Academic literature on the topic 'Continuous descent approach'

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Journal articles on the topic "Continuous descent approach"

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Khardi, S. "Aircraft Shortest and Fastest Continuous Descent Approach Development." Journal of Aircraft 49, no. 6 (November 2012): 1931–39. http://dx.doi.org/10.2514/1.c031775.

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Turgut, Enis T., Oznur Usanmaz, Ali Ozan Canarslanlar, and Ozlem Sahin. "Energy and emission assessments of continuous descent approach." Aircraft Engineering and Aerospace Technology 82, no. 1 (January 26, 2010): 32–38. http://dx.doi.org/10.1108/00022661011028092.

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Gągorowski, Andrzej. "CONTINUOUS DESCENT APPROACH: NOISE TEST FOR WARSAW INTERNATIONAL AIRPORT." Journal of KONES. Powertrain and Transport 19, no. 2 (January 1, 2015): 167–74. http://dx.doi.org/10.5604/12314005.1137915.

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Cao, Yi, Li Jin, Nguyen V. P. Nguyen, Steven Landry, Dengfeng Sun, and Joseph Post. "Evaluation of Fuel Benefits Depending on Continuous Descent Approach Procedures." Air Traffic Control Quarterly 22, no. 3 (July 2014): 251–75. http://dx.doi.org/10.2514/atcq.22.3.251.

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Jin, Li, Yi Cao, and Dengfeng Sun. "Investigation of Potential Fuel Savings Due to Continuous-Descent Approach." Journal of Aircraft 50, no. 3 (May 2013): 807–16. http://dx.doi.org/10.2514/1.c032000.

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Novak, Doris, Tomislav Radisic, and Mira Pavlinovic. "Ecological and Operational Aspects of Continuous Descent Approach – Croatian Case." Journal of Traffic and Logistics Engineering 2, no. 2 (2014): 95–99. http://dx.doi.org/10.12720/jtle.2.2.95-99.

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Itoh, E., M. Everdij, G. J. (B) Bakker, and H. Blom. "Effects of surveillance failure on airborne-based continuous descent approach." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 226, no. 11 (December 7, 2011): 1470–80. http://dx.doi.org/10.1177/0954410011421995.

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Browning, Sharon. "A Monte Carlo approach to calculating probabilities for continuous identity by descent data." Journal of Applied Probability 37, no. 03 (September 2000): 850–64. http://dx.doi.org/10.1017/s0021900200016041.

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Two related individuals are identical by descent at a genetic locus if they share the same gene copy at that locus due to inheritance from a recent common ancestor. We consider idealized continuous identity by descent (IBD) data in which IBD status is known continuously along chromosomes. IBD data contains information about the relationship between the two individuals, and about the underlying crossover processes. We present a Monte Carlo method for calculating probabilities for IBD data. The method is not restricted to Haldane's Poisson process model of crossing-over but may be used with other models including the chi-square, Kosambi renewal and Sturt models. Results of a simulation study demonstrate that IBD data can be used to distinguish between alternative models for the crossover process.
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Browning, Sharon. "A Monte Carlo approach to calculating probabilities for continuous identity by descent data." Journal of Applied Probability 37, no. 3 (September 2000): 850–64. http://dx.doi.org/10.1239/jap/1014842841.

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Two related individuals are identical by descent at a genetic locus if they share the same gene copy at that locus due to inheritance from a recent common ancestor. We consider idealized continuous identity by descent (IBD) data in which IBD status is known continuously along chromosomes. IBD data contains information about the relationship between the two individuals, and about the underlying crossover processes. We present a Monte Carlo method for calculating probabilities for IBD data. The method is not restricted to Haldane's Poisson process model of crossing-over but may be used with other models including the chi-square, Kosambi renewal and Sturt models. Results of a simulation study demonstrate that IBD data can be used to distinguish between alternative models for the crossover process.
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Clarke, John-Paul B., Nhut T. Ho, Liling Ren, John A. Brown, Kevin R. Elmer, Kwok-On Tong, and Joseph K. Wat. "Continuous Descent Approach: Design and Flight Test for Louisville International Airport." Journal of Aircraft 41, no. 5 (September 2004): 1054–66. http://dx.doi.org/10.2514/1.5572.

