Miracle-dz/UniFAR-FTUs huggingface dataset:
“KMS-Fit”: a case-based exploration of task/technology fit in an applied knowledge management context

The notion of Task/Technology Fit (TTF) posits that as the degree of overlap increases between the task domain, and the ways in which the capabilities of an information system (IS) are suited to activities within that domain, performance gains experienced via use of the IS should also increase. This research proposes an expanded TTF model that is applicable to the context of Knowledge Management (KM) and Knowledge Management Systems (KMS). In particular, additional individual, technological, and social factors and interrelationships between these factors could provide greater explanatory power of IS user behaviors, perceptions, and outcomes within the realm of knowledge work. A mixed-method field study approach was employed at a large government organization, currently in the process of developing and fielding a new KMS to support knowledge-intensive work, to investigate the underlying factors and relationships described within an expanded “KMS Fit” model. Results suggest that the foundational mechanisms described by the TTF model may in fact change within KM contexts. In particular, the inherently social characteristics of knowledge-based work were found to play a very important role in determining the degree of fit relative to a KMS. Moreover, the social ecology within the organization was found to have significant impact on KMS Fit. Results of this research further reinforce the notion that KMS may be a unique subset of IS and that traditional IS models (such as TTF) should be updated or tailored to reflect the social nature of knowledge-based work and knowledge management. https://doi.org/10.34105/j.kmel. 2009.01. 010
PERSON-CATEGORY TRIP-GENERATION MODEL

A person-category model of trip generation is presented as an alternative to household-based trip-generation models. In this model a homogeneous group of persons is used as an analysis unit. The final description of the person categories is not arbitrary but results from the multistage, multivariate analysis of many potentially significant variables. The variables age, employment status, and automobile availability were found to be the most significant descriptors of a person's mobility. The final version of the model is based on eight person categories. Both theoretical discussion and empirical findings favor the proposed version of the person-category model over household-based models because it is more practical at the forecast stage, requires significantly less data, has better behavioral background, and is more compatible with the entire system of individually oriented travel-demand models. (Author)
Transitions in Mass Customization Strategies - Requirements for Information Systems

Many generic Mass Customization strategies have been described in literature. For example, according to Gilmore and Pine (1997) we can either customize product itself, or representation of product. These two dimensions create fourfold table, where different generic strategies are Adaptive, Cosmetic, Transparent, and Collaborative Mass Customization, which all have their own distinct features. Company adopting some generic strategy may not be satisfied with it forever. When experiences from one strategy are accumulating, company may want to develop its strategies and try some more sophisticated approach to customer service. Need for transitions between different mass customization strategies puts the pressure on technical, organizational, and managerial competencies.
Écrits

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Next-Generation MDAC Discrimination Procedure Using Multi-Dimensional Spectral Analyses

Abstract : Theoretical understanding of regional P/S discriminants and their frequency dependence has been an important, long-standing research topic. Following Xie and Patton (1999), Fisk et al. (2005) and Fisk (2006) used modified Brune (1970) and Mueller and Murphy (1971) [MM71] models to explain the frequency dependence of Pn/Lg and Pn/Sn discrimination performance for earthquakes and underground nuclear explosions (UNEs) near the Lop Nor, Semipalatinsk, and Novaya Zemlya test sites as mainly due to differences in explosion P and S corner frequencies. Fisk (2007) used source model fits to estimate Pn, Pg, and Lg corner frequencies for Nevada Test Site (NTS) explosions and found that Lg corner frequencies exhibit similar scaling with source size as for Pn and Pg, but shifted lower, analogous to observations by Fisk (2006) for other test sites. A key result is that increasing separation of regional P/S at higher frequencies between earthquakes and explosions at all of these test sites has a consistent model-based explanation mainly in terms of the difference between explosion P and S corner frequencies. Discrimination begins to improve at the explosion S-wave corner frequency and saturates at the explosion P-wave corner frequency, in agreement with empirical experience obtained over decades. We describe how grids of P/S spectral ratios for all combinations of frequencies for P and S wave spectra, which exhibit far greater differences in relative spectral amplitudes and shapes between explosions and earthquakes than considered before, and source models can be used to significantly enhance discrimination performance and confirm the physical basis of the results.
Fault classification and accommodation in shipboard power systems

This paper presents and discusses fault classification and fault accommodating controls for a notional Medium Voltage AC (MVAC) integrated shipboard power system (IPS). The goals of the proposed methodology are to differentiate amongst operating conditions, predict, detect, and locate faults, and to design a flexible distributed fault accommodating control scheme that is able to maintain system stability during control operations. Simulation studies of the proposed architecture, including simulated line-to-line faults, and details of fault classification algorithms employed are presented.
Roots Facing Water Deficit: Abscisic Acid Plays a Key Role in Mediating Stress Avoidance in Poplar

