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Articles 31 - 47 of 47
Full-Text Articles in Operational Research
Exact And Heuristic Algorithms For The Job Shop Scheduling Problem With Earliness And Tardiness Over A Common Due Date, Leonardo Bedoya-Valencia
Exact And Heuristic Algorithms For The Job Shop Scheduling Problem With Earliness And Tardiness Over A Common Due Date, Leonardo Bedoya-Valencia
Engineering Management & Systems Engineering Theses & Dissertations
Scheduling has turned out to be a fundamental activity for both production and service organizations. As competitive markets emerge, Just-In-Time (JIT) production has obtained more importance as a way of rapidly responding to continuously changing market forces. Due to their realistic assumptions, job shop production environments have gained much research effort among scheduling researchers. This research develops exact and heuristic methods and algorithms to solve the job shop scheduling problem when the objective is to minimize both earliness and tardiness costs over a common due date. The objective function of minimizing earliness and tardiness costs captures the essence of the …
Integrating It-Enabled Social Networks With Transaction Cost Economics And The Resource Based View Of The Firm, Ganesh D. Bhatt, Jatinder N. D. Gupta, Sushil K. Sharma
Integrating It-Enabled Social Networks With Transaction Cost Economics And The Resource Based View Of The Firm, Ganesh D. Bhatt, Jatinder N. D. Gupta, Sushil K. Sharma
Journal of International Technology and Information Management
Prior research has mostly focused on transaction cost economics (TCE) to interpret the effect of information systems (IS) on organizational governance structures. A TCE based approach predicts that information technology (IT) will lead to increased use of electronic markets to coordinate economic transactions from electronic hierarchies. However, there is contradictory evidence in the literature regarding the rise and importance of cooperative relationships, joint ventures, and value-added partnerships integrated through information systems. To reconcile these contradictions, this paper analyzes the effect of IT on governance structures based on the TCE, social network theory, and the resource based view (RBV) of the …
In Search Of Factors To Online Game Addiction And Its Implications, Yangil Park, Jeng-Chung V. Chen
In Search Of Factors To Online Game Addiction And Its Implications, Yangil Park, Jeng-Chung V. Chen
Journal of International Technology and Information Management
Research has explored online users who are hooked on Internet applications such as chat rooms, web surfing, and interactive games. Online game addiction is one of the problems arisen from the use of the Internet. This study is motivated by a causal connection found from previous research of computer game addiction. The study describes two typical types of online games and looks further into the causes of the addiction by using two main theories. We also propose research hypotheses and discuss possible implications of online game addiction.
An Examination Of Internet Effectiveness For Non-Work Activities, Pruthikrai Mahatanankoon, Tim Klaus, H. Joseph Wen
An Examination Of Internet Effectiveness For Non-Work Activities, Pruthikrai Mahatanankoon, Tim Klaus, H. Joseph Wen
Journal of International Technology and Information Management
The Internet is frequently used for non-work activities. When used for these purposes, the effectiveness of the Internet in accomplishing these leisure activities becomes an important consideration. Research literature has remained relatively silent in regards to the examination of accomplishing non-work tasks through the Internet. This study uses Davis’ Technology Acceptance Model (TAM) as a basis to predict different types of common user web activities—entertainment, communicating, and information searching. Using Structured Equation Modeling, this paper examines the effectiveness of the Internet in accomplishing non-work activities. In this study, the overall analysis of the survey data suggests that perceived ease of …
Internet Entrepreneurship And Economic Growth, Gerald V. Post, John F. Pfaff
Internet Entrepreneurship And Economic Growth, Gerald V. Post, John F. Pfaff
Journal of International Technology and Information Management
This paper looks at national attempts to promote economic growth through the Internet. Growth can be driven through service exports or internally through increased service transactions and fostering entrepreneurship. India is often held as an example of service exports, but economic statistics show that India might not be a good example for other nations because net service trade is negative and wages have been economically distorted. Ultimately, developing nations need to find internal growth models. Internal growth could be driven though increased consumption due to improved information, or increased investment expenditures from infrastructure investments.
