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Strategic information systems (SIS) are information systems that are developed in response to corporate business initiative. They are intended to give competitive advantage to the organization. They may deliver a product or service that is at a lower cost, that is differentiated, that focuses on a particular market segment, or is innovative. Strategic information management (SIM) is a salient feature in the world of information technology (IT). In a nutshell, SIM helps businesses and organizations categorize, store, process and transfer the information they create and receive. It also offers tools for helping companies apply metrics and analytical tools to their information repositories, allowing them to recognize opportunities for growth and pinpoint ways to improve operational efficiency. Some of the key ideas of storefront writers are summarized. These include Michael E. Porter's Competitive Advantage and the Value Chain, Charles Wiseman’s Strategic Perspective View and the Strategic Planning Process, F. Warren McFarlan’s Competitive Strategy〔https://hbr.org/1985/07/how-information-gives-you-competitive-advantage〕 with examples of Information Service’s Roles, and Gregory Parson’s Information Technology Management at the industry-, firm-, and at the strategy level. == History == The concept of SIS was first introduced into the field of information systems in 1982-83 by Dr. Charles Wiseman, President of a newly formed consultancy called "Competitive Applications," (cf. NY State records for consultancies formed in 1982) who gave a series of public lectures on SIS in NYC sponsored by the Datamation Institute, a subsidiary of Datamation Magazine. The following quotations from the preface of the first book〔 establishes the basic idea behind the notion of SIS: :"I began collecting instances of information systems used for strategic purposes five years ago, dubbing them "strategic information systems" (Internal Memo, American Can Company (Headquarters), Greenwich, CT, 1980). But from the start I was puzzled by their occurrence. At least theoretically I was unprepared to admit the existence of a new variety of computer application. The conventional view at the time recognized only management information systems, and management support systems, the former used to satisfy the information needs and the latter to automate basic business processes of decision makers. (Cf. articles by Richard L. Nolan, Jack Rockart, Michael Scott Morton, et al. at that time)...But as my file of cases grew, I realized that the conventional perspective on information systems was incomplete, unable to account for SIS. The examples belied the theory,and the theory in general blinded believers from seeing SIS. Indeed, some conventional information systems planning methodologies, which act like theories in guiding the systematic search for computer application opportunities, exclude certain SIS possibilities from what might be found. (ibid.)" :"This growing awareness of the inadequacy of the dominant dogma of the day led me to investigate the conceptual foundations, so to speak, of information systems. At first, I believed that the conventional gospel could be enlarged to accommodate SIS. But as my research progressed, I abandoned this position and concluded that to explain SIS and facilitate their discovery, one needed to view uses of computer (information) technology from a radically different perspective." :"I call this the strategic perspective on information systems (technology). The chapters to follow present my conception of it. Written for top executives and line managers, they show how computers (information technology) can be used to support or shape competitive strategy." 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Strategic information system」の詳細全文を読む スポンサード リンク
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