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    A New Model for Marketing Service Composition Considering Time to Market Objective Function Based on a Modular Approach

    , M.Sc. Thesis Sharif University of Technology Mohammadi, Amir (Author) ; Fattahi Valilai, Omid (Supervisor)
    Abstract
    Considering continuous growth of communication infrastructure and devices and the number of service and manufacturing firms, competition in the market is becoming tougher and more complicated as time goes by. In this situation firms need to be adapted to the varying needs of the market and keep the quality of their products high and their prices stable to exist and grow. Accordingly, one of the consequences of current competitive market is the continuous decrease in firms' products and services life cycles. Following this situation, firms and researchers have employed different tools to approach this goal which is shortening products and services life cycles. One of the most efficient tools... 

    Evaluation of Enterprise Resource Planning (ERP) System Efficiency by Concentration on Human Resource Management

    , M.Sc. Thesis Sharif University of Technology Hajirasouliha, Rozgol (Author) ; Fattahi Valilai, Omid (Supervisor)
    Abstract
    Business global environments, today, are faced with multiple pressures and changing customer needs that make them to create quick solutions. Enterprise Resource Planning system has attracted organizations that are looking for achieving the competitive advantages, in the past two decades. On the other hand, employees are the greatest asset of any organization and effective utilization of these assets, play an important role in achieving competitive advantage, so planning and managing human resource have a special place in all of the organizations. In this regard, there are several tools, one of them is deploying information systems. Since human resources are the most important part of the... 

    Mutual Operation and Routing Problem Considering Customer Clustering in Cloud Manufacturing

    , M.Sc. Thesis Sharif University of Technology Assari, Mozhgan (Author) ; Fattahi Valilai, Omid (Supervisor)
    Abstract
    Regarding to globalization concept, all companies around the world can communicate with each other, share their technologies and also compensate their production deficiencies. To achieve this goal, cloud manufacturing system have been proposed and investigated. One of the most important issues in cloud manufacturing is focusing on the service composition, in which a composition of cloud services is determined to meet customer demands. Also due to the distribution of the resources in the different points and geographic locations, considering to the production and routing which previously have been studied in the classical space is very important. Considering this, the problem is as follows:... 

    Service Optimization in a Cloud Supply Network Considering the Total Cost of Cloud Administrative Operations

    , M.Sc. Thesis Sharif University of Technology Asadi, Zahra (Author) ; Valilai Fattahi, Omid (Supervisor)
    Abstract
    Nowadays supply chain literature has met lots of changes due to developments in information technology domain. One of the changes is relevant to the usage of cloud computing domain in manufacturing systems context and programming and managing supply chains would meet changes consequently.Cloud manufacturing development, as an engineering model, has been created as a result of globalization following Internet development. In modern perspective, supply chain planning and management, makes it possible for all elements of supply chain network which are geographically apart to use manufacturing sources and services in the context of presenting and exchanging services. This subject is considered... 

    A Navol Strategic Decision Making Framework for Project Machines & Resources Management

    , M.Sc. Thesis Sharif University of Technology Khavaninzadeh, Esmaeel (Author) ; Fattahi Valilai, Omid (Supervisor)
    Abstract
    Organizations adopts different strategies to manage their resources and equipment. This strategies can be categorized through two distinct group. The first group is outsourcing and the second one is in-house management. In some organizations due to the strategic aspects of the equipment, the competitive advantage or restrictive policies, there is a low tendency for outsourcing. Through this approach, the equipment and resources are idle due to partial need on organization. This causes a high amount of investment blockage which faces the organization with high cost of missing investment opportunities. Through the strategic insight, the capitals which have a high potential for making revenue... 

    A Knowledge Oriented Framework to Enable New Service Development Using Axiomatic Design Theory: Focusing on Hotel Business Models

    , M.Sc. Thesis Sharif University of Technology Hasanpour Esfahlan, Elnaz (Author) ; Fattahi Valilai, Omid (Supervisor)
    Abstract
    In this research, the concept of new service development for Hotel industry is considered. As the concept of new service development encounters both business model structures and the required analysis for validation, the thesis has used the axiomatic design theory to evaluate the required service elements. Axiomatic Design framework as a scientific base for every type of design consists of 4 domains. The first domain named customer domain is the starting point at this research. In order to be prepared for applying in a real case study, customer domain is investigated and analyzed through a business model Canvas with nine building blocks covering all necessary and effective domains in a... 