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Dissertations / Theses on the topic "Continuous descent approach"

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Zouhar, Jakub. "Problematika zavádění Continuous descent approach a jejich dopad na kapacitu vzdušného prostoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231492.

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This master’s thesis is focused on the continuous descent approach procedure and its impact on the airspace capacity. The first part is devoted to the theoretical description of the procedure and the assessment of the current situation in implementation of continuous descent approach at the European airports. The impact on the airspace capacity is demonstrated by a detailed analysis of the procedure application at Praha – Ruzyně airport. The aim of the analysis is to define critical areas that have to be solved before permanent application of the procedure. In the following chapters there are presented possible solutions of conflict spots in the current operational environment and in the future after implementation of 4D trajectory concept as well. The last part is focused on the application of continuous descent approach at Praha – Ruzyně airport after the construction of a parallel runway.
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Dias, Daniel Pisani. "Aircraft spacing for continuous descent approach in a terminal area based on required time of arrival at a metering fix." Instituto Tecnológico de Aeronáutica, 2010. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=1087.

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Guiding arriving flights through congested terminal airspace has always been a challenge. As traffic builds up, controllers must often move traffic away from the airport until they can bring those flights in for landing, causing inefficiencies. A widespread implementation of Continuous Descent Approach (CDA) would result in significant reductions in environmental impact and airline operating costs, however, a significant barrier to system wide CDA implementation is the difficulty to merge and space flights so that the CDA is flown safely. The en route metering essentially allows flights to absorb any necessary arrival delays en route, with transition to the terminal area in a pre-planned sequence. When delays would be imposed, the priority of landing would be based on the calculated time of arrival for each flight at the last metering fix, using a First-Come-First-Served policy. The spacing between successive arriving flights needs to be sufficient to allow for other flights downstream to merge into the overall flow while maintaining the minimum required separation according to the applicable rules. This work describes the fundamental design of a decision-support tool and procedures for CDA in the Sao Paulo Terminal Radar Approach Control (SP-TRACON) with flight spacing based on Required Time of Arrival (RTA) at a metering fix. A linear programming model was used to establish required time of arrival at TRACON entry points to provide adequate separation on final approach following the Standard Terminal Arrival Routes (STARs). For this purpose, typical actual traffic data approaching to airports in the SP-TRACON were used to apply the sequence model and evaluate the potential benefits on throughput and delays for Sao Paulo - Guarulhos airport. Using the ATFM methodology developed in this work, the general delays applied to the traffics of the two selected days were 53.5% and 55.1% lower than the delays observed with ATFM measures used by air traffic controllers. For the peak hours considered, the methodology provided 25.5% and 30.1% delay reduction. The air traffic controllers role in the process and workload reduction is also discussed.
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Weitz, Lesley Anne. "A fast-time study on increasing the capacity of continuous descent approaches through airborne precision spacing." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2508.

