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train_1652 | Convergence of a finite volume scheme for nonlinear degenerate parabolic | equations One approximates the entropy weak solution u of a nonlinear parabolic degenerate equation u/sub t/+div(qf(u))- Delta phi (u)=0 by a piecewise constant function u/sub D/ using a discretization D in space and time and a finite volume scheme. The convergence of u/sub D/ to u is shown as the size of the space and... | finite volume scheme;numerical results;model equation;piecewise constant function;nonlinear degenerate parabolic equations;entropy weak solution;strong convergence | |
train_1653 | The best circulant preconditioners for Hermitian Toeplitz systems.II. The | multiple-zero case For pt.I. see SIAM J. Numer. Anal., vol. 38, p. 876-896. Circulant-type preconditioners have been proposed previously for ill-conditioned Hermitian Toeplitz systems that are generated by nonnegative continuous functions with a zero of even order. The proposed circulant preconditioners can be construc... | generating functions;conjugate gradient method;nonnegative continuous functions;hermitian toeplitz systems;multiple-zero case;circulant preconditioners;preconditioned matrices;eigenvalues | |
train_1654 | Numerical validation of solutions of complementarity problems: the nonlinear | case This paper proposes a validation method for solutions of nonlinear complementarity problems. The validation procedure performs a computational test. If the result of the test is positive, then it is guaranteed that a given multi-dimensional interval either includes a solution or excludes all solutions of the nonli... | nonlinear complementarity problem;optimization;computational test;numerical validation | |
train_1655 | An empirical investigation of the influences of the degree of interactivity on | user-outcomes in a multimedia environment The study reported here investigates the influence of "interactivity" on the learning outcomes of users in a multimedia systems environment. Drawing from past literature base and based on key tenets of three learning theories - behaviorist, cognitivist, and constructivist - the... | measurement scheme;multiple analysis of variance;training system;interactivity;multimedia systems environment;cognitivist learning theories;manova;behaviorist learning theories;corporations;user outcomes;user attitude;constructivist learning theories;learning outcomes;kolb learning style inventory scale;education | |
train_1656 | Impact of user satisfaction and trust on virtual team members | Pressured by the growing need for fast response times, mass customization, and globalization, many organizations are turning to flexible organizational forms, such as virtual teams. Virtual teams consist of cooperative relationships supported by information technology to overcome limitations of time and/or location. Vi... | information technology;job satisfaction;it;virtual team members;user satisfaction;trust | |
train_1657 | Breaking the myths of rewards: an exploratory study of attitudes about | knowledge sharing Many CEO and managers understand the importance of knowledge sharing among their employees and are eager to introduce the knowledge management paradigm in their organizations. However little is known about the determinants of the individual's knowledge sharing behavior. The purpose of this study is to... | self-efficacy;social exchange theory;strategic management;rewards;public organizations;theory of reasoned action;knowledge management;knowledge sharing | |
train_1658 | Chaos theory as a framework for studying information systems | This paper introduces chaos theory as a means of studying information systems. It argues that chaos theory, combined with new techniques for discovering patterns in complex quantitative and qualitative evidence, offers a potentially more substantive approach to understand the nature of information systems in a variety ... | qualitative evidence;complex quantitative evidence;pattern discovery;chaos theory;information systems | |
train_1659 | Mobile commerce: transforming the vision into reality | This editorial preface investigates current developments in mobile commerce (M-commerce) and proposes an integrated architecture that supports business and consumer needs in an optimal way to successfully implement M-commerce business processes. The key line of thought is based on the heuristic observation that custome... | consumer needs;business needs;integrated architecture;collaborative platform;mobile telephones;pull approach;event management engine;mobile commerce;m-commerce | |
train_166 | The semantic Web: differentiating between taxonomies and ontologies | There is a new vision of the WWW - the semantic Web - that will dramatically improve Web-based services and products. It creates a setting where software agents perform everyday jobs for end-users. Deploying hierarchies, metadata, and structured vocabularies, the semantic Web expands basic Internet functions | internet;metadata;structured vocabularies;hierarchies;software agents;semantic web;www | |
train_1660 | A regularized conjugate gradient method for symmetric positive definite system | of linear equations A class of regularized conjugate gradient methods is presented for solving the large sparse system of linear equations of which the coefficient matrix is an ill-conditioned symmetric positive definite matrix. The convergence properties of these methods are discussed in depth, and the best possible c... | ill-conditioned linear system;convergence properties;symmetric positive definite system;linear equations;regularized conjugate gradient method;classical conjugate direction methods;coefficient matrix;large sparse system;classical relaxation methods | |
train_1661 | The road to perpetual progress [retail inventory management] | With annual revenues increasing 17.0% to 20.0% consistently over the last three years and more than 2,500 new stores opened from 1998 through 2001, Dollar General is on the fast track. However, the road to riches could have easily become the road to ruin had the retailer not exerted control over its inventory managemen... | dollar general;retailer;inventory management | |
train_1663 | VSAT technology aids growth | Choosing to migrate to IP-based applications also means deciding whether terrestrial technologies such as frame relay, DSL or "plain old telephone service" (POTS) can provide the scalability, flexibility and high bandwidth required to support those applications, and whether these technologies can do so affordably. Each... | vsat;ip-based applications;retailers | |
train_1664 | Disappointment reigns [retail IT] | CPFR remains at the forefront of CIOs' minds, but a number of barriers, such as secretive corporate cultures and spotty data integrity, stand between retail organizations and true supply-chain collaboration. CIOs remain vexed at these obstacles, as was evidenced at a roundtable discussion by retail and consumer-goods I... | moonwatch media;cios;collaborative planning forecasting and replenishment;retail;retail systems 2002 conference | |