Plants exposed to water deficit often respond with a strong inhibition of shoot growth, while root growth is less inhibited or even promoted. In this study, abscisic acid (ABA) insensitive transgenic poplar (Populus x canescens) was used to test with sorbitol treatment whether ABA is involved in the control of differential root and shoot growth responses to water deficit. Results indicate that ABA influences radial root growth and plays an important role in stress avoidance under water defict.
Modeling, state of charge estimation, and charging of lithium‐ion battery in electric vehicle: A review

Extension of driving range and battery run time optimization are necessary key points in the modeling of Electric Vehicle (EV). In this view, Battery Management System (BMS) plays a major role to ensure a safe and trustworthy battery operation, especially when using Lithium‐ion (Li‐ion) batteries in an electric vehicle. Key function of BMS is State of Charge (SoC) estimation. A well‐parameterized battery model is required for accurate state estimation. Consequently, the major factors to be considered in battery modeling are the SoC estimation and charging methodology of an effective BMS development. By focusing on these features, in this paper, the well‐known battery models such as the electrochemical model, equivalent circuit model, and data‐driven model are comprehensively reviewed along with their strengths and weaknesses. Further, the SoC estimation of a battery is also discussed by using standard methodologies such as direct estimation methods and model‐based estimation methods. The comparisons of the three most distinct battery models and the classification of SoC estimation techniques to develop a proper BMS for EV with the focus on accuracy, configuration effort, computational complexity, ease of implementation, and real‐time applications are systematically reviewed. In addition to this, convenient battery charging approaches with the consideration of some constraints such as charging time, charging efficiency, state of charge, state of health, charging voltage threshold, capacity fade, power fade, aging effect, capacity utilization, impedance rise, and temperature rise of the battery in EV are presented. Finally, the perspectives of the existing work and the recommended future research work of BMS are summarized.
Civilian American and European Surface Anthropometry Resource (CAESAR), Final Report. Volume 1. Summary

Abstract : The Civilian Americana and European Surface Anthropometry Resource (CAESAR) project was a survey of the civilian populations of three countries representing the North Atlantic Treaty Organization (NATO) countries: The United States of America (USA), The Netherlands, and Italy (Robinette et al. 1999, Robinette 2000). One site in Ottawa, Canada was added to the USA sample and it is henceforth referred to as the North American sample. The survey was carried out by the U.S. Air Force, with the of 1) the contractor, Sytronics Inc., 2) The Netherlands Organization for Applied Scientific Research (TNO), 3) the subcontractor D'Appolonia in Italy, and 4) a consortium of companies under the umbrella of the Society of automotive Engineers (SAB).
Modelling phase-locking in electrically-coupled networks of inhibitory cortical interneurons

In a railway sleeper assembly, a pair of rail insulators (3) designed for use with a steel railway sleeper (1) which includes at the opposite sides of each intended rail location thereon a pair of openings (6) for receiving the respective stems (8) of a pair of shoulders (4), are each operatively disposed, when in use, between a foot of the rail (2) and the respective proximate shoulder (4). Each insulator (3) includes a member (11) which, when the insulator is in use, operatively extends below a top surface of the sleeper (1) and into the associated opening (6) so as to lie between the walls of that opening (6) and the stem (8) of the associated shoulder (4), thereby to retain the shoulder (4) in its operative position relative to the sleeper. The insulators (3), the shoulders (4) and a pair of rail clips (5) are preloaded onto, and are preassembled with, the sleeper (1) at a location remote from the track site, such that the entire assembly, with the rail clips (5) mounted in a preload position on the shoulders (4), can then be transported as a unit to the track site while the various components are retained on the sleeper (1) in their operative positions and are secure against falling off the sleeper (1) during transit of the assembly to the track site.
Analysis and Ray Tracing Modelling of Co- and Cross-Polarization Radio Propagation in Urban Environment

The co- and cross-polarization behaviour of the urban propagation channel has been studied through both MIMO measurements and ray tracing (RT) simulation. A ray tracing model including diffuse scattering has been adopted, allowing the role of diffuse scattering to be highlighted through comparison between measurement and simulation. The high degree of cross-polarization power transfer observed in both measurement and simulation seems to be partly due to multipath propagation (and to diffuse scattering in particular), and partly due to the polarization behaviour of the antennas. (4 pages)
Validation of Measures Designed to Maximize 21st-Century Army NCO Performance

