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Portfolio Theory Approach For Selecting and Managing IT Projects 选择和管理IT项目的投资组合理论方法
IF 1.4
Information Resources Management Journal Pub Date : 1995-10-01 DOI: 10.4018/IRMJ.1995100101
M. Keil, Jack T. Marchewka
{"title":"Portfolio Theory Approach For Selecting and Managing IT Projects","authors":"M. Keil, Jack T. Marchewka","doi":"10.4018/IRMJ.1995100101","DOIUrl":"https://doi.org/10.4018/IRMJ.1995100101","url":null,"abstract":"Effective IT planning remains a key issue for managers who seek to maximize the return on their investments in information systems. Managing the risks associated with investments in IT represents an important, but understudied, aspect of the IT planning process. Recognizing that individual projects carry different levels of risk, it has been suggested that managers adopt a portfolio approach toward investments in IT. Under such an approach, individual projects would be evaluated not just on their own merits but on the basis of their contribution to the overall risk of an organization's IT project portfolio. While the portfolio approach has intuitive appeal, it has been criticized for failing to provide a more direct linkage between the concepts of risk and return. In this paper, we draw upon financial portfolio theory to extend and explore the concept of a portfolio approach to managing IT project risk. In particular, we present a model that assesses an individual project in terms of its contribution to the overall risk of the IT project portfolio. The properties of the model are then examined using a simple two-project portfolio. A simulation using the model illustrates how an IT manager can take maximal advantage of the effect of diversification by selecting projects that are negatively correlated. In short, the paper demonstrates how to manage the risk/return tradeoff through careful selection of IT projects and appropriate allocation of resources among these projects.","PeriodicalId":44735,"journal":{"name":"Information Resources Management Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1995-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70476505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
The Expert's Opinion 专家意见
IF 1.4
Information Resources Management Journal Pub Date : 1995-07-01 DOI: 10.4018/IRMJ.1994100104
Beth Green
{"title":"The Expert's Opinion","authors":"Beth Green","doi":"10.4018/IRMJ.1994100104","DOIUrl":"https://doi.org/10.4018/IRMJ.1994100104","url":null,"abstract":"INTERVIEWEE PROFILE: GE Information Services, Inc., a global leader in electronic commerce services, provides commerce express, electronic messaging, electronic data interchange, and information management services along with consulting and systems integration and implementation to link more than 25,000 businesses around the world. Headquartered in Rockville, Maryland, GE Information Services, Inc. is a subsidiary of GE, a global technology services and manufacturing company.","PeriodicalId":44735,"journal":{"name":"Information Resources Management Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1995-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70476116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Disaster Recovery Planning for Information Systems 信息系统的灾难恢复计划
IF 1.4
Information Resources Management Journal Pub Date : 1995-07-01 DOI: 10.4018/IRMJ.1995070102
Sooun Lee, S. Ross
{"title":"Disaster Recovery Planning for Information Systems","authors":"Sooun Lee, S. Ross","doi":"10.4018/IRMJ.1995070102","DOIUrl":"https://doi.org/10.4018/IRMJ.1995070102","url":null,"abstract":"In a society where individuals are linked to one another through the conduits of expansive media technology, nearly everyone has experienced, or at least witnessed, the vast devastation which occurs when disaster strikes. The need for businesses to have the ability to survive when any form of disaster strikes becomes paramount as more and more US corporations are relying on data and information systems IS for performing their main operations. Authors are suggesting a five-step guