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Articles 11821 - 11850 of 13803

Full-Text Articles in Engineering

Perchlorate: Sources, Uses, And Occurrences In The Environment, Clayton W. Trumpolt, Michael Crain, Geoffrey D. Cullison, Susan J. P. Flanagan, Lenny Siegel, Stephen Lathrop Jan 2005

Perchlorate: Sources, Uses, And Occurrences In The Environment, Clayton W. Trumpolt, Michael Crain, Geoffrey D. Cullison, Susan J. P. Flanagan, Lenny Siegel, Stephen Lathrop

United States Navy: Publications

Perchlorate contamination of groundwater and soil continues to be a hot topic in many sectors, including industry, the federal Departments of Defense and Energy, regulators, and the general public. This article presents information on what is currently known regarding perchlorate uses, known and suspected naturally occurring versus anthropogenic perchlorate sources, and past and present manufacturing locations. It provides the reader with a baseline as well as background information to facilitate an understanding of perchlorate in the environment for the ultimate purpose of remediation. The article is based on research conducted by the Interstate Technology Regulatory Council for a forthcoming, more …

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Towards An Rts,S-Based, Multi-Stage, Multi-Antigen Vaccine Against Falciparum Malaria: Progress At The Walter Reed Army Institute Of Research, D. Gray Heppner Jr., Kent E. Kester, Christian F. Ockenhouse, Nadia Tornieporth, Opokua Ofori, Jeffrey A. Lyon, V. Ann Stewart, Patrice Dubois, David E. Lanar, Urszula Krzych, Philippe Moris, Evelina Angov, James F. Cummings, Amanda Leach, B. Ted Hall, Sheetij Dutta, Robert Schwenk, Collette Hillier, Arnoldo Barbosa, Lisa A. Ware, Lalitha Nair, Christian A. Darko, Mark R. Withers, Bernhards Ogutu, Mark E. Polhemus, Mark Fukuda, Sathit Pichyangkul, Montip Gettyacamin, Carter Diggs, Lorraine Soisson, Jessica Milman, Marie-Claude Dubois, Nathalie Garcon, Kathryn Tucker, Janet Wittes, Christopher V. Plowe, Mahamadou A. Thera, Ogobara K. Duombo, Maria G. Pau, Jaap Goudsmit, W. Ripley Ballou, Joe Cohen Jan 2005

Towards An Rts,S-Based, Multi-Stage, Multi-Antigen Vaccine Against Falciparum Malaria: Progress At The Walter Reed Army Institute Of Research, D. Gray Heppner Jr., Kent E. Kester, Christian F. Ockenhouse, Nadia Tornieporth, Opokua Ofori, Jeffrey A. Lyon, V. Ann Stewart, Patrice Dubois, David E. Lanar, Urszula Krzych, Philippe Moris, Evelina Angov, James F. Cummings, Amanda Leach, B. Ted Hall, Sheetij Dutta, Robert Schwenk, Collette Hillier, Arnoldo Barbosa, Lisa A. Ware, Lalitha Nair, Christian A. Darko, Mark R. Withers, Bernhards Ogutu, Mark E. Polhemus, Mark Fukuda, Sathit Pichyangkul, Montip Gettyacamin, Carter Diggs, Lorraine Soisson, Jessica Milman, Marie-Claude Dubois, Nathalie Garcon, Kathryn Tucker, Janet Wittes, Christopher V. Plowe, Mahamadou A. Thera, Ogobara K. Duombo, Maria G. Pau, Jaap Goudsmit, W. Ripley Ballou, Joe Cohen

United States Army: Publications

The goal of the Malaria Vaccine Program at the Walter Reed Army Institute of Research (WRAIR) is to develop a licensed multi-antigen, multi-stage vaccine against Plasmodium falciparum able to prevent all symptomatic manifestations of malaria by preventing parasitemia. A secondary goal is to limit disease in vaccinees that do develop malaria. Malaria prevention will be achieved by inducing humoral and cellular immunity against the pre-erythrocytic circumsporozoite protein (CSP) and the liver stage antigen-1 (LSA-1). The strategy to limit disease will target immune responses against one or more blood stage antigens, merozoite surface protein-1 (MSP-1) and apical merozoite antigen-1 (AMA-1). The …

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A Robust Controller For The Manipulation Of Micro Scale Objects, Qinmin Yang, Jagannathan Sarangapani Jan 2005