train_1665 | How airlines and airports recover from schedule perturbations: a survey | The explosive growth in air traffic as well as the widespread adoption of Operations Research techniques in airline scheduling has given rise to tight flight schedules at major airports. An undesirable consequence of this is that a minor incident such as a delay in the arrival of a small number of flights can result in... | recovery;flight schedule adjustments;airports;ground holding;aircraft adjustments;disturbance handling;singular perturbation theory;schedule perturbation;crew adjustments;runways;operations research techniques;schedule disruptions;mathematical programming techniques;airline scheduling;air traffic management;civil aviat... | |
train_1666 | Airline base schedule optimisation by flight network annealing | A system for rigorous airline base schedule optimisation is described. The architecture of the system reflects the underlying problem structure. The architecture is hierarchical consisting of a master problem for logical aircraft schedule optimisation and a sub-problem for schedule evaluation. The sub-problem is made u... | simulated annealing;passenger traffic allocation;cost determination;operators;hierarchical architecture;passenger choice modelling;airline base schedule optimisation;flight network annealing;master problem;system architecture;time complexity;schedule evaluation;logical aircraft schedule optimisation;connection generati... | |
train_1667 | Combining constraint programming and linear programming on an example of bus | driver scheduling Provides details of a successful application where the column generation algorithm was used to combine constraint programming and linear programming. In the past, constraint programming and linear programming were considered to be two competing technologies that solved similar types of problems. Both ... | linear programming;ilog;constraint programming;ilog-cplex;column generation algorithm;ilog-solver;c/c++ libraries;bus driver scheduling | |
train_1668 | Elastic constraint branching, the Wedelin/Carmen Lagrangian heuristic and | integer programming for personnel scheduling The Wedelin algorithm is a Lagrangian based heuristic that is being successfully used by Carmen Systems to solve large crew pairing problems within the airline industry. We extend the Wedelin approach by developing an implementation for personnel scheduling problems (also te... | lagrangian based heuristic;column generation friendly approach;integer programming;personnel scheduling;airline industry;large crew pairing problems;staff rostering problems;elastic constraint branching;wedelin algorithm;carmen systems | |
train_1669 | Supply chain optimisation in the paper industry | We describe the formulation and development of a supply-chain optimisation model for Fletcher Challenge Paper Australasia (FCPA). This model, known as the paper industry value optimisation tool (PIVOT), is a large mixed integer program that finds an optimal allocation of supplier to mill, product to paper machine, and ... | tactical decision problems;paper industry value optimisation tool;supply chain optimisation;strategic decision problems;economic benefits;pivot;optimal allocation;large mixed integer program;fletcher challenge paper australasia | |
train_167 | Business school research: bridging the gap between producers and consumers | There has been a great deal of continuing discussion concerning the seemingly unbridgeable gap between so much of the research produced by business school professors and the needs of the business people who, ideally, would use it. Here, we examine this gap and suggest a model for bridging it. We sample four groups of p... | within-group differences;recent graduates;producers;exemplary research;coefficient of concordance;multiple comparison testing;business school;anova;academics;business people;professors;between-group differences;deans;students;senior business executives;consumers | |
train_1670 | An integrated optimization model for train crew management | Train crew management involves the development of a duty timetable for each of the drivers (crew) to cover a given train timetable in a rail transport organization. This duty timetable is spread over a certain period, known as the roster planning horizon. Train crew management may arise either from the planning stage, ... | cyclic rosters;integer programming;crew scheduling;rail transport organization;noncyclic rosters;train crew management;duty timetable;integrated optimization model;crew rostering;roster planning horizon | |
train_1671 | Cane railway scheduling via constraint logic programming: labelling order and | constraints in a real-life application In Australia, cane transport is the largest unit cost in the manufacturing of raw sugar, making up around 35% of the total manufacturing costs. Producing efficient schedules for the cane railways can result in significant cost savings. The paper presents a study using constraint l... | total manufacturing costs;heuristic labelling order;cane transport;cost savings;cane railway scheduling;constraints strategies;constraint logic programming;raw sugar | |
train_1672 | Two issues in setting call centre staffing levels | Motivated by a problem facing the Police Communication Centre in Auckland, New Zealand, we consider the setting of staffing levels in a call centre with priority customers. The choice of staffing level over any particular time period (e.g., Monday from 8 am-9 am) relies on accurate arrival rate information. The usual m... | nonstationarity;arrival rate information;new zealand;conditional poisson process;priority customers;forecast error;performance estimates;call centre staffing levels;police communication centre;auckland | |
train_1673 | Mission planning for regional surveillance | The regional surveillance problem discussed involves formulating a flight route for an aircraft to scan a given geographical region. Aerial surveillance is conducted using a synthetic aperture radar device mounted on the aircraft to compose a complete, high-resolution image of the region. Two models for determining an ... | synthetic aperture radar device;flight route;integer programming;high-resolution image;total distance travelled;mission planning;genetic algorithms;geographical region scanning;regional surveillance;aerial surveillance;optimised flight route;solution optimality | |
train_1674 | A column generation approach to delivery planning over time with inhomogeneous | service providers and service interval constraints We consider a problem of delivery planning over multiple time periods. Deliveries must be made to customers having nominated demand in each time period. Demand must be met in each time period by use of some combination of inhomogeneous service providers. Each service p... | inhomogeneous service providers;service interval constraints;transportation;delivery planning over time;delivery capacity;column generation approach;lower bound | |
