an ontological model for describing construction requirements
Construction requirements driven planning and scheduling
... flexible and formal representation to define construction requirements For this purpose, a review of ontological approaches for defining and modelling requirements from mechanical design and software ... better understand the underlying implications of misrepresented and omitted construction requirements on the construction project Further, an ontological model for describing construction requirements ... construction and forms the basis for representing critical information and construction knowledge; construction requirements driven planning becomes a key tool in constructability analysis of construction...
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Multi objective genetic algorithm for robust flight scheduling
... recent file for bankruptcy, Aaron Gellman an aviation expert at Northwestern University believes that United Airlines will emerge from bankruptcy and they’ll come up leaner and meaner as a competitor ... to evaluate the performance of the flight schedule SimAir considers different performance measures (or criteria) such as flight cancellation, operational cost and other performance indices as well ... efficiently and economically Therefore, in its scheduling practices, airline management must continually search for the balance between adequate service and economic strength for the company Airline...
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An efficient genetic algorithm for the p median
... Table Summary of the first 10 iterations of GA Iter Merge Draft Candidate Fitness Replace 10 and 4 and and and 2 and and and and and and 1-2-3-10-11-12 3-10-11-12 4-5-6-8-10-12 1-2-3-4-5-6 3-4-5-6-10-11 ... useful strategic planning tool for many single-level distribution systems (for application examples see (Fitzsimmons and Austin, 1983; Erkut, Myroon and Strangway, 2000)) Teitz and Bart (1968) presented ... improve the performance on some problems by slowing down convergence We made no effort to customize the algorithm to the problems on hand, and used the same formulas for the population size and the...
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Báo cáo hóa học: " 2DPCA fractal features and genetic algorithm for efficient face representation and recognition" pdf
... preserve all the five parameters for each transformation, for the two databases From the previous analysis, we can notice that the best choice to keep is five transformations where each one is coded ... of transformation used as features and the recognition rate We have found that recognition rate grows until transformation number reaches a value about 5, and then it remains almost constant as ... constant as transformation number continues to grow Consequently, the compromise recognition rate/transformation (the optimal situation is given with the minimum number of transformation and a satisfactory...
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application of real coded genetic algorithm for ship hull surface fitting with a single non-uniform b-spline surface
... surface modeling is required to be as accurate as possible for the effective support of ship production as well as for numerical performance analysis A traditional method for ship hull form reconstruction ... and an innovative construction of a single NUB surface for geometrically complicated ship hull forms The simultaneous fitting technique provides optimal knot values and vertices arrangement for ... In an early design stage, geometry performance and mesh generation can be very time consuming Geometry is translated into a CAD system format (IGES, DXF, STEP, etc) and the mesh generation translates...
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A MULTI-OBJECTIVE EVOLUTIONARY ALGORITHM USING DIRECTIONS OF IMPROVEMENT AND APPLICATION
... of significantly di↵erent • Ranking all algorithms with selected performance metrics on each test problem, the average ranks for each performance metric are calculated 2.5 Search’s guidance in MOEAs ... a and b to indicate that a b means a is not worse than b, then dominance can be formally defined in [26]: Definition (Dominance): x1 x2 if the following conditions are met: fj (x1 ) fj (x2 ) for ... on the performance of algorithms Therefore, we need to test the algorithms on a number of runs with di↵erent random seeds The mean and standard deviation are collected on each metric for each...
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Large scale structural identification by multi civilization genetic algorithm approach
... nature of analysis can be broadly categorized as direct analysis and inverse analysis (Bekey, 1970) In direct analysis, system parameters (such as stiffness, mass and damping ratio) are known and the ... simultaneously Herrmann et al (1998) combined the least square method and the extended Kalman filter and applied to the damped FE models with many DOFs Li et al (1999) used Extended Kalman Filter ... for this study due to the wide availability of many PCs on the local area network (LAN) in many organizations It implements currently popular JAVA language to organize programming structure and...