A Robust Controller For The Manipulation Of Micro Scale Objects, Qinmin Yang, Jagannathan Sarangapani

Electrical and Computer Engineering Faculty Research & Creative Works

A suite of novel robust controllers is presented for the manipulation and handling of micro-scale objects in a micro-electromechanical system (MEMS) where adhesive, surface tension, friction and van der Waals forces are dominant. Moreover, these forces are typically unknown. The robust controller overcomes the unknown system dynamics and ensures the performance in the presence of actuator constraints by assuming that the upper bounds on these forces are known. On the other hand, for the robust adaptive controller, the unknown forces are estimated online. Using the Lyapunov approach, the uniformly ultimate boundedness (UUB) of the closed-loop manipulation error is shown for …

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Decentralized Discrete-Time Neural Network Controller For A Class Of Nonlinear Systems With Unknown Interconnections, Jagannathan Sarangapani Jan 2005

Decentralized Discrete-Time Neural Network Controller For A Class Of Nonlinear Systems With Unknown Interconnections, Jagannathan Sarangapani

Electrical and Computer Engineering Faculty Research & Creative Works

A novel decentralized neural network (NN) controller in discrete-time is designed for a class of uncertain nonlinear discrete-time systems with unknown interconnections. Neural networks are used to approximate both the uncertain dynamics of the nonlinear systems and the unknown interconnections. Only local signals are needed for the decentralized controller design and the stability of the overall system can be guaranteed using the Lyapunov analysis. Further, controller redesign for the original subsystems is not required when additional subsystems are appended. Simulation results demonstrate the effectiveness of the proposed controller. The NN does not require an offline learning phase and the weights …

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Energy-Efficient Rate Adaptation Mac Protocol For Ad Hoc Wireless Networks, Maciej Jan Zawodniok, Jagannathan Sarangapani Jan 2005

Energy-Efficient Rate Adaptation Mac Protocol For Ad Hoc Wireless Networks, Maciej Jan Zawodniok, Jagannathan Sarangapani

Electrical and Computer Engineering Faculty Research & Creative Works

Resource constraints in ad hoc wireless networks require that they are energy efficient during both transmission and rate adaptation. In this paper, we propose a novel energy-efficient rate adaptation protocol that selects modulation schemes online to maximize throughput based on channel state while saving energy. This protocol uses the distributed power control (DPC) algorithm (M. Zawodniok et al., 2004) to accurately determine the necessary transmission power and to reduce the energy consumption. Additionally, the transmission rate is altered using energy efficiency as a constraint to meet the required throughput, which is estimated with queue fill ratio. Moreover, back-off scheme is …

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Neural Network-Based Control Of Nonlinear Discrete-Time Systems In Non-Strict Form, Jagannathan Sarangapani, Zheng Chen, Pingan He Jan 2005

Neural Network-Based Control Of Nonlinear Discrete-Time Systems In Non-Strict Form, Jagannathan Sarangapani, Zheng Chen, Pingan He

Electrical and Computer Engineering Faculty Research & Creative Works

A novel reinforcement learning-based adaptive neural network (NN) controller, also referred as the adaptive-critic NN controller, is developed to deliver a desired tracking performance for a class of non-strict feedback nonlinear discrete-time systems in the presence of bounded and unknown disturbances. The adaptive critic NN controller architecture includes a critic NN and two action NNs. The critic NN approximates certain strategic utility function whereas the action neural networks are used to minimize both the strategic utility function and the unknown dynamics estimation errors. The NN weights are tuned online so as to minimize certain performance index. By using gradient descent-based …

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Effect Of Back Belt On Inter-Joint Coordination And Postural Index Value Under Self Selected Manual Lifting Technique, Ashish Dashrathrao Nimbarte Jan 2005

Effect Of Back Belt On Inter-Joint Coordination And Postural Index Value Under Self Selected Manual Lifting Technique, Ashish Dashrathrao Nimbarte

LSU Master's Theses

Over the past decade increasing number of US companies have been encouraging the use of abdominal support as a part of their efforts to reduce the human and economic costs due to back injuries. Back belts are assumed to prevent injuries by restricting posture, increasing intra abdominal pressure, providing psychological effect and relaxing trunk muscle to provide circumferential support around the pelvis ring. This research deals in detail with the posture restriction caused by back belt. Two-dimensional kinematic data was collected from ten subjects using nine marker positions. Angular displacement of nine body angles was compared. The kinematic relationship, posture, …