train_1675 | An operations research approach to the problem of the sugar cane selection | Selection for superior clones is the most important aspect of sugar cane improvement programs, and is a long and expensive process. While studies have investigated different components of selection independently, there has not been a whole system approach to improve the process. This study observes the problem as an in... | clonally propagated crops;sugar cane selection;improvement programs;operations research approach;branch and bound;agriculture;computer based stochastic simulation model;dynamic programming;superior clones;breeding programs | |
train_1676 | An optimization based approach to the train operator scheduling problem at | Singapore MRT Singapore Mass Rapid Transit (SMRT) operates two train lines with 83 kilometers of track and 48 stations. A total of 77 trains are in operation during peak hours and 41 during off-peak hours. We report on an optimization based approach to develop a computerized train-operator scheduling system that has be... | computerized train-operator scheduling system;optimization based approach;crew scheduling system;bipartite matching algorithm;day duties;tabu search algorithm;night duties;singapore mass rapid transit | |
train_1677 | Minimised geometric Buchberger algorithm for integer programming | Recently, various algebraic integer programming (IP) solvers have been proposed based on the theory of Grobner bases. The main difficulty of these solvers is the size of the Grobner bases generated. In algorithms proposed so far, large Grobner bases are generated by either introducing additional variables or by conside... | reduced grobner basis;algebraic integer programming;minimised geometric buchberger algorithm;truncated grobner basis method;truncated geometric buchberger algorithm;performance improvement;grin algorithm;geometric buchberger algorithm;fundamental segments;grobner bases | |
train_1678 | Parallel interior point schemes for solving multistage convex programming | The predictor-corrector interior-point path-following algorithm is promising in solving multistage convex programming problems. Among many other general good features of this algorithm, especially attractive is that the algorithm allows the possibility to parallelise the major computations. The dynamic structure of the... | multistage convex programming;parallel computation;block-tridiagonal system;dynamic structure;parallel interior point schemes;wrap-around permutation;predictor-corrector interior-point path-following algorithm;newton step | |
train_1679 | Project scheduling under time dependent costs-a branch and bound algorithm | In a given project network, execution of each activity in normal duration requires utilization of certain resources. If faster execution of an activity is desired then additional resources at extra cost would be required. Given a project network, the cost structure for each activity and a planning horizon, the project ... | planning horizon;project scheduling;branch and bound algorithm;optimal schedule;project network;heuristics;time dependent costs;project compression problem | |
train_168 | Nurturing clients' trust to encourage engagement success during the | customization of ERP systems Customization is a crucial, lengthy, and costly aspect in the successful implementation of ERP systems, and has, accordingly, become a major specialty of many vendors and consulting companies. The study examines how such companies can increase their clients' perception of engagement success... | integrity;perceived responsiveness;enterprise resource planning systems;customization;vendors;dependability;engagement success;client trust;erp systems;consulting companies;mrp ii implementation;benevolence | |
train_1680 | Minimizing weighted number of early and tardy jobs with a common due window | involving location penalty Studies a single machine scheduling problem to minimize the weighted number of early and tardy jobs with a common due window. There are n non-preemptive and simultaneously available jobs. Each job will incur an early (tardy) penalty if it is early (tardy) with respect to the common due window... | pseudo-polynomial algorithm;np-complete problem;tardy jobs;common due window;single machine scheduling problem;decision variable;dynamic programming;early jobs;location penalty | |
train_1681 | One and two facility network design revisited | The one facility one commodity network design problem (OFOC) with nonnegative flow costs considers the problem of sending d units of flow from a source to a destination where arc capacity is purchased in batches of C units. The two facility problem (TFOC) is similar, but capacity can be purchased either in batches of C... | np-hard problems;flow costs;bipartite matching algorithm;integral simplex method;one facility one commodity network design problem;exact algorithm;nonnegative flow costs;pivots;lower bound;quasi integral;two facility network design | |
train_1682 | Data mining efforts increase business productivity and efficiency | The use and acquisition of information is a key part of the way any business makes money. Data mining technologies provide greater insight into how this information can be better used and more effectively acquired. Steven Kudyba, an expert in the field of data mining technologies, shares his expertise in an interview | productivity;efficiency;data mining | |
train_1683 | Unlocking the potential of videoconferencing | I propose in this paper to show, through a number of case studies, that videoconferencing is user-friendly, cost-effective, time-effective and life-enhancing for people of all ages and abilities and that it requires only a creative and imaginative approach to unlock its potential. I believe that these benefits need not... | videoconferencing;education;case studies;benefits | |
train_1684 | E-learning on the college campus: a help or hindrance to students learning | objectives: a case study If you know how to surf the World Wide Web, have used email before, and can learn how to send an email attachment, then learning how to interact in an online course should not be difficult at all. In a way to find out, I decided to offer two identical courses, one of which would be offered onli... | e-learning;distance education;william paterson university | |
train_1685 | Use of web technologies in construction project management: what are the | critical success/failure factors? A concept of how the World Wide Web (WWW) and its associated technologies can be used to manage construction projects has been recognized by practitioners in the construction industry for quite sometime. This concept is often referred to as a Web-Based Project Management System (WPMS).... | implementation;construction industry;web-based project management system;web browser;success;project control;project documentation | |
train_1686 | Internet infrastructure and the emerging information society: an appraisal of | the Internet backbone industry This paper examines the real constraints to the expansion of all encumbering and all pervasive information technology in our contemporary society. Perhaps the U.S. Internet infrastructure is the most appropriate to examine since it is U.S. technology that has led the world into the Intern... | internet service providers;backbone companies;local telephone companies;users;internet infrastructure | |