Abstract : The NCO21 research program was undertaken to help the U.S. Army plan for the impact of future demands on the noncommissioned officer (NCO) corps. The performance requirements and associated knowledges, skills, and aptitudes (KSAs) expected of future successful NCOs were used as a basis for developing tools that could be incorporated into an NCO performance management system geared to 21st-century job demands. This report documents the concurrent criterion-related validation of the predictor measures. The predictor measures include the Armed Services Vocational Aptitude Battery (ASVAB), Assessment of Individual Motivation (AIM), and Biographical Information Questionnaire (BIQ), which are already used in the Army for other purposes. A written Situational Judgment Test (SJT), the Experience and Activities Record (ExAct), Personnel File Form (PFF21), and a semi-structured interview were developed for this project. Two types of rating scale instruments were developed for gathering criterion data. The Observed Performance Rating Scales ask supervisors to rate how well Soldiers perform in their current jobs and the Expected Future Performance Rating Scales have them predict how their Soldiers would perform in future conditions. All of the predictors yielded one or more scores that were significantly correlated with the performance ratings. The SJT, interview, and some scores from the AIM and BIQ showed the most incremental validity over the current system. In this concurrent validation, the predictors were more highly correlated with performance at the ES level compared to the E6 level.
Get set, go! Preparing for success in first year engineering

The Get Set quiz is a two-part battery of online tests developed to enable students to self-assess their readiness to enter first year engineering programs in five Australian universities: The University of Southern Queensland, the University of Queensland, the University of Technology, Sydney, the University of Newcastle, and the University of New England. The first part consists of maths, physics, chemistry, and spatial ability multi-choice items. Part 2 evaluates non-cognitive traits such as personality, approaches to learning, and interest in and motivation for studying engineering. Students gain most value from the quiz when they complete it prior to commencing their first semester of study.
Analysis of high-speed video data for assessment of the risk of cavitation erosion

The aim of the paper is to present a further development of the analysis procedure for erosive cavitation developed in the EROCAV observation handbook. The aim of the analysis is to support assessment of the risk of erosion on full scale ship propellers and rudders, based on model testing, and to support optimal design with respect to cavitation erosion as well. A physical transparency of analysis and design is wanted and the paper starts with a review of the physics of cavitation erosion that is the basis for understanding possibilities and limitations of this type of analysis. With the solution of the Rayleigh equation for a collapsing cavity as a basis, principles for plotting of cavity collapses recorded by high-speed video are discussed. The so motivated plotting principle is applied on numerical and experimental data and guidelines for plotting and analysis of cavity collapses are formulated. From selected generic cavitation developments on foils and a propeller it has been possible to formulate general, but still applicable, design principles. Application studies remain to be done. Although the present focus is on experimental data the suggested fully developed analysis and design procedure is supposed to be linked to advanced numerical simulation.
YouTube: Online Video and Participatory Culture

YouTube is one of the most well-known and widely discussed sites of participatory media in the contemporary online environment, and it is the first genuinely mass-popular platform for user-created video. In this timely and comprehensive introduction to how YouTube is being used and why it matters, Burgess and Green discuss the ways that it relates to wider transformations in culture, society and the economy. ----- The book critically examines the public debates surrounding the site, demonstrating how it is central to struggles for authority and control in the new media environment. Drawing on a range of theoretical sources and empirical research, the authors discuss how YouTube is being used by the media industries, by audiences and amateur producers, and by particular communities of interest, and the ways in which these uses challenge existing ideas about cultural ‘production’ and ‘consumption’. ----- Rich with concrete examples and featuring specially commissioned chapters by Henry Jenkins and John Hartley, the book is essential reading for anyone interested in the contemporary and future implications of online media. It will be particularly valuable for students and scholars in media, communication and cultural studies.
Asymmetrical Capacitors for Propulsion

Asymmetrical Capacitor Thrusters have been proposed as a source of propulsion. For over eighty years, it has been known that a thrust results when a high voltage is placed across an asymmetrical capacitor, when that voltage causes a leakage current to flow. However, there is surprisingly little experimental or theoretical data explaining this effect. This paper reports on the results of tests of several Asymmetrical Capacitor Thrusters (ACTs). The thrust they produce has been measured for various voltages, polarities, and ground configurations and their radiation in the VHF range has been recorded. These tests were performed at atmospheric pressure and at various reduced pressures. A simple model for the thrust was developed. The model assumed the thrust was due to electrostatic forces on the leakage current flowing across the capacitor. It was further assumed that this current involves charged ions which undergo multiple collisions with air. These collisions transfer momentum. All of the measured data was consistent with this model. Many configurations were tested, and the results suggest general design principles for ACTs to be used for a variety of purposes.
Finding Inverse of a Fuzzy Matrix using Eigen value Method

