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Topic Area: Modeling
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Displaying records 61 to 70 of 136 records.
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61. COMPARISON OF TWO DIMENSION-REDUCTION METHODS FOR NETWORK SIMULATION MODELS
Series: Journal of Research (NIST JRES)
Report Number: 116-5
Topic: Modeling
Published: 10/5/2011
Authors: Kevin L Mills, James J Filliben
Abstract: Experimenters characterize the behavior of simulation models for data communications networks by measuring multiple responses under selected parameter combinations. The resulting multivariate data may include redundant responses reflecting aspects of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906588

62. A Mathematical Model of Joint Congestion Control and Routing in Multisource Networks
Topic: Modeling
Published: 9/28/2011
Authors: Fern Y Hunt, Vladimir V Marbukh, Yi Wang
Abstract: In this paper we study a model of joint congestion control and routing in a ring of network sources with a single destination at the center. A utility maximization problem subject to routing constraints is posed and equations for its solution are pre ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907904

63. A Decision-Guided Energy Management Framework for Sustainable Manufacturing
Topic: Modeling
Published: 8/31/2011
Authors: Guodong Shao, Alexander Brodsky, Jorge Arinez , Daniel A Menasce , Paul Ammann
Abstract: A growing number of manufacturing industries are initiating efforts to address sustainability issues. According to the National Association of Manufacturers, the manufacturing sector currently accounts for about one third of all energy consumed in th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908519

64. PREDICTING MACROSCOPIC DYNAMICS IN LARGE DISTRIBUTED SYSTEMS
Topic: Modeling
Published: 7/18/2011
Authors: Kevin L Mills, James J Filliben
Abstract: In this paper, we outline an approach that can be used to predict macroscopic dynamics when new components are deployed in a large distributed system. Our approach combines two main methods: scale reduction and multidimensional data analysis techniqu ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908101

65. An Efficient Sensitivity Analysis Method for Large Cloud Simulations
Topic: Modeling
Published: 7/4/2011
Author: Kevin L Mills
Abstract: We describe Koala, an infrastructure Cloud simulator inspired by the Amazon Elastic Compute Cloud (EC2). We conduct a sensitivity analysis of Koala, revealing eight behavioral dimensions, which are influenced significantly by six parameters. Our find ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907790

66. Thin Film Dynamics on a Prolate Ellipsoid with Application to the Cornea
Topic: Modeling
Published: 6/9/2011
Authors: Richard J Braun, R. Usha, Geoffrey B McFadden, T. A. Driscoll, L. P. Cook, P. E. King-Smith
Abstract: We study the flow of a thin fluid film on a prolate ellipsoid that is a good approximation to the shape of the human cornea. Two lubrication models for the dynamics of the film are studied in prolate spheroidal coordinates which are appropriate for ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903442

67. On Parameter Differentiation for Integral Representations of Associated Legendre Functions
Topic: Modeling
Published: 5/24/2011
Author: Howard S Cohl
Abstract: For integral representations of associated Legendre functions in terms of modified Bessel functions, we establish justification for differentiation under the integral sign with respect to parameters. With this justification, derivatives for associate ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907710

68. Assessing microscale heterogeneity in batches of reference materials using microbeam XRF
Topic: Modeling
Published: 5/17/2011
Authors: John L Molloy, John R Sieber
Abstract: Principal component analysis (PCA), microbeam X-ray Fluorescence Spectrometry (µXRF), and Monte Carlo simulations are used to illustrate a methodology for assessing the sample microheterogeneity for large sets of materials. PCA is demonstrated to de ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906130

69. Modeling queuing dynamics of TCP: a simple model and its empirical validation.
Topic: Modeling
Published: 5/6/2011
Authors: Daniel Ilya Genin, Anastase Nakassis
Abstract: Understanding queuing dynamics of TCP is important for correct router buffer sizing as well as for optimizing the performance of the TCP protocol itself. However, modeling of buffer content dynamics under TCP has received relatively little attent ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907891

70. Salient Local 3D Features for 3D Shape Retrieval
Topic: Modeling
Published: 4/7/2011
Authors: Afzal A Godil, Asim Wagan
Abstract: In this paper we describe a new formulation for the 3D salient local features based on the voxel grid inspired by the Scale Invariant Feature Transform (SIFT). We use it to identify the salient keypoints (invariant points) on a 3D voxelized model and ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907645



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