train_1687 | Cleared for take-off [Hummingbird Enterprise] | A recent Gartner report identifies Hummingbird in the first wave of vendors as an early example of convergence in the 'smart enterprise suite' market. We spoke to Hummingbird's Marketing Director for Northern Europe | smart enterprise suite;hummingbird enterprise;information content;collaboration;knowledge content | |
train_1688 | Connecting the business without busting the budget | The "multi-channel content delivery" model (MCCD) might be a new concept to you, but it is already beginning to replace traditional methods of business communications, print and content delivery, argues Darren Atkinson, CTO, FormScape | content management;business process management;formscape;documents;distributed output management;multi-channel content delivery;retrieval;archive | |
train_169 | MRP in a job shop environment using a resource constrained project scheduling | model One of the most difficult tasks in a job shop manufacturing environment is to balance schedule and capacity in an ongoing basis. MRP systems are commonly used for scheduling, although their inability to deal with capacity constraints adequately is a severe drawback. In this study, we show that material requiremen... | mrp;project management;job shop environment;inventory carrying costs;scheduling;capacity constraints;material requirements planning;resource constrained project scheduling model;variable lead time lengths;resource allocation | |
train_1692 | Passing the image test [imaging accreditation] | Accredited imaging qualifications, hot on the heels of Microsoft, Cisco and others, are taking off in the USA. Dave Tyler looks at the CDIA+ qualification that looks likely to become the exam of choice for the DM industry | imaging qualifications;cdia+;accreditation | |
train_1693 | Healthy, wealthy and wise? [health sector document management] | NHS spending will rise from Pounds 65.4bn in 2002 to Pounds 87.2bn in 2006, and by 2008, spending will total Pounds 105.6bn. David Tyler looks at how the health sector is already beginning to exploit IT, and particularly document management, to improve service and cut costs | nhs spending;scansoft paperport;it;document management | |
train_1694 | Product development: using a 3D computer model to optimize the stability of the | Rocket TM powered wheelchair A three-dimensional (3D) lumped-parameter model of a powered wheelchair was created to aid the development of the Rocket prototype wheelchair and to help explore the effect of innovative design features on its stability. The model was developed using simulation software, specifically Workin... | innovative design features;weight distribution;dynamic stability improvements;predicted position;rocket tm powered wheelchair;4.8 cm;design alterations effect;suspension system configuration;soft bodies modeling;average absolute error;statically indeterminate system;product development;3d computer model;diagonal headin... | |
train_1695 | Medical image computing at the Institute of Mathematics and Computer Science in | Medicine, University Hospital Hamburg-Eppendorf The author reviews the history of medical image computing at his institute, summarizes the achievements, sketches some of the difficulties encountered, and draws conclusions that might be of interest especially to people new to the field. The origin and history section pr... | historical value;work chronology;medical diagnostic imaging;university hospital hamburg-eppendorf;medical image computing history;institute of mathematics and computer science in medicine;difficulties encountered | |
train_1696 | Comments on "Frequency decomposition and computing of ultrasound medical images | with wavelet packets" In this paper, errors and discrepancies in the subject paper [Cincotti et al. (2002)] are highlighted. A comment, concerning the axial resolution associated to the adopted processing procedure is also reported | frequency decomposition;wavelet packets;axial resolution;medical diagnostic imaging;ultrasound medical images | |
train_1697 | Exact frequency-domain reconstruction for thermoacoustic tomography. II. | Cylindrical geometry For pt. I see ibid., vol. 21, no. 7, p. 823-8 (2002). Microwave-induced thermoacoustic tomography (TAT) in a cylindrical configuration is developed to image biological tissue. Thermoacoustic signals are acquired by scanning a flat ultrasonic transducer. Using a new expansion of a spherical wave in ... | hankel transform;flat ultrasonic transducer;aliasing-proof reconstruction method;thermoacoustic tomography;discrete spatial sampling effect;medical diagnostic imaging;cylindrical geometry;ultrasound imaging;frequency-domain reconstruction;spherical wave expansion | |
train_1698 | Exact frequency-domain reconstruction for thermoacoustic tomography. I. Planar | geometry We report an exact and fast Fourier-domain reconstruction algorithm for thermoacoustic tomography in a planar configuration assuming thermal confinement and constant acoustic speed. The effects of the finite size of the detector and the finite length of the excitation pulse are explicitly included in the recon... | thermal confinement;primary limiting factor;constant acoustic speed;reconstruction algorithm;deconvolution;blurring;planar configuration;resolution limitation;thermoacoustic tomography;medical diagnostic imaging;planar geometry;exact frequency-domain reconstruction;finite detector surface size;excitation pulse | |
train_1699 | Time-domain reconstruction for thermoacoustic tomography in a spherical | geometry Reconstruction-based microwave-induced thermoacoustic tomography in a spherical configuration is presented. Thermoacoustic waves from biological tissue samples excited by microwave pulses are measured by a wide-band unfocused ultrasonic transducer, which is set on a spherical surface enclosing the sample. Suff... | time-domain reconstruction;exact reconstruction solution;spherical geometry;spherical surface enclosing sample;biological tissue samples;thermoacoustic tomography;0.5 mm;modified backprojection algorithm;medical diagnostic imaging;reconstructed images;system spatial resolution;wide-band unfocused ultrasonic transducer | |
train_17 | Fault diagnosis and fault tolerant control of linear stochastic systems with | unknown inputs This paper presents an integrated robust fault detection and isolation (FDI) and fault tolerant control (FTC) scheme for a fault in actuators or sensors of linear stochastic systems subjected to unknown inputs (disturbances). As usual in this kind of works, it is assumed that single fault occurs at a tim... | state estimation;fault detection;fault tolerant control;longitudinal flight control system;linear systems;two-stage kalman filters;robust control;stochastic systems;fault isolation;discrete-time system | |