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Semantic Classification Of Rural And Urban Images Using Learning Vector Quantization, Prakash Thulasiraman Jan 2005

Semantic Classification Of Rural And Urban Images Using Learning Vector Quantization, Prakash Thulasiraman

LSU Master's Theses

One of the major hurdles in semantic image classification is that only low-level features can be reliably extracted from images as opposed to higher level features (objects present in the scene and their inter-relationships). The main challenge lies in grouping images into semantically meaningful categories based on the available low-level visual features of the images. It is important that we have a classification method that will handle a complex image dataset with not so well defined boundaries between clusters. Learning Vector Quantization (LVQ) neural networks offer a great deal of robustness in clustering complex datasets. This study presents a semantic …

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Hierarchical Indexing For Region Based Image Retrieval, Eka Aulia Jan 2005

Hierarchical Indexing For Region Based Image Retrieval, Eka Aulia

LSU Master's Theses

Region-based image retrieval system has been an active research area. In this study we developed an improved region-based image retrieval system. The system applies image segmentation to divide an image into discrete regions, which if the segmentation is ideal, correspond to objects. The focus of this research is to improve the capture of regions so as to enhance indexing and retrieval performance and also to provide a better similarity distance computation. During image segmentation, we developed a modified k-means clustering algorithm for image retrieval where hierarchical clustering algorithm is used to generate the initial number of clusters and the cluster …

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Effects Of Mental Rotation, Visual Aids And Training On Inspection Performance During Airport Baggage Inspection, Sunil Addepalli Jan 2005

Effects Of Mental Rotation, Visual Aids And Training On Inspection Performance During Airport Baggage Inspection, Sunil Addepalli

LSU Master's Theses

Since 9/11, airport security has become an area of critical national security. The current study investigates the effect of mental rotation training and the presence of visual decision aids on inspection performance. Forty-eight participants were divided into two groups (Group A and Group B) of twenty-four each. Each group was provided with training on visual inspection, baggage screening and on using the software simulation of airport baggage inspection. Participants had to identify from images any object that cannot be allowed on a passenger plane and register a response by clicking one of the buttons, “Threat” or “No Threat”. Participants in …

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Usability Of Home Cholesterol Test Kits And Their Impact On Patients' Decision, Deepti Surabattula Jan 2005

Usability Of Home Cholesterol Test Kits And Their Impact On Patients' Decision, Deepti Surabattula

LSU Master's Theses

Release of home health testing kits into the market has enabled people to take care of their own health. Misinterpretation of results and delays in treatments are the major concerns of the doctors. In the present study, two cholesterol test kits, AccuchekÒ Instant plusÒ and Home Access® Instant Cholesterol Test, were compared on the basis of user performance, accuracy, and the patient’s future medical decisions based on the test results. The study was conducted with 30 participants, 15 men and 15 women. Participants tested their overall cholesterol level with both kits. In addition, a clinical cholesterol evaluation, the medical gold …

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Management Of Extremes In The Configuration Of Interoffice Telephone Switch & Priority Systems, C. Ariel Pinto Jan 2005

Management Of Extremes In The Configuration Of Interoffice Telephone Switch & Priority Systems, C. Ariel Pinto

Engineering Management & Systems Engineering Faculty Publications

This paper describes how to enable diverse enterprise customers for voice-data switch to achieve in configuration a balance among users, features, and perceived reliability subject to extremes of traffic. The analysis entailed the simulation of the voice-data switch with embedded priority system, generation of latency times for various configurations and transaction traffic rates, and the development of a framework and theoretical propositions for configuration of super-saturated systems. It was shown that the concept of tolerance levels defined in the risk of extreme events can be applied for embedded priority systems and was the basis for the application of the zone-configuration …

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Complex System Transformation: A System Of Systems Engineering (Sose) Perspective, Charles B. Keating, Andres Sousa-Poza, Samuel Kovacic Jan 2005

Complex System Transformation: A System Of Systems Engineering (Sose) Perspective, Charles B. Keating, Andres Sousa-Poza, Samuel Kovacic