    A Novel Road Map to Develop a Feasible Framework for Collaboration Management in Tele-working Paradigm Based on Cloud Computing Theory

    , M.Sc. Thesis Sharif University of Technology Edalat Javid, Negin (Author) ; Fattahi Valilai, Omid (Supervisor) ; Mokhtar, Alireza (Co-Advisor)
    Abstract
    Telework is an adaptable method for working which covers an extensive variety of work exercises in circulated associations comprised of people with robots and independent frameworks. From the levels of Nano and micro frameworks and gadgets the distance to the level of worldwide undertaking systems, beneficial work is reshaped by E-Work or Telework or Telecommute. The current work stresses on the part of learning administration as an empowering influence of E-Working standard. The four primary circles of information in e-Work related are: ‘‘e-Work”, ‘‘Integration , Coordination and Collaboration”, ‘‘Distributed Decision Support” and ‘‘Active Middleware”. Cloud computing can be distinguished... 

    A Novel Reliability Model for Information Technology Web services

    , M.Sc. Thesis Sharif University of Technology (Author) ; Fatahi Valilai, Omid (Supervisor)
    Abstract
    The Internet is often used for communication-based applications such as online banking, stock trading, and shopping where service interruption is unacceptable. Thus, analysis of the impact of the failures of hardware, software, and related services’ performance quality of the service provided to users is of importance to designers and managers in these functions. In this study, we developed a strategy to the design of a dynamic combination of file servers with the aim of providing reliability and SLA. At first, we examine the reasons for the violation of service level in file host services and datacenters, and then we introduce the criteria to measure the violation of service level on the... 

    A Meta Heuristic Approach for Design of a Network System in Mass Customization

    , M.Sc. Thesis Sharif University of Technology Puresmaili, Ehsan (Author) ; Fattahi, Omid (Supervisor)
    Abstract
    This study discusses about mass customization and optimization of supply network in which both goal considering to set the flow of raw material and final product to satisfy the customer demand. The mass customization is more important concept in this study, so that this goal is placed to the first objective. In this research, the model which contained both goal is presented. The model focus on mass customization and try to satisfy various products demand, which constitute 3 kind of speed demands. Each product can satisfy in 3 way: fast, normal, slow.In the first model the new approach present in which the speed affects all of supplying, manufacturing and distributing system. The system try... 

    Identifying the risks of Iranian Knowledge BasedFirms Using Fault Tree Analysis (FTA)

    , M.Sc. Thesis Sharif University of Technology Sarhadi, Maryam (Author) ; Fattahi, Omid (Supervisor)
    Abstract
    Knowledge Based Firms are considered to be important for the economic development of a country in regards to both employment growth and innovative activity. The latter is believed to contribute significantly to the increase in productivity and therefore the competitiveness of Iran’s economy. This study contributes to the above literature by investigating the factors that are believed to treat the growth of such firms in Iran. The purpose of this study is to identify functional risks of vital signs monitors via Fault Tree Analysis (FTA) method to use as a guide for manufacturers to identify and control hazards. Therefore, 30 knowledge based firms were selected as sample. Then, based on a... 

    Development of a novel solution to enable integration and interoperability for cloud manufacturing

    , Article 6th International Conference on Changeable, September 2016 through 6 September 2016 ; Volume 52 , 2016 , Pages 6-11 ; 22128271 (ISSN) Delaram, J ; Fatahi Valilai, Omid ; Sharif University of Technology
    Elsevier B. V  2016
    Abstract
    Nowadays, manufacturing enterprises have been faced with a globalized competitive environment. In this fierce condition, Cloud Manufacturing paradigm emerged as a promising concept for competition. It provides effective solutions and tools for manufacturing enterprises to collaborate in globalized market. The revolution that Cloud Manufacturing has created is based on the redefinition of the classic methods to those which are appropriate for todays' modern and globalized manufacturing environments. In parallel with cloud-based revolution, the expansion of internet-based technologies has been started. These technologies previously have been applied in many fields and resulted in... 

    Product Portfolio Management Using Life Cycle Considerations

    , M.Sc. Thesis Sharif University of Technology Ebrahimian, Mahsa (Author) ; Fattahi, Omid (Supervisor)
    Abstract
    Today’s organizations always encounter limitations on the way of achieving their goals. Budget constraint, inventory constraints, capital constraints are issues which complicates management decision making.
    Global market has enabled manufacturers compete globally. Even position their factories in other countries and use of competitive advantages and other markets demand. This is why decision making in production and manufacturing domain has been complicated. Decision making in production and manufacturing should become faster and more precise in order to keep market competitiveness. Organization should make long term or strategic decisions and short term decisions about keeping the... 

    Strategic Requirements of Petroleum Upstream Supply Chain Management

    , M.Sc. Thesis Sharif University of Technology Khorrami, Hamed (Author) ; Fatahi Valilai, Omid (Supervisor)
    Abstract
    Nowadays the concept of competition in business has been expanded from enterprises to supply chains. For success in this competitive environment, it should be established complete coordination and synchronization between different rings of the chain in both strategy and operations. The supply chain management is a factor for achieving to this purpose. Effective supply chain management, especially in complex supply chains like petroleum upstream supply chain, requires to strategic factors that propel the chain to the long term goals. Unfortunately, it is showing off the vacancy of attending to this case in the literature. This thesis tries to fill this gap in literature with a new approach... 