train_170 | The impact of the product mix on the value of flexibility | Product-mix flexibility is one of the major types of manufacturing flexibility, referring to the ability to produce a broad range of products or variants with presumed low changeover costs. The value of such a capability is important to establish for an industrial firm in order to ensure that the flexibility provided w... | marginal capacity;flexible manufacturing;option-pricing theory;positively correlated demand;multiple products;industrial firm;product demand volatility;manufacturing flexibility;capital budgeting;product correlation;demand variability;low changeover costs;demand correlation;product-mix flexibility;capacity constraints;... | |
train_1700 | Computation of unmeasured third-generation VCT views from measured views | We compute unmeasured cone-beam projections from projections measured by a third-generation helical volumetric computed tomography system by solving a characteristic problem for an ultrahyperbolic differential equation [John (1938)]. By working in the Fourier domain, we convert the second-order PDE into a family of fir... | first-order ordinary differential equations;ultrahyperbolic differential equation;range conditions;third-generation helical volumetric computed tomography system;characteristic problem solution;unmeasured third-generation vct views computation;fourier domain;measured views;medical diagnostic imaging;simple first-order ... | |
train_1701 | Estimation of 3-D left ventricular deformation from medical images using | biomechanical models The quantitative estimation of regional cardiac deformation from three-dimensional (3-D) image sequences has important clinical implications for the assessment of viability in the heart wall. We present here a generic methodology for estimating soft tissue deformation which integrates image-derived... | regional cardiac deformation;biomechanical models;open-chest dogs;quantitative estimation;interactively segmented images;cardiac specific directions;left ventricular motion estimation;nonrigid motion estimation;transversely isotropic linear-elastic model;muscle fiber directions;3-d left ventricular deformation estimati... | |
train_1702 | Reconstruction of time-varying 3-D left-ventricular shape from multiview X-ray | cineangiocardiograms This paper reports on the clinical application of a system for recovering the time-varying three-dimensional (3-D) left-ventricular (LV) shape from multiview X-ray cineangiocardiograms. Considering that X-ray cineangiocardiography is still commonly employed in clinical cardiology and computational ... | b-spline;multiview x-ray cineangiocardiograms;computational costs;clinical cardiology;time-varying 3-d left-ventricular shape reconstruction;fixed multiple views;angiographic image sequences;user-interactive systems;two-dimensional occluding contours;medical diagnostic imaging;user-specified parameters variations;exper... | |
train_1703 | Statistical analysis of nonlinearly reconstructed near-infrared tomographic | images. II. Experimental interpretation For pt. I see ibid., vol. 21, no. 7, p. 755-63 (2002). Image error analysis of a diffuse near-infrared tomography (NIR) system has been carried out on simulated data using a statistical approach described in pt. I of this paper (Pogue et al., 2002). The methodology is used here w... | nonlinearly reconstructed near-infrared tomographic images;random measurement error;target region of interest;accurate homogeneous estimate;image error;bias minimization;phantom properties;hemoglobin;medical diagnostic imaging;objective function minimization;algorithm iterations;algorithm precalibration;levenberg-marqu... | |
train_1704 | Statistical analysis of nonlinearly reconstructed near-infrared tomographic | images. I. Theory and simulations Near-infrared (NIR) diffuse tomography is an emerging method for imaging the interior of tissues to quantify concentrations of hemoglobin and exogenous chromophores noninvasively in vivo. It often exploits an optical diffusion model-based image reconstruction algorithm to estimate spat... | ill-posed inverse image reconstruction problem regularization;test image;light flux;spatial property values estimation;mean-squared error;lowest image error;decreasing regularization parameter;minimum regularization parameter constraint;photon migration;o/sub 2/;randomly distributed noise;optimal solution;medical diagn... | |
train_1705 | The use of visual search for knowledge gathering in image decision support | This paper presents a new method of knowledge gathering for decision support in image understanding based on information extracted from the dynamics of saccadic eye movements. The framework involves the construction of a generic image feature extraction library, from which the feature extractors that are most relevant ... | visual assessment behavior;student accuracy;experienced observers;heart failure indicator;pulmonary vascular distribution;training information;domain experts;medical diagnostic imaging;markov model;saccadic eye movements dynamics;experienced radiologists;image features;near random decision making | |
train_1706 | Quantitative analysis of reconstructed 3-D coronary arterial tree and | intracoronary devices Traditional quantitative coronary angiography is performed on two-dimensional (2-D) projection views. These views are chosen by the angiographer to minimize vessel overlap and foreshortening. With 2-D projection views that are acquired in this nonstandardized fashion, however, there is no way to k... | patient-specific 3-d coronary reconstruction algorithm;routine angiographic images;myocardium;intracoronary devices delivery pathway;cyclical deformation;medical diagnostic imaging;human coronary artery;arterial deformation magnitude;dynamic curvilinear nature quantification | |
train_1707 | Tactical airborne reconnaissance goes dual-band and beyond | Multispectral imaging technologies are satisfying the need for a "persistent" look at the battlefield. We highlight the need to persistently monitor a battlefield to determine exactly who and what is there. For example, infrared imaging can be used to expose the fuel status of an aircraft on the runway. A daytime, visi... | aircraft;daytime visible-spectrum image;sensor fusion;dual-band camera;infrared imaging;fuel status;tactical airborne reconnaissance;multispectral imaging technologies;battlefield;precision image registration | |
train_1708 | A study of hospitality and tourism information technology education and | industrial applications The purpose of this study was to examine the subject relevance of information technology (IT) in hospitality and tourism management programs with skills deployed in the workplace. This study aimed at investigating graduates' transition from education to employment, and to determine how well they... | employment;university;tourism industry;it skills;mail survey;hospitality and tourism management programs;graduates;it teaching;hospitality industry;education | |
train_1709 | Development of computer-mediated teaching resources for tourism distance | education: the University of Otago model This article presents a qualitative account of the development of computer-mediated tourism distance learning resources. A distance learning model was developed at the Centre for Tourism, University of Otago (New Zealand) in 1998-1999. The article reviews the development of this... | internet-based learning resource;computer-mediated tourism distance learning resources;paper links;university of otago;programme links | |