Engineering Management & Systems Engineering Faculty Publications

The purpose of this paper is to develop a perspective for complex system transformation from a System of Systems Engineering (SoSE) viewpoint. This is a first attempt to make explicit a SoSE viewpoint on complex system transformation. As such, the formulation is intended to escalate the dialog and integrate the current state of understanding with respect to the nature, utility, and implications of complex system transformation in SoSE terms. To achieve our purpose we will: (1) present a short introduction that provides an essential background for SoSE, (2) provide five fundamental systems concepts that underlie a SoSE perspective of complex …

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Managing The Transformation Of System Of Systems Engineering, Samuel F. Kovacic, Andres Sousa-Poza Jan 2005

Managing The Transformation Of System Of Systems Engineering, Samuel F. Kovacic, Andres Sousa-Poza

Engineering Management & Systems Engineering Faculty Publications

SOSE methodologies exist that support engineering difficult and disparate systems with a technical solution. However, from literature it is apparent that there is a need for a formal methodology and methods that govern engineering of System of Systems (SOS) beyond the technical solution. This paper presents some of the current thinking being undertaken at NCSOSE (National Centers for Systems of Systems Engineering), on what is driving the development of SOSE, and a hypothesized solution to this problem. The purpose is to offer a different approach for resolving complexity within a situation. The paper concludes with an initial derivative of a …

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A "Theory Of Action" Perspective On Effective Organizational Change, Ray Luechtefeld Jan 2005

A "Theory Of Action" Perspective On Effective Organizational Change, Ray Luechtefeld

Engineering Management and Systems Engineering Faculty Research & Creative Works

No abstract provided.

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A Generic, Adaptive Systems Engineering Information Model I, Ann K. Miller, Joseph J. Simpson, Scott Erwin Grasman, Cihan H. Dagli Jan 2005

A Generic, Adaptive Systems Engineering Information Model I, Ann K. Miller, Joseph J. Simpson, Scott Erwin Grasman, Cihan H. Dagli

Engineering Management and Systems Engineering Faculty Research & Creative Works

This paper proposes a new network centric architecture that can be used by first responders to effectively respond to crisis situations. The powerful network-centric concept originally developed for and mainly used in the military environment, can be effectively used for civilian security and emergency response missions. This paper also proposes the use of a swarm of intelligent robots as a part of the network-centric architecture to aid the first responders. The swarm of robots works in tandem with the first responders and provides them with the necessary information on a real time basis. The proposed network centric architecture with a …

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Network-Centric First Responder Architecture With Swarming Robots Entity, Lakshmanan Meyyappan, Cihan H. Dagli Jan 2005

Network-Centric First Responder Architecture With Swarming Robots Entity, Lakshmanan Meyyappan, Cihan H. Dagli

Engineering Management and Systems Engineering Faculty Research & Creative Works

This paper proposes a new network centric architecture that can be used by first responders to effectively respond to crisis situations. The powerful network-centric concept originally developed for and mainly used in the military environment, can be effectively used for civilian security and emergency response missions. This paper also proposes the use of a swarm of intelligent robots as a part of the network-centric architecture to aid the first responders. The swarm of robots works in tandem with the first responders and provides them with the necessary information on a real time basis. The proposed network centric architecture with a …

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Special Session - Team Training To Promote Constructive (Not Destructive) Conflict, Ray Luechtefeld, Steve Eugene Watkins Jan 2005

Special Session - Team Training To Promote Constructive (Not Destructive) Conflict, Ray Luechtefeld, Steve Eugene Watkins

Engineering Management and Systems Engineering Faculty Research & Creative Works

Advancing technology increases the need for engineering students to perform effectively on multidisciplinary teams. While conflict is a normal, and even necessary, component of team dynamics, if not managed effectively it can lead to destructive (rather than constructive) outcomes. An Action Science approach to group and individual effectiveness can help teams handle conflict constructively. This session uses a "Teach the Teacher" approach to give participants a basic understanding of skills underlying the approach. It provides practice in Action Science through a set of learning modules. These skills can be brought back and integrated into the participants' courses to provide student …

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Taxonomy Of Systems-Of-Systems, James Gideon, Cihan H. Dagli, Ann K. Miller Jan 2005

Taxonomy Of Systems-Of-Systems, James Gideon, Cihan H. Dagli, Ann K. Miller

Engineering Management and Systems Engineering Faculty Research & Creative Works

The study of systems-of-systems is an increasingly important topic in systems engineering. Though there is not complete agreement, a more precise definition of what these highly evolved systems are and what attributes they possess has certainly emerged. However, there are still areas in the study where the topic can be advanced by a more rigorous presentation of the basic elements. One such area is the taxonomy of systems-ofsystems. This paper will begin with the definition of systems-of-systems as it currently stands and will present the taxonomy from a broader view with additional considerations for classification. These taxonomic categories will consider …