The present paper extends a concept of the inverse of a matrix that its elements are fuzzy numbers, which may be implemented to model imprecise and uncertain features of the problems in the real world. The problem of inverse calculation of a fuzzy matrix is converted to solving a fuzzy polynomial equations (FPEs) system. In this approach, the fuzzy system is transformed to an equivalent system of crisp polynomial equations. The solutions of the crisp polynomial equations system is computed using eigenvalue method. Also, using Gröbner basis properties a criteria for invertibility of the fuzzy matrix is introduced. Furthermore, a novel algorithm is proposed to find a fuzzy inverse matrix. Achieving all entries of a fuzzy inverse matrix at a time is a big advantage comparing the existence methods. In the end, some illustrative examples are presented to demonstrate the algorithm and concepts.
Intelligent wardrobe: using mobile devices, recommender systems and social networks to advise on clothing choice

This project considers ways in which combinations of technologies can be brought together to help users decide ‘what to wear’. This sees the choice of clothes, either in a shop or at home as a form of everyday decision-making which could be supported by a variety of decision-support systems. It might be expected that choosing clothes does not require support or guidance. However, the popularity of television programs that provide advice on what (not) to wear suggests that there is an interest in such guidance. Besides, the fact that some people like to buy clothes with friends in order to use their advice suggests that the process of buying cloths can be more complicated than simply walking into a shop and buying the first thing that comes to hand. Alternatively, the decision-making process might not be complex, so much as ambiguous, and this ambiguity might require some social support to assist the person. Furthermore, people might possess a large number of clothes that they keep in their wardrobe. Some of these clothes might be out of style, some might no longer fit the person and the purchase of new clothes could also be regarded as a process of ‘updating’ the wardrobe.
Governance, risk and compliance (GRC): Conceptual muddle and technological tangle

The concepts of governance, risk and compliance are not new. However, the label ‘GRC’ has more recently gained traction in research and practice. Given the growing interest in GRC it is timely and important to reflect upon developments, as the literature is now peppered with a wide array of views to the extent that the term risks being misunderstood in theory and practice. This paper summarises and critiques the GRC literature for the purpose of revealing: the diversity of ambitions, assumptions and ambiguities that require questioning in conflations of governance, risk and compliance; and gaps in present research agendas. Grounding our argument on the critique of the literature we open up discussion of alternative perspectives and identify their possible contribution to the study of GRC. Moreover we argue that Latour’s (2005) concept of ‘panorama’ has the potential to fruitfully broaden the notion of GRC.
Virtual Worlds: New Directions for HRD Research and Practice.

Virtual environments, once used strictly for gaming and military training, have developed into spaces for community building and collaboration rather than competition. This literature review explores virtual worlds and underlying theories of interest to Human Resource Development. Findings suggest application opportunities for HRD in five areas, HRD education, training, community building, career development, and research. Usage implications and potential applications are suggested for HRD practitioners and scholars who wish to explore these phenomena.
Algebraic Model for Predicting the Hydraulic Behaviour of an Open Self-Ventilated Electrical Machine

This paper describes an algebraic model for predicting the air flow-rate in the cooling system of an open self-ventilated machine. The method is easily applicable to any type of air-cooled electrical machine. The air flow-rates in different areas of the machine as well as the head losses of the hydraulic system were obtained, and the results were compared with a more detailed model developed with Computational Fluid Dynamic (CFD) techniques. Moreover, a sensitivity analysis was carried out in order to compare the different topologies of the machine studied.
The Clinical Value of Auditory Steady State Responses: In the Audiological Assessment of Pseudohypacusic Workers with Noise-induced Hearing Loss in the South African Mining Industry

Large numbers of South African mine workers incur noise-induced hearing loss. The prevalence of noise-induced hearing loss is such that its financial implications for the industry are significant. This situation is often further compounded by an exaggeration of their hearing loss by some workers in an attempt to obtain compensation. Questionable cases must be re-assessed, increasing the cost of evaluations and the number of unproductive shifts. The inability to obtain true pure-tone thresholds in unco-operative workers leads to ineffectiveness in and frustration for audiologists and occupational health centres because they are not delivering an accountable service to the mining company and individual workers. The failure to obtain pure-tone thresholds may also lead to deserving workers not receiving compensation, and sudden hearing loss not being diagnosed. Workers unfit for their present occupations can also be further exposed to noise. Current audiological procedures can identify instances of exaggerated hearing loss (pseudohypacusis), but do not quantify the extent of exaggeration.