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OPTIMAL placement of FACTS devices by genetic algorithm for the increased load ability of a power system
... FACTS devices both the active and reactive power flow pattern can be changed and significant system performance is noticed The optimal allocation of FACTS Devices can be formulated as: CTOTAL=C1(E)+C2(F) ... it is found that UPFC is the most powerful and versatile FACTS device due the fact that line impedance, voltage magnitude and phase angle can be changed by the same device IV THE PROPOSED APPROACH ... element controls magnitude and phase angle of a bus, three UPFC element controls six values, three for bus voltage magnitude & three for phase angle Three TCSC modifies reactance of three lines Similarly...
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A genetic algorithm for power aware virtual machine allocation in private cloud
... lease-based model and First-Come-FirstServe (FCFS) and backfilling algorithms to schedule best-effort, immediate and advanced reservation jobs The FCFS and backfilling algorithms consider only performance ... CPU We can extend for other resource types such as memory, disk space, network bandwidth, etc 186 N Quang-Hung et al Algorithm GAPA Algorithm Start: Create an initial population randomly for s ... Deterministic Algorithms and Adaptive Heuristics for Energy and Performance Efficient Dynamic Consolidation of Virtual Machines in Cloud Data Centers In: Concurrency and Computation: Practice and Experience,...
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GIS and ant algorithm for multi objective siting of emergency facilities
... areas, and therefore, has a strong tie to location sciences Not only can GIS be a tool for collecting and storing data for location modelers, it can also be used for data manipulation and analysis, ... by an engine company within the engine company distance standard and a truck company within the truck company distance standard In this model, the coverage is gained by simultaneously siting two ... when using Ant Algorithms The first aspect is the number of ants, which is a very important exogenous parameter of an Ant Algorithm and has a significant effect on the performance of an Ant Algorithm...
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Optimal placement of horizontal - and vertical - axis wind turbines in a wind farm for maximum power generation using a genetic algorithm
... Energy and Environment (IJEE), Volume 3, Issue 6, 2012, pp.927-938 935 (a) Best, mean and median objective valuses for Case I (b) Standard deviations for Case I (c) Best, mean and median objective ... for the optimization with genetic algorithm Figure Schematic of Werle's wake model [5] Wake, power and cost modeling of a VAWT 3.1 Single stream model of a VAWT The book by Manwell, McGowan and ... International Journal of Energy and Environment (IJEE), Volume 3, Issue 6, 2012, pp.927-938 937 (c) Best, mean and median objective values for Case IV (d) Standard deviations for Case IV Figure Convergence...
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A dynamic programming algorithm for RNA structure
... Center for Physics Tim Hubbard suggested parallel b-strands in proteins as an example of a set of pairwise interactions that the algorithm cannot handle We wish to thank the anonymous reviewers for ... single-stranded nucleotide, and P represents the score for an external base-pair In Turner's thermodynamic rules both Q and P are approximated by zero Note also that the recursions for wx and wxI ... meanings QI is the penalty for an unpaired nucleotide in a multiloop, and PI is the penalty for a closing base-pair (e.g per stem) in a multiloop On the other hand, Q represents the score for...
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Báo cáo hóa học: " A novel simultaneous dynamic range compression and local contrast enhancement algorithm for digital video cameras" potx
... based on the concept of local contrast range transform Although this method performs well for enhancement of LDR images, the image enhancement procedure is transformed to operate in logarithmic domain ... (24) and (25), it shows that the linear color remapping in YCbCr color space requires an extra translation determined by a scalar 1- b(x, y) and two fixed constants: 16 for luminance and 128 for ... the enhanced image Remark Color constancy is an important issue in the topic of color image enhancement In the current design, the proposed method cannot handle color constancy problem and fails...
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báo cáo hóa học: " A novel simultaneous dynamic range compression and local contrast enhancement algorithm for digital video cameras" pptx
... based on the concept of local contrast range transform Although this method performs well for enhancement of LDR images, the image enhancement procedure is transformed to operate in logarithmic domain ... (24) and (25), it shows that the linear color remapping in YCbCr color space requires an extra translation determined by a scalar 1- b(x, y) and two fixed constants: 16 for luminance and 128 for ... the enhanced image Remark Color constancy is an important issue in the topic of color image enhancement In the current design, the proposed method cannot handle color constancy problem and fails...