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Due to projectedincrea ses in air traffic, there are several research efforts underway to evaluate ways to safely increase the capacity of the National Airspace System (NAS), improve operational efficiency, andre duce aircraft noise. At NASA Langley Research Center (LaRC) in Hampton, Virginia, two parallel research efforts have focusedon terminal area research: one is Airborne Precision Spacing (APS), and the other is the Quiet Aircraft Technologies (QAT) project. The APS objective is to increase terminal-area capacity without adversely affecting safety, whereas the QAT project objective is to develop noise- and fuel-efficient approach trajectories. The APS project developed a cockpit tool, called Airborne Merging and Spacing for Terminal Arrivals (AMSTAR), that issues speedco mmands to aircraft to maintain desired spacing between aircraft pairs. The APS studies showed an ability to increase runway capacity; however, capacity increases may negatively impact noise andemissio n levels in airport areas. The QAT project created efficient Continuous Descent Approaches (CDAs), which showedred uctions in aircraft ground noise and fuel consumption. Previous research has shown that CDA trajectories have adverse effects on runway capacity because aircraft must be spacedf urther apart at long distances from the runway to prevent separation losses at the runway threshold. To date, the APS and CDA concepts have been evaluated independently at LaRC.In this study, three different approaches to combining APS and CDA operations were evaluatedto determine the feasibility and benefits of combining these concepts. These methods combined AMSTAR with 3◦-flight-path-angle-CDA approach routes, 3◦-CDA routes with spoilers, and2 ◦-CDA routes without spoilers. Adding the use of spoilers allowedf aster responses to large speedr eductions issued by AMSTAR. This improvement was contrastedwith the effects of a shallower flight-path angle for greater deceleration capabilities. This research indicated that AMSTAR improved the performance of CDA operations, although full capacity improvements were not achieved. Whereas the 2◦-CDA routes were expectedto show the best results, the 3◦-CDA case with spoilers showed the least variability in thresholdspacing errors. All of the CDA routes were more noise, fuel, and time efficient than traditional step-descent routes that are commonly usedto day.
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Books on the topic "Continuous descent approach"

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Abbes, Ahmed, and Michel Gros. Representations of the fundamental group and the torsor of deformations. Local study. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691170282.003.0002.

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This chapter focuses on representations of the fundamental group and the torsor of deformations. It considers the case of an affine scheme of a particular type, qualified also as small by Faltings. It introduces the notion of Dolbeault generalized representation and the companion notion of solvable Higgs module, and then constructs a natural equivalence between these two categories. It proves that this approach generalizes simultaneously Faltings' construction for small generalized representations and Hyodo's theory of p-adic variations of Hodge–Tate structures. The discussion covers the relevant notation and conventions, results on continuous cohomology of profinite groups, objects with group actions, logarithmic geometry lexicon, Faltings' almost purity theorem, Faltings extension, Galois cohomology, Fontaine p-adic infinitesimal thickenings, Higgs–Tate torsors and algebras, Dolbeault representations, and small representations. The chapter also describes the descent of small representations and applications and concludes with an analysis of Hodge–Tate representations.
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Book chapters on the topic "Continuous descent approach"

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Gao, Yang, and Yanchen Hou. "Research on the Continuous Descent Approach (CDA) Operational Error of Pilot Base on Cloud Model and Uncertainty Theory." In Lecture Notes in Computer Science, 91–100. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07725-3_9.

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Irani, Ayesha A. "The Prophet of Light and Love." In The Muhammad Avatāra, 1–69. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780190089221.003.0001.

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The opening chapter begins with analysis of Saiyad Sultān’s invocation to God in the Nabīvaṃśa (Lineage of the Prophet), highlighting the translation strategies he uses to present Islamic cosmogony to Bengalis. Sultān’s Nūr Muhammad, the primordial principle of the light of Muhammad, draws upon a range of medieval Islamic sources. At the same time, it acquires a new brilliance while being reflected in the mirror of Bengali cosmogonical ideas and symbols, including the cosmic syllable om̐, the principles of Sāṃkhya philosophy and of the Dharma cult, and the Vaiṣṇava doctrine of divine descent (avatāravāda). The chapter argues that this approach, which represents the doctrine of Muhammad’s ancient light as being continuous with indigenous cosmologies, is emblematic of the Nabīvaṃśa and one of Sultān’s most effective literary strategies for conversion. This chapter also situates the author in the historical context of seventeenth-century Caṭṭagrāma (Chittagong).
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K., Lodewiek, Nico De Gelder, Alexander C. In t Veld, Marinus M. Van Paassen, and Max Mulder. "Time-based Spaced Continuous Descent Approaches in Busy TMAs." In Air Traffic Control. Sciyo, 2010. http://dx.doi.org/10.5772/9843.