train_171 | Education, training and development policies and practices in medium-sized | companies in the UK: do they really influence firm performance? This paper sets out to examine the relationship between training and firm performance in middle-sized UK companies. It recognises that there is evidence that "high performance work practices" appear to be associated with better performance in large US comp... | training;etd variable clusters;firm performance;high performance work practices;human resources;medium-sized uk companies;education;development policies | |
train_1710 | VONNA(HBP): a multimedia learning package on hotel budget planning | In this paper, a new learning package, VONNA(HBP), which provides an interactive and online environment for novices to study and practice hotel budget planning, is introduced. Its design philosophy will be discussed thoughtfully with special focus on how to make use of the multimedia and Internet. According to literatu... | self-paced learning package;sales;internet;multimedia learning package;hotel education;hotel budget planning;facility maintenance;interactive online environment;vonna(hbp);facility replacement;human resources;constrained resource handling;teaching material delivery;managerial problems;promotion strategies;staff trainin... | |
train_1711 | Developing a CD-ROM as a teaching and learning tool in food and beverage | management: a case study in hospitality education Food and beverage management is the traditional core of hospitality education but, in its laboratory manifestation, has come under increasing pressure in recent years. It is an area that, arguably, presents the greatest challenges in adaptation to contemporary learning ... | food and beverage management;learning tool;cd-rom;teaching tool;hospitality education | |
train_1712 | Eliminating counterevidence with applications to accountable certificate | management This paper presents a method to increase the accountability of certificate management by making it intractable for the certification authority (CA) to create contradictory statements about the validity of a certificate. The core of the method is a new primitive, undeniable attester, that allows someone to co... | long-term authenticity;accountable certificate management;undeniable attester primitive;accountability;attestations;bitstring;counterevidence elimination;collision-resistant hash functions;contradictory proofs;time-stamping;public-key infrastructure;non repudiation;structured elements;verification algorithm;certificati... | |
train_1713 | A uniform framework for regulating service access and information release on | the Web The widespread use of Internet-based services is increasing the amount of information (such as user profiles) that clients are required to disclose. This information demand is necessary for regulating access to services, and functionally convenient (e.g., to support service customization), but it has raised pri... | internet;network services;user profiles;uniform formal framework;privacy-aware techniques;reasoning;information release;information disclosure;client server systems;service access regulation;information demand;access control policy;www | |
train_1714 | Hordes: a multicast based protocol for anonymity | With widespread acceptance of the Internet as a public medium for communication and information retrieval, there has been rising concern that the personal privacy of users can be eroded by cooperating network entities. A technical solution to maintaining privacy is to provide anonymity. We present a protocol for initia... | initiator anonymity;protocol;multicast routing;transmission latencies;onion routing;performance;internet;crowds;unlinkability;personal privacy;hordes;cooperating network entities;forwarding mechanisms | |
train_1715 | Information-processing and computing systems at thermal power stations in China | The development and commissioning of information-processing and computing systems (IPCSs) at four power units, each of 500 MW capacity at the thermal power stations Tszisyan' and Imin' in China, are considered. The functional structure and the characteristics of the functions of the IPCSs are presented as is informatio... | 500 mw;commissioning;thermal power stations;functional structure;firmware system;development;information-processing systems;china;functions characteristics;computing systems | |
train_1716 | The vibration reliability of poppet and contoured actuator valves | The problem of selecting the shape of the actuator valve (the final control valve) itself is discussed; the solution to this problem will permit appreciable dynamic loads to be eliminated from the moving elements of the steam distribution system of steam turbines under all operating conditions | actuator valve shape selection;steam distribution system;steam turbines;vibration reliability;contoured actuator valves;poppet actuator valves;dynamic loads elimination;moving elements | |
train_1717 | Responding to market trends with predictive segmentation [health care] | Technology and technological advances have always been a part of healthcare, but often it's advances in treatment machinery and materials that get the attention. However, technology gains also occur behind the scenes in operations. One of the less glamorous but powerful technological advances available today is predict... | data mining;market trends;predictive segmentation;neural networks;healthcare | |
train_1719 | The UPS as network management tool | Uninterrupted power supplies (UPS), or battery backup systems, once provided a relatively limited, although important, function-continual battery support to connected equipment in the event of a power failure. However, yesterday's "battery in a box" has evolved into a sophisticated network power management tool that ca... | network power management;automatic voltage regulation;uninterrupted power supplies;unattended system shutdown | |
train_172 | A VMEbus interface for multi-detector trigger and control system | MUSE (MUltiplicity SElector) is the trigger and control system of CHIMERA, a 4 pi charged particle detector. Initialization of MUSE can be performed via VMEbus. This paper describes the design of VMEbus interface and functional module in MUSE, and briefly discusses an application of MUSE | chimera;trigger system;muse;control system;vmebus interface | |
train_1721 | Dueling platforms [healthcare network servers] | Many large hospitals and healthcare systems have grown accustomed to the reliability of mainframe architecture, although tighter operating budgets, coupled with advances in client/server technology, have led to more office and clinical applications being moved off mainframes. But Evanston Northwestern Healthcare wasn't... | network servers;evanston northwestern healthcare;leapfrog group;ibm os 390 mainframe;computerized physician order entry system | |