Project Management Practices In The Information Technology Departments Of Various Size Institutions Of Higher Education, Charles R. Johnston, David C. Wierschem
Project Management Practices In The Information Technology Departments Of Various Size Institutions Of Higher Education, Charles R. Johnston, David C. Wierschem
Journal of International Technology and Information Management
The demand for information technology at institutions of higher education is increasing at a rapid pace. It is fueled by student, faculty, and administrative needs. This paper examines project management practices at these institutions with respect to the sizes of the institutions. Survey results indicate an emphasis on operational concerns at small and medium size institutions when selecting IT projects. The prominence of the role of project manager and adoption of formal PM tools/techniques by IT departments generally increase with the sizes of the institutions. The importance of having a project plan is recognized by all sizes of institutions of …
An Analysis Of The D Programming Language, Sumanth Yenduri, Louise Perkins, Md. Sarder
An Analysis Of The D Programming Language, Sumanth Yenduri, Louise Perkins, Md. Sarder
Journal of International Technology and Information Management
The C language and its derivatives have been some of the dominant higher-level languages used, and the maturity has stemmed several newer languages that, while still relatively young, possess the strength of decades of trials and experimentation with programming concepts. While C++ was a major step in the advancement from procedural to object-oriented programming (with a backbone of C), several problems existed that prompted the development of new languages. This paper focuses on one such language: D. D was designed as a potential successor to C++, supporting most features of C++’s class design and modifications intended to ease common program …
Development Of A Maintenance System Based On Web And Mobile Technologies, Jaime Campos, Erkki Jantunen, Om Prakash
Development Of A Maintenance System Based On Web And Mobile Technologies, Jaime Campos, Erkki Jantunen, Om Prakash
Journal of International Technology and Information Management
The paper reports the development of an e-monitoring and maintenance system based on web technology and mobile device, PDA. Rarity of experts led to the application of artificial intelligence and later, distributed artificial intelligence for condition monitoring and diagnosis of machine condition. Recently, web technology along with wireless communication is emerging as a potent tool in maintenance. It facilitates obtaining of the desired information by the relevant personnel at any time wherever he may be. The paper first describes the web and mobile architecture that formed the basis of the system and ICT tools used to communicate among the different …
Comparing The Prioritization Of Erp System Effectiveness Measures By Organizational Actors: A Focus On It Professionals And Business Managers, Princely Ifinedo
Comparing The Prioritization Of Erp System Effectiveness Measures By Organizational Actors: A Focus On It Professionals And Business Managers, Princely Ifinedo
Journal of International Technology and Information Management
Modern organizations adopt Enterprise Resource Planning systems (ERP) to integrate their organizational data resources into unified systems. Researchers tend to concentrate on ERP implementation issues with only a handful studying ERP system effectiveness or success in adopting organizations. In fact, none has studied how key organizational actors prioritize or rank relevant measures or items related to the effectiveness of such systems. This study is designed to fill this gap in research as it aims at investigating how two organizational stakeholder groups, i.e. information technology (IT) professionals and business managers prioritize relevant measures related to ERP systems effectiveness. Using surveys in …
Strategic Alliances In Greek Mobile Telephony, Ioanna Stoili, Anastasios A. Economides
Strategic Alliances In Greek Mobile Telephony, Ioanna Stoili, Anastasios A. Economides
Journal of International Technology and Information Management
The mobile telephony market is a very competitive market. Mobile telephony companies try to expand by forming strategic alliances with companies from various industries. The objective of this paper is to analyze the motives, the actions and the results of the collaborations and alliances of two Greek mobile telephony companies (Cosmote and Vodafone Hellas). In addition, this paper illustrates examples of how the technology change and the technological convergence (Internet, computers, and mobile telephony) affected and activated the proliferation of these alliances. The entry of I-mode and Vodafone Live! in the Greek market caused an increase in the number of …
Improving Credit Card Operations With Data Mining Techniques, Malini Krishnamurthi
Improving Credit Card Operations With Data Mining Techniques, Malini Krishnamurthi
Journal of International Technology and Information Management
Consumer credit is ubiquitous and lending poses credit risk – the risk of economic loss due to the failure of a borrower to repay according to the terms of his or her contract with the lender. And so, managing credit risk entails estimating the potential ability of borrowers to repay their debts. Researchers have sought to identify factors that contribute to consumer risk, by using quantitative models. However, the presence of data mining techniques to identify credit risk cannot be ignored. There is a paucity of research to demonstrate the use of data mining techniques in this context, and such …
Internet Industry Competition Dynamics: Peering Limitations, Exposure, And Counter Strategies, Seungjae Shin, Jack E. Tucci