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Tielrooij, Maarten, Alexander C. In T Veld, Marinus M. Van Paassen, and Max Mulder. "Development of a Time-Space Diagram to Assist Air Traffic Controllers in Monitoring Continuous Descent Approaches." In Air Traffic Control. Sciyo, 2010. http://dx.doi.org/10.5772/9845.

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Parikh, Shilpi Hiteshkumar, Anushka Gaurang Sandesara, and Chintan Bhatt. "Network Intrusion Detection Using Linear and Ensemble ML Modeling." In Advances in Wireless Technologies and Telecommunication, 27–50. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-6988-7.ch003.

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Network attacks are continuously surging, and attackers keep on changing their ways in penetrating a system. A network intrusion detection system is created to monitor traffic in the network and to warn regarding the breach in security by invading foreign entities in the network. Specific experiments have been performed on the NSL-KDD dataset instead of the KDD dataset because it does not have redundant data so the output produced from classifiers will not be biased. The main types of attacks are divided into four categories: denial of service (DoS), probe attack, user to root attack (U2R), remote to local attack (R2L). Overall, this chapter proposes an intense study on linear and ensemble models such as logistic regression, stochastic gradient descent (SGD), naïve bayes, light GBM (LGBM), and XGBoost. Lastly, a stacked model is developed that is trained on the above-mentioned classifiers, and it is applied to detect intrusion in networks. From the plethora of approaches taken into consideration, the authors have found maximum accuracy (98.6%) from stacked model and XGBoost.
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Jarow, E. H. Rick. "Alakā." In The Cloud of Longing, 103–11. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780197566633.003.0009.

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As the Cloud Messenger approaches the city where the Yaksha’s beloved resides (Alakā) the concentric layers of the poetic mandala narrow. The descriptive focus descends along with the Cloud to the city rooftops, the city, and its residents. The Cloud is led to the Yaksha’s home and finally to his beloved. The visual descriptions of the city are stunning, as the text continues to echo the Rāmāyaṇa, citing Hanumān’s display of the Rāma’s ring to Sītā. The ring, as the sign, tries to keep the hope of meeting alive. It offers hints, but itself provides no resolution save that of pointing to its own impossibility. It is this very impossibility, however, that becomes exalted as longing amplifies the mood of separation, and through the deep recognition of this condition, rasa appears.
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Lin Yang, Chun Cheng, and Richard L. Anderson. "Lower Eyelid and Midfacial Rejuvenation." In Surgery of the Eyelid, Lacrimal System, and Orbit. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780195340211.003.0035.

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Over the past two and a half decades, techniques for midfacial rejuvenation have evolved. Midfacial rejuvenation has gained significant popularity among many aesthetic surgeons, including the ophthalmic plastic surgeon. Yet rejuvenation of the midface remains a challenge for the aesthetic surgeon who seeks facial harmony. A variety of techniques and approaches are available, yet no single approach is ideal for all patients. It is clear that the age-related anatomic alterations that cause patients to seek rejuvenation vary from patient to patient, and that many patients have more than one anatomic alteration that must be addressed to rejuvenate the lower lid. The surgeon must address the individual needs of each patient for optimal results. It has also become clear that the lower eyelid and midface form a continuum that needs to be addressed in its entirety for optimal rejuvenation. To achieve this, the surgeon must understand the basic concepts important to lower eyelid and midface rejuvenation, which include an understanding of eyelid and midfacial anatomy, an understanding of aging changes of the lower eyelid and midface, and surgical approaches and nonincisional options. A full understanding of aging changes in the lower eyelid and midface is essential to successfully address midfacial rejuvenation. A harmonious facial appearance consists of a balanced relationship among all tissues of the face. With age, disturbance of this harmony among midfacial tissues occurs. The aging process of the midface encompasses the lower eyelid, malar fat pad and associated structures, melolabial fold, and lateral perioral region. Hester describes four important features of midfacial aging: (1) baring of the inferior orbital rim with creation of a hollow valley at the junction of the lower eyelid and cheek; (2) descent of the malar fat pad, with loss of malar prominence; (3) deepening of the tear trough; and (4) exaggeration of the nasolabial fold. The midface represents a crucial aesthetic unit of the face. It is bordered by structures that play major roles in the overall appearances of the face. The lower eyelid and tear trough toward the nose and the lateral canthus and crow’s feet at the superior lateral aspect frame the midface superiorly.
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Conference papers on the topic "Continuous descent approach"