train_1723 | Positive productivity, better billing [health care] | Workflow software provides the right communication solution for hospital specialists, and delivers an unexpected financial boost too | san francisco general hospital;workflow software;health care;provation md | |
train_1724 | A winning combination [wireless health care] | Three years ago, the Institute of Medicine (IOM) reported that medical errors result in at least 44,000 deaths each year-more than deaths from highway accidents, breast cancer or AIDS. That report, and others which placed serious errors as high as 98,000 annually, served as a wake-up call for healthcare providers such ... | cisco systems aironet 350 wireless networks;dell computer c600 laptops;healthcare network;intersystems corporation cache database;wireless;caregroup healthcare system;medical errors;provider order entry | |
train_1725 | Cutting the cord [wireless health care] | More and more healthcare executives are electing to cut the cord to their existing computer systems by implementing mobile technology. The allure of information anywhere, anytime is intoxicating, demonstrated by the cell phones and personal digital assistants (PDAs) that adorn today's professionals. The utility and con... | mobile computing;security;wireless computing;healthcare | |
train_1726 | Two-layer model for the formation of states of the hidden Markov chains | Procedures for the formation of states of the hidden Markov models are described. Formant amplitudes and frequencies are used as state features. The training strategy is presented that allows one to calculate the parameters of conditional probabilities of the generation of a given formant set by a given hidden state wi... | state features;conditional probabilities;hidden state;hidden markov models;formant amplitudes;formant frequencies;maximum likelihood method | |
train_1727 | Linguistic knowledge and new technologies | Modern language studies are characterized by a variety of forms, ways, and methods of their development. In this connection, it is necessary to specify the problem of the development of their internal differentiation and classification, which lead to the formation of specific areas knowledge. An example of such an area... | theoretical linguistics;speechology;applied linguistics;internal differentiation;fundamental linguistics;internal classification;modern language studies;linguistic knowledge | |
train_1728 | A characterization of generalized Pareto distributions by progressive censoring | schemes and goodness-of-fit tests In this paper we generalize a characterization property of generalized Pareto distributions, which is known for ordinary order statistics, to arbitrary schemes of progressive type-II censored order statistics. Various goodness-of-fit tests for generalized Pareto distributions based on ... | progressive type-ii censored order statistics;progressive censoring schemes;generalized pareto distributions;goodness-of-fit tests;ordinary order statistics | |
train_1729 | Maintaining e-commerce | E-commerce over the Web has created a relatively new type of information system. So it is hardly surprising that little attention has been given to the maintenance of such systems-and even less to attempting to develop them with future maintenance in mind. But there are various ways e-commerce systems can be developed ... | web systems;e-commerce systems maintenance | |
train_173 | Stock market trading rule discovery using technical charting heuristics | In this case study in knowledge engineering and data mining, we implement a recognizer for two variations of the 'bull flag' technical charting heuristic and use this recognizer to discover trading rules on the NYSE Composite Index. Out-of-sample results indicate that these rules are effective | out-of-sample results;case study;data mining;technical charting heuristics;financial expert system;rule discovery;nyse composite index;stock market trading;knowledge engineering | |
train_1730 | Meeting of minds | Technical specialists need to think about their role in IT projects and how they communicate with end-users and other participants to ensure they contribute fully as team members. It is especially important to communicate and document trade-offs that may have to be made, including the rationale behind them, so that if ... | communication;technical specialists;end-users;it projects | |
train_1731 | Hit the road, Jack | Going freelance offers the potential of higher earnings, variety and independence - but also removes the benefits of permanent employment and can mean long distance travel and periods out of work. The author looks at the benefits and drawbacks - and how to get started as an IT contractor | it contractor;freelance working | |
train_1732 | Community spirit | IT companies that contribute volunteers, resources or funding to charities and local groups not only make a real difference to their communities but also add value to their businesses. So says a new coalition of IT industry bodies formed to raise awareness of the options for community involvement, promote the business ... | volunteer staff;resource contribution;staff development;it companies;best practice;community projects;business benefits;charity projects | |
train_1733 | Computing grid unlocks research | Under the UK government's spending review in 2000 the Office of Science and Technology was allocated Pounds 98m to establish a three year e-science research and development programme. The programme has a bold vision: to change the dynamic of the way science is undertaken. The term 'e-science' was introduced by John Tay... | computing resources;software;open source prototypes;grid computing;uk programme;middleware;e-science;collaboration;scientific research | |
train_1734 | Going electronic [auditing] | A study group examines the issues auditors face in gathering electronic information as evidence and its impact on the audit | auditing;electronic information;assurance standards;audit evidence | |
train_1735 | Mid-market accounting systems | Welcome to our fourth annual survey of accounting systems and enterprise resource planning (ERP) systems. Last September, we concentrated on financial and distribution systems for medium-sized businesses (mid market) and included 22 products in our charts. This year, we extended the products to include manufacturing an... | mid-market accounting systems;enterprise resource planning;survey;manufacturing | |
train_1736 | Wired right [accounting] | From business intelligence to wireless networking to service providers, here is what you need to know to keep up to speed with a changing landscape | service providers;wireless networking;accounting;business intelligence | |
train_1737 | The road to recovery [disaster planning] | September 11 stripped us of our innocence, forcing corporations to recognize that disaster planning is a business necessity | disaster planning;recovery;risk management | |
