010; Bifet and Frank 2010; Go et al 2009; Pak and Paroubek 2010; Chen et al 2010) We use data from January ... recognition We also integrate the sentiment-detection system with a real-time rule -based harmonic music and animation generator to display streams of messages in an audiovisual format Conceptually, ... la 2009 Barbosa and Feng Related works can be divided into two parts: sentiment classification in microblogs, and sentimentbased audiovisual presentation for social media For the first part, most...
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Tài liệu Báo cáo khoa học: "A Phrase-based Statistical Model for SMS Text Normalization" ppt
Ngày tải lên :
20/02/2014, 12:20
... a consensus translation technique to bootstrap parallel data using off-the-shelf translation systems for training a hierarchical statistical translation model for general domain instant messaging ... Text Paraphrasing Problem Others may regard SMS normalization as a paraphrasing problem Broadly speaking, paraphrases capture core aspects of variability in language, by representing equivalencies ... transformations SMS Normalization We view the SMS language as a variant of English language with some derivations in vocabulary and grammar Therefore, we can treat SMS normalization as a MT problem...
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Tài liệu Báo cáo khoa học: "A text-based search interface for Multimedia Dialectics" ppt
Ngày tải lên :
22/02/2014, 02:20
... cross-lingual information resources for automatically expanding and generalising the data (semantic relations) one can mine from the corpus Figure 1: The COSMOROE cross-media relations For annotating a ... offsets Also, the user may watch the video clips of the modalities that participate in the relation (e.g a particular gesture) and/or a static image (keyframe) of a participating image region (e.g a ... Further details on the hit, i.e information an advanced user would get, are available following the advanceinformation link The use of semantic relations in multimedia data, in this case, is hidden...
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Báo cáo khoa học: "A Web-based Evaluation Framework for Spatial Instruction-Giving Systems" docx
Ngày tải lên :
07/03/2014, 18:20
... Tasks and Comparative Evaluation in Natural Language Generation Robert Dale, Sabine Geldof, and Jean-Philippe Prost 2003 CORAL : Using Natural Language Generation for Navigational Assistance In Proceedings ... Learning and evaluation In Proceedings of Interspeech/ICSLP, pages 1065–1068 54 Harlan Hiley, Ramakrishna Vedantham, Gregory Cuellar, Alan Liuy, Natasha Gelfand, Radek Grzeszczuk, and Gaetano ... Virtual Worlds In Workshop on Shared Tasks and Comparative Evaluation in Natural Language Generation Rainer Malaka and Er Zipf 2000 Deep Map - challenging IT research in the framework of a tourist...
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Báo cáo khoa học: "A Class-Based Agreement Model for Generating Accurately Inflected Translations" pptx
Ngày tải lên :
16/03/2014, 19:20
... ACL N Habash and F Sadat 2006 Arabic preprocessing schemes for statistical machine translation In NAACL H Hassan, K Sima’an, and A Way 2007 Supertagged phrasebased statistical machine translation ... The alignment template approach to statistical machine translation Computational Linguistics, 30(4):417–449 F J Och, D Gildea, S Khudanpur, A Sarkar, K Yamada, A Fraser, et al 2004 A smorgasbord ... 2011 An exponential translation model for target language morphology In ACL-HLT C Tillmann 2004 A unigram orientation model for statistical machine translation In NAACL K Toutanova, H Suzuki, and...
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Báo cáo khoa học: "The Best of Both Worlds – A Graph-based Completion Model for Transition-based Parsers" pot
Ngày tải lên :
17/03/2014, 22:20
... compare aspects of transition -based and graph -based parsing, and end up using a transition -based parser with a combined transition -based/ second-order graph -based scoring model (Zhang and Clark, ... integrated algorithm we are looking for has to be transition -based at the top level The advantages of the graph -based approach – a more globally informed basis for the decision among different attachment ... (McDonald and Pereira, 2006) (Huang and Sagae, 2010) (Zhang and Nivre, 2011) (Koo and Collins, 2010) (Martins et al., 2010) T (baseline) G 2a (baseline) T 2a T2ab T2ab 3a T2ab3b T2ab3c T2ab3abc+ G 2a+ ...
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