Internet Industry Competition Dynamics: Peering Limitations, Exposure, And Counter Strategies, Seungjae Shin, Jack E. Tucci
Journal of International Technology and Information Management
The Internet industry is vertically integrated with Internet Backbone Providers (IBPs) and Internet Service Providers (ISPs.) Although there are many ISPs and IBPs in each stream, both markets are considered independent oligopolies in that there are a few dominant competitors in each market. It is generally accepted that the Internet industry structure has evolved into a four-tier hierarchical structure. The synergistic and codependent nature of the Internet industry is the key element in understanding the competitive environment in which both IBP’s and ISP’s cooperate. Peering is an efficient way to exchange traffic freely within the access tier, nevertheless competitive constraints …
Social Network Enhanced Digital City Management And Innovation Success: A Prototype Design, Bih-Ru Lea, Wen-Bin Yu, Prashanth Kannan
Social Network Enhanced Digital City Management And Innovation Success: A Prototype Design, Bih-Ru Lea, Wen-Bin Yu, Prashanth Kannan
Journal of International Technology and Information Management
Innovation is the process by which knowledge is transformed into products and services which in turn fuels economic development to create wealth and generates improvements in the standard of living. With the advance of technology, social networks that play a fundamental role as a medium for the spread of information, ideas, and influence among its members have taken a form of digital city to offer a range of online services, including access to social environments, community services, and e-commerce to its infohabitants. This study investigates how social network theories can be used to design and manage a web-based digital city …
Corporate Blogs Of 40 Fortune 500 Companies: Distribution, Categorization And Characteristics, Shaoyi He, Jake Zhu
Corporate Blogs Of 40 Fortune 500 Companies: Distribution, Categorization And Characteristics, Shaoyi He, Jake Zhu
Journal of International Technology and Information Management
This paper studies corporate blogs as virtual communities, focusing on the distribution, categorization and characteristics of 40 Fortune 500 Companies’ blogs. Firstly, the 40 corporate blogs were classified by industries to see which industries are active advocates of corporate blogs. Secondly, the 40 corporate blogs were first grouped in direct competitor clusters and then categorized into four types of virtual communities: 1) Community of interest, 2) Goal-oriented community of interest, 3) Learner’s community, and 4) Community of practice. Thirdly, eight common elements were identified and compared for each of the 40 corporate blogs to find out their major characteristics. Finally, …
Discovering Software Reliability Patterns Based On Multiple Software Projects, Yi Liu, Gerald Adkins, Jeng-Foung Yao, Gita Williams
Discovering Software Reliability Patterns Based On Multiple Software Projects, Yi Liu, Gerald Adkins, Jeng-Foung Yao, Gita Williams
Journal of International Technology and Information Management
Discovering patterns that indicate software reliability provides valuable information to software project managers. Software Quality Classification (SQC) modeling is a methodology that can be used to discover reliability patterns of large software projects. However, the patterns found by SQC modeling may not be accurate and robust owing to insufficient information used in the training process. This study compares two genetic programming-based SQC models using different volumes of data. These data were extracted from seven different NASA software projects. The results demonstrate that combining data from different projects can produce more accurate and reliable patterns.
Application Of Uml For Modeling Urban Traffic System Using Producer Consumer Theory To Generate Process Algebra Model, Manuj Darbari, Sanjay Medhavi, Abhay Kumar Srivastava
Application Of Uml For Modeling Urban Traffic System Using Producer Consumer Theory To Generate Process Algebra Model, Manuj Darbari, Sanjay Medhavi, Abhay Kumar Srivastava
Journal of International Technology and Information Management
UML is widely used as an industry standard for modeling any system. In this paper will be dealing with simple UML diagrams and show that low it can be transformed into process algebra models specially designated to model urban traffic systems. The model capture functionality at the level of mesoscopic as well as microscopic level and it is merged with process algebra’s producer consumer theory. The model is also formalized using Process algebra equations. This paper focuses on complex situational activity diagrams enhancing the expressivity by refining at the abstraction levels. Performance requirement is annotated by the UML profile for …
Methodology For Analyzing And Characterizing Error Generation In Presence Of Autocorrelated Demands In Stochastic Inventory Models, Rafael Diaz
Computational Modeling & Simulation Engineering Theses & Dissertations
Most techniques that describe and solve stochastic inventory problems rely upon the assumption of identically and independently distributed (IID) demands. Stochastic inventory formulations that fail to capture serially-correlated components in the demand lead to serious errors. This dissertation provides a robust method that approximates solutions to the stochastic inventory problem where the control review system is continuous, the demand contains autocorrelated components, and the lost sales case is considered. A simulation optimization technique based on simulated annealing (SA), pattern search (PS), and ranking and selection (R&S) is developed and used to generate near-optimal solutions. The proposed method accounts for the …