    Propose a Model to Minimize Energy Consumption in Turning Machining Operations

    , M.Sc. Thesis Sharif University of Technology Fazli, Erfan (Author) ; Fatahi-Valilai, Omid (Supervisor)

    An Approach for Change Management in Enterprises Using Novel Capabilities in Social Networks

    , M.Sc. Thesis Sharif University of Technology Haghshenas, Mina (Author) ; Fatahi Valilai, Omid (Supervisor)
    Abstract
    In today's turbulent environment, change is considered as requirements of any business and organizations need to change in order to remain competitive. Change management includes: control the processes of change within the organization and its compatibility with its processes in different organizational levels (group and individual). Lately organizations are realizing the power of social networks and their analytics to solve business challenges and produce innovation, and a growing trend of using social networks is seen. A social network is defined as a set of people, organizations or other social entities, connected by a set of socially meaningful relationships. According to this fact, the... 

    A Novel Framework for Virtual Computer Integrated Manufacturing Paradigm Using Axiomatic Design Theory

    , M.Sc. Thesis Sharif University of Technology Delaram, Jalal (Author) ; Fatahi Valilai, Omid (Supervisor)
    Abstract
    Nowadays, the manufacturing environments have been faced with the globalization paradigm. This paradigm urges the new necessities for manufacturing environments like concentration on customer demands, focus on increase of quality and its continuous improving trend and shortening the products’ lifecycle. These necessities have been considered by many researchers and have led to different ideas in the field of effective and efficient product development and after sales services. Computer Integrated Manufacturing (CIM) is known as the major research field for study, development and proposal of effective IT solutions to fulfill the aforementioned necessities. This research filed has resulted to... 

    A Novel Framework for Iteration Planning in Unified Software Development Project Methodology

    , M.Sc. Thesis Sharif University of Technology Kooshani, Arash (Author) ; Fatahi Valilai, Omid (Supervisor)
    Abstract
    Software development project management has always faced a lot of challenges and the success rate in these type of projects has always been lower than other types of projects. Information systems development projects have lots of complexities and the project management process in these projects is so important and critical. In order to solve some challenges and problems of information systems project management, iterative and incremental methodologies are presented. Lots of researches are conducted about traditional methods of project management and but there are still a lot of unknowns about iterative approach and management using this approach especially in the context of planning and time... 

    A new Model for Mutual Logistic and Operation Outsourcing Considering Flexibility in Operation Process Chart (OPC) Selection

    , M.Sc. Thesis Sharif University of Technology Malek, Mahsa (Author) ; Fatahi Valilai, Omid (Supervisor)
    Abstract
    Cloud Manufacturing is a new paradigm which under development and has been introduced as one of the promising models for providing ubiquitous, convenient, on-demand network access to a shared pool of configurable manufacturing resources (e.g, networks, servers, facilities, applications, robots, machines and services) that can be rapidly provisioned with minimal management effort and service provider’s interaction. Cloud Manufacturing is defined based on Cloud Computing. Like the Cloud Computing, Cloud Manufaturing offers a service-oriented architecture that is based on information technology (IT) in which each manufacturing resources is expressed as a service. For providing a... 

    A New Model for Vehicle Routing Problem (VRP) Considering Cross Docking Services in Cloud Manufacturing Systems

    , M.Sc. Thesis Sharif University of Technology Dejkam, Rahil (Author) ; Fatahi Valilai, Omid (Supervisor)
    Abstract
    Nowadays, the modern manufacturing dramatically has changed due to the intense global competition and the globalization of economics, resources, and rapid progress in manufacturing systems, information, computer and information management. Cloud manufacturing systems are a new network-based manufacturing paradigm which by utilizing cloud computing and service generation enables technologies to transfer manufacturing resources into manufacturing services. Moreover, recent researches have shown that security, reliability, and quality are enhanced by cloud computing systems. In cloud manufacturing systems, resources that are located in different geographic points enable the distribution of... 

    A Novel Service Selection in Cloud Manufacturing System Considering Uncertainty and Strategic Perspective

    , M.Sc. Thesis Sharif University of Technology Abbaspour, Solmaz (Author) ; Fatahi Valilai, Omid (Supervisor)
    Abstract
    Nowadays. global competition in manufacturing industries is increasing dramatically. In fact, the traditional production systems are not able to satisfy the needs of customers whom their production complexity is increasing. In order to fulfill the mentioned challenge, a new manufacturing system entitled “cloud Manufacturing” is introduced. In this new paradigm, manufacturing resources and capabilities of production are virtualized through internet and in the whole life cycle of manufacturing and production. These resources are available for end-users via the internet based on an XaaS (everything as aservice) approach. Moreover, although there are some limitations when manufacturing services...