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Johnson, Walter, Nhut Ho, Vernol Battiste, Kim-Phuong L. Vu, Joel Lachter, Sarah Ligda, Arik Dao, and Patrick Martin. "Management of continuous descent approach during interval management operation." In 2010 IEEE/AIAA 29th Digital Avionics Systems Conference (DASC). IEEE, 2010. http://dx.doi.org/10.1109/dasc.2010.5655336.

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Cao, Yi, Sivakumar Rathinam, and Dengfeng Sun. "A Rescheduling Method for Conflict-free Continuous Descent Approach." In AIAA Guidance, Navigation, and Control Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2011. http://dx.doi.org/10.2514/6.2011-6218.

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Alam, S., M. H. Nguyen, H. A. Abbass, C. Lokan, M. Ellejmi, and S. Kirby. "A dynamic continuous descent approach methodology for low noise and emission." In 2010 IEEE/AIAA 29th Digital Avionics Systems Conference (DASC). IEEE, 2010. http://dx.doi.org/10.1109/dasc.2010.5655502.

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Elmer, Kevin, Joseph Wat, Belur Shivashankara, Daniel McGregor, and David Lambert. "A Continuous Descent Approach Study Using Ames B747-400 Flight Simulator." In AIAA's Aircraft Technology, Integration, and Operations (ATIO) 2002 Technical Forum. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2002. http://dx.doi.org/10.2514/6.2002-5869.

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Ye, Bojia, Zhaohui Wang, Yong Tian, and Lili Wan. "Aircraft-specific trajectory optimization of continuous descent approach for fuel savings." In 2017 IEEE/SICE International Symposium on System Integration (SII). IEEE, 2017. http://dx.doi.org/10.1109/sii.2017.8279312.

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Bouadi, Hakim, and F. Mora-Camino. "Space-Based Nonlinear Dynamic Inversion Control for Aircraft Continuous Descent Approach." In 2012 IEEE Conference on Evolving and Adaptive Intelligent Systems (EAIS). IEEE, 2012. http://dx.doi.org/10.1109/eais.2012.6232823.

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Lindsay, Peter, Colin Ramsay, Miguel Vilaplana, Javier Lopez Leones, Enrique Casado, and Paul Parks. "Robustness of Idle-Throttle Continuous Descent Approach Trajectories Against Modified Timing Requirements." In 9th AIAA Aviation Technology, Integration, and Operations Conference (ATIO). Reston, Virigina: American Institute of Aeronautics and Astronautics, 2009. http://dx.doi.org/10.2514/6.2009-6910.

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van der Eijk, Arie, Max Mulder, M. M. (René) van Paassen, and Alexander in 't Veld. "Assisting Air Traffic Control in Planning and Monitoring Continuous Descent Approach Procedures." In AIAA Guidance, Navigation, and Control Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2009. http://dx.doi.org/10.2514/6.2009-6163.

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Coppenbarger, Richard, Robert Mead, and Douglas Sweet. "Field Evaluation of the Tailored Arrivals Concept for Datalink-Enabled Continuous Descent Approach." In 7th AIAA ATIO Conf, 2nd CEIAT Int'l Conf on Innov and Integr in Aero Sciences,17th LTA Systems Tech Conf; followed by 2nd TEOS Forum. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2007. http://dx.doi.org/10.2514/6.2007-7778.

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Elmer, Kevin, Joeseph Wat, Belur Shivashankara, Anthony Warren, Kwok-On Tong, and John-Paul Clarke. "Community Noise Reduction Using Continuous Descent Approach: A Demonstration Flight Test at Louisville." In 9th AIAA/CEAS Aeroacoustics Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.2003-3277.

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