train_1738 | Nurture the geek in you [accounting on the Internet] | When chartered accountants focus on IT, it's not simply because we think technology is neat. We keep on top of tech trends and issues because it helps us do our jobs well. We need to know how to best manage and implement the wealth of technology systems within out client base or employer, as well as to determine on an ... | securityfocus;techdirt;chartered accountants;internet;information technology;dan gillmor's wournal;techweb;slashdot;risks;the register;daypop top 40 | |
train_1739 | Application of normal possibility decision rule to silence | The paper presents the way of combining two decision problems concerning a single (or a common) dimension, so that an effective fuzzy decision rule can be obtained. Normality of the possibility distribution is assumed, leading to possibility of fusing the respective functions related to the two decision problems and th... | silence;conflicting objectives;conflicting utilities;normal possibility decision rule;warm heart;decision problems;two-dimensional fuzzy events;cool head | |
train_174 | The BIOGENES system for knowledge-based bioprocess control | The application of knowledge-based control systems in the area of biotechnological processes has become increasingly popular over the past decade. This paper outlines the structure of the advanced knowledge-based part of the BIOGENES Copyright control system for the control of bioprocesses such as the fed-batch Sacchar... | qualitative process state identification;biotechnological processes;online identification;fed-batch saccharomyces cerevisiae cultivation;metabolic states;process data classification;biogenes system;supervisory process control;experiment;knowledge-based bioprocess control | |
train_1740 | Verification of ideological classifications-a statistical approach | The paper presents a statistical method of verifying ideological classifications of votes. Parliamentary votes, preclassified by an expert (on a chosen subset), are verified at an assumed significance level by seeking the most likely match with the actual vote results. Classifications that do not meet the requirements ... | ideological dimensioning algorithms;statistical approach;parliamentary votes;significance level;bootstrap;ideological space;ideological classifications | |
train_1741 | The top cycle and uncovered solutions for weak tournaments | We study axiomatic properties of the top cycle and uncovered solutions for weak tournaments. Subsequently, we establish its connection with the rational choice theory | rational choice theory;weak tournaments;uncovered solutions;axiomatic properties;top cycle | |
train_1742 | A sufficient condition for optimality in nondifferentiable invex programming | A sufficient optimality condition is established for a nonlinear programming problem without differentiability assumption on the data wherein Clarke's (1975) generalized gradient is used to define invexity | locally lipschitz function;generalized gradient;invexity;semiconvex function;sufficient optimality condition;nondifferentiable invex programming;nonlinear programming problem | |
train_1743 | Adaptive stabilization of undamped flexible structures | In the paper non-identifier-based adaptive stabilization of undamped flexible structures is considered in the case of collocated input and output operators. The systems have poles and zeros on the imaginary axis. In the case where velocity feedback is available, the adaptive stabilizer is constructed by an adaptive PD-... | position feedback;poles and zeros;adaptive stabilization;velocity feedback;adaptive p-controller;proportional plus derivative controller;parallel compensator;undamped flexible structures;adaptive pd-controller;augmented system;imaginary axis | |
train_1744 | Convergence of Toland's critical points for sequences of DC functions and | application to the resolution of semilinear elliptic problems We prove that if a sequence (f/sub n/)/sub n/ of DC functions (difference of two convex functions) converges to a DC function f in some appropriate way and if u/sub n/ is a critical point of f/sub n/, in the sense described by Toland (1978, 1979), and is suc... | semilinear elliptic problems;convex function difference;semilinear elliptic equation;dc function sequences;critical point convergence | |
train_1745 | Approximate relaxed descent method for optimal control problems | We consider an optimal control problem for systems governed by ordinary differential equations with control constraints. Since no convexity assumptions are made on the data, the problem is reformulated in relaxed form. The relaxed state equation is discretized by the implicit trapezoidal scheme and the relaxed controls... | trapezoidal schemes;discretization refinement;relaxed state equation discretization;approximate relaxed descent method;cost functional approximate derivative;optimal control problems;ordinary differential equations;relaxed control approximation;implicit trapezoidal scheme;discrete relaxed control sequences;piecewise co... | |
train_1746 | The exact solution of coupled thermoelectroelastic behavior of piezoelectric | laminates Exact solutions for static analysis of thermoelectroelastic laminated plates are presented. In this analysis, a new concise procedure for the analytical solution of composite laminated plates with piezoelectric layers is developed. A simple eigenvalue formula in real number form is directly developed from the... | analytical solution;coupled thermoelectroelastic behavior;stresses;five-layer piezoelectric plate;thermal environment;coupled piezoelectric differential equations;eigenvalue formula;thick plates;piezoelectric laminates;finite element method;piezoelectric layers;exact solution;deformations;thin plates;numerical study;co... | |
train_1747 | On a general constitutive description for the inelastic and failure behavior of | fibrous laminates. II. Laminate theory and applications For pt. I see ibid., pp. 1159-76. The two papers report systematically a constitutive description for the inelastic and strength behavior of laminated composites reinforced with various fiber preforms. The constitutive relationship is established micromechanically... | s-n curves;multilayer knitted fabric reinforced laminates;thermomechanical cycling stress-strain curves;inelastic behavior;matrix materials;fibrous laminates;layer-by-layer analysis;strength behavior;composites;laminate theory;load;stress analysis;multidirectional laminates;internal stresses;fem software package;microm... | |
train_1748 | On a general constitutive description for the inelastic and failure behavior of | fibrous laminates. I. Lamina theory It is well known that a structural design with isotropic materials can only be accomplished based on a stress failure criterion. This is, however, generally not true with laminated composites. Only when the laminate is subjected to an in-plane load, can the ultimate failure of the la... | micromechanics model;stress failure criterion;laminate deflections;critical deflection condition;inelastic behavior;thermomechanical response;woven fabric composites;lamina theory;fibrous laminates;layer-by-layer analysis;last-ply failure;isotropic materials;multidirectional tape laminae;composites;braided fabric compo... |
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