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An Sds Modeling Approach For Simulation-Based Control, Sreeram Ramakrishnan, Kumar Mayur Thakur Jan 2005

An Sds Modeling Approach For Simulation-Based Control, Sreeram Ramakrishnan, Kumar Mayur Thakur

Engineering Management and Systems Engineering Faculty Research & Creative Works

We initiate a study of mathematical models for specifying (discrete) simulation-based control systems. It is desirable to specify simulation-based control systems using a model that is intuitive, succinct, expressive, and whose state space properties are relatively easy computationally. We compare automata-based models for specifying control systems and find that all systems that are currently used (such as finite state machines, communicating hierarchical finite state machines (FSM), communicating finite state machines, and Turing machines) lack at least one of the abovementioned features. We propose using sequential dynamical systems (SDS) - a formalism for representing discrete simulations - to specify simulation-based control …

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Complex System Contextual Framework (Cscf): A Grounded-Theory Construction For The Articulation Of System Context In Addressing Complex Systems Problems, W. B. Max Crownover Jan 2005

Complex System Contextual Framework (Cscf): A Grounded-Theory Construction For The Articulation Of System Context In Addressing Complex Systems Problems, W. B. Max Crownover

Engineering Management & Systems Engineering Theses & Dissertations

The complexity of problems facing society continues to grow, and decision-makers and problem-solvers are finding many of today's emerging problems to be beyond their capability to adequately address. There is agreement in the literature that problems of this nature are complex system problems, inextricably linked to some highly complex system of systems. Establishing a clear understanding of the specific complex system context is fundamental to the process of understanding and analyzing complex systems and complex system problems across all of the different systems-based disciplines. While complex system context is widely referred to in systems literature, there is no clear characterization …

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Haptic-Based Dental Procedure Training Simulator, Cristian Luciano Jan 2005

Haptic-Based Dental Procedure Training Simulator, Cristian Luciano

Link Foundation Modeling, Simulation and Training Fellowship Reports

Since the beginning of the last century, simulators have been widely used in military and aviation. Recently, the use of simulation in medicine and dentistry has brought the attention of the research community, looking for efficient ways to increase patient's safety by improving surgeon's and dentist's skills. Traditionally, plastic mannequins and cadavers were used to train medical and dental students. However, the lack of details and differences on material properties (in the case of mannequins), and high costs and ethical issues (in the case of cadavers)- supported by the lately improvements of virtual reality, haptics and robotics - have increased …

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Effects Of Aging On The Biomechanics Of Slips And Falls, Thurmon E. Lockhart, James L. Smith, Jeffrey C. Woldstad Jan 2005

Effects Of Aging On The Biomechanics Of Slips And Falls, Thurmon E. Lockhart, James L. Smith, Jeffrey C. Woldstad

Department of Industrial and Management Systems Engineering: Faculty Publications

Although much has been learned in recent decades about the deterioration of muscular strength, gait adaptations, and sensory degradation among older adults, little is known about how these intrinsic changes affect biomechanical parameters associated with slip-induced fall accidents. In general, the objective of this laboratory study was to investigate the process of initiation, detection, and recovery of inadvertent slips and falls. We examined the initiation of and recovery from foot slips among three age groups utilizing biomechanical parameters, muscle strength, and sensory measurements. Forty-two young, middle-age, and older participants walked around a walking track at a comfortable pace. Slippery floor …

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Details And Description Of Industrial Engineering, Paul Savory Jan 2005

Details And Description Of Industrial Engineering, Paul Savory

Department of Industrial and Management Systems Engineering: Faculty Publications

This content paper addresses key questions for students interested in pursuing industrial engineering as an academic major: What is industrial engineering? What personality characteristics do Industrial Engineers have? What types of projects do Industrial Engineers work on? What types of jobs do Industrial Engineers have? Where do Industrial Engineers work once they graduate? How much can Industrial Engineers earn? I have never heard of IE, is it a new area? How do Industrial Engineers benefit society and business? What classes will I take as an industrial engineering student? What are examples of problems I will learn how to solve? Are …

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Optimal Location Of Intermodal Freight Hubs, Illia Racunica, Laura Wynter Jan 2005

Optimal Location Of Intermodal Freight Hubs, Illia Racunica, Laura Wynter

Research Collection School Of Computing and Information Systems

We present an optimization model that has been developed to address the problem of increasing the share of rail in intermodal transport through the use of hub-and-spoke type networks for freight rail. The model defined is a generalization of the hub location problem in that it allows for non-linear and concave cost functions on different segments. A linearization procedure along with two efficient variable-reduction heuristics was developed for its resolution, making use of recent results on polyhedral properties of this class of problems. Computational experience and a qualitative analysis from a case study on the Alpine freight network is provided.