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Báo cáo hóa học: " Research Article Prerouted FPGA Cores for Rapid System Construction in a Dynamic Reconfigurable System" pot
... amount of resource required and then adjusted to fit the port instances The aspect ratio of a core can be changed slightly without affecting performance, after which the performance drops off rapidly ... design, fabrication, and testing Our analysis of XDL for Virtex-II and Virtex-IV shows that the switch and wire patterns on logic tiles, RAM tiles, clock management tiles, and IO tiles are almost ... developed for an FPGA architecture by device experts The policy layer provides a mechanism to share border crossing wires to maintain a good internal wire bandwidth WIN and an appropriate interface bandwidth...
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Báo cáo sinh học: "An ’average information’ restricted maximum likelihood algorithm for estimating reduced rank genetic covariance matrices or covariance functions for animal models with equal design matrices" pot
... effects, random effects and residual errors, respectively, and X and Z are the incidence matrices R and Cov(u,e’) pertaining to (3 and u Let V(u) G, V(e) 0, so that V + ZGZ’ R V(y) For an animal model, ... variance components for univariate animal models using sparse matrix techniques and average information J Dairy Sci 78, 449-456 Kirkpatrick M, Heckman N (1989) A quantitative genetic model for ... each for milk, fat and protein yield in dairy cows) to the equivalent of five univariate analyses by reducing the rank of the genetic covariance matrix and exploiting a transformation to canonical...
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Báo cáo y học: " Introduction of an agent-based multi-scale modular architecture for dynamic knowledge representation of acute inflammation" ppt
... described for ABM [5,6,20] and consist of comparing the behavior of the model with in vitro reference model data Reference model for the EBABM and validation experiments The reference model for the ... via agent-based modeling Mathematical modeling and computer simulation offer a translational method for achieving this goal More specifically, computer modeling can be seen as a means of dynamic ... advances of resuscitative, surgical, antimicrobial and organ-supportive care allowed the maintenance of patients in situations where they previously would have died Therefore, sepsis and MOF can...
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Báo cáo sinh học: " A fast algorithm for BayesB type of prediction of genome-wide estimates of genetic value" pps
... with mean and variance 2 Calculating the mean of a truncated normal distribution belongs to the standard tools used in animal breeding (involving the standardisation of the distribution and calculating ... threshold before the markers pick up its effect, these QTL will have a much more constant variance than randomly picked QTL The algorithm is equally capable of handling the coding of bi as 0, 1, and ... [7]) For brevity, we define here the function U(x; , 2), which represents the mean of an upper truncated normal distribution with mean and variance 2 truncated at x After accounting for...
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Báo cáo sinh học: " A method for the dynamic management of genetic variability in dairy cattle" pot
... genetic gains, a direct impact on performances due to inbreeding depression, especially for functional traits, and an increased expression of genetic defects Quantitative geneticists have long been ... information vs the weight of individual information [11, 20, 34, 41] or by including penalties for individual’s inbreeding coefficient [20, 37] or for the average coancestry between individual and ... constituted of cohorts of females available for artificial insemination (AI) and of females still too young for breeding Then, the best solution for matings can be formally established However, it would...
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Optimal computing budget allocation for multi objective simulation optimization
... Number of performance measures for simulated systems Many ranking and selection problems have focused on problems with a single performance measure When the performance measure serves as an objective ... IZ: Andrad´ ttir et al o (2005); Andrad´ ttir o and Kim (2010); Batur and Kim (2010); ´ Kabirian and Olafsson (2009); Kim and Nelson (2003); Osogami (2009) OCBA: Almomani and Rahman (2012); Blanchet ... better than, as good as those with higher ranks in terms of dominance Thus the Pareto rank can be used as the relative performance measure for systems in a given set and systems with lower ranks...
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