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Information View Of Organization, Bob Travica Jan 2005

Information View Of Organization, Bob Travica

Journal of International Technology and Information Management

This article proposes an information view of organization that brings the information systems field closer to organization theory. Although voluminous bodies of literature have been developed within each of these disciplines and links between them do exist, their mutual informing is still insufficient. The proposed view of organization is intended to help convey results of information systems research to organizational scholars, while broadening theoretical horizons of the former. This article discusses the premises, conceptual framework, examples, and preliminary evidence of the information view of organization.

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Time Dimension For Business News In The Knowledge Warehouse, Pawel J. Kalczynski Jan 2005

Time Dimension For Business News In The Knowledge Warehouse, Pawel J. Kalczynski

Journal of International Technology and Information Management

This paper proposes a data structure to support the integration of business news and data in the knowledge warehouse using the Temporal Document Retrieval Model (TDRM). Temporal document retrieval takes into account the time context expressed as temporal phrases in the document content. The maintenance and scalability of the proposed data cluster is discussed. The results of temporal document retrieval experiments based on typical and ad-hoc time constraints, performed on a large corpus of business news are reported. The experiments showed that the instantaneous TDRM-based retrieval using the proposed cluster is possible with the currently available database technology and confirmed …

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A Framework For Describing And Classifying Multicriteria Portfolio Selection Problems: An Object-Oriented Approach, Heinz Roland Weistroffer, Charles H. Smith Jan 2005

A Framework For Describing And Classifying Multicriteria Portfolio Selection Problems: An Object-Oriented Approach, Heinz Roland Weistroffer, Charles H. Smith

Journal of International Technology and Information Management

Many decisions require not a single solution alternative, but a set or portfolio of alternatives. For example, a business generally produces not a single product, but a portfolio of products, and a project is tackled not by a single individual, but by a team of individuals. Unfortunately, the portfolio selection problem has been largely neglected in the literature. Though many specific problem environments have been discussed using heuristic, ad hoc methods, no general methodology or theory has been developed. This paper proposes an object-oriented framework to provide a theoretical foundation for future research on the portfolio selection problem.

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Uml Activity Diagram Semantics And Automated Gui Prototyping, Nancy Winniford Ashley, Timothy E. Meehan, Norman Carr Jan 2005

Uml Activity Diagram Semantics And Automated Gui Prototyping, Nancy Winniford Ashley, Timothy E. Meehan, Norman Carr

Journal of International Technology and Information Management

Extended Activity Semantics (XAS) is a notation which can be used with Unified Modeling Language (UML) activity diagrams to specify user interactions with a system and to automatically generate a prototype of the graphical user interface (GUI) that would be used in these interactions. XAS has been incorporated in a CASE tool, Guibot, which has been developed as a plug-in for Rational Rose, a leading UML tool. The notation and tool address a specific gap in UML – the inability to model user interaction.

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Internet Technology In 2010: The Issue Of Ipv6 Adoption In The U.S.A., Garry L. White, Jaymeen R. Shah, James R. Cook Jan 2005

Internet Technology In 2010: The Issue Of Ipv6 Adoption In The U.S.A., Garry L. White, Jaymeen R. Shah, James R. Cook

Journal of International Technology and Information Management

Computer industry literature suggests that IPv4 Internet addresses are likely to have been depleted by the year 2010, and at least Asia and Europe will be using the new IPv6 Internet addresses. Literature also suggests that the U.S.A. is lagging behind Asia and Europe with the implementation of IPv6. Empirical data supporting the fact that the U.S.A. is lagging behind is not available in the literature. This paper presents the issues regarding IPv6, reasons why Asia and Europe are implementing IPv6, and why the U.S.A. is lagging behind. Empirical data is presented to support the literature’s suggestion that the U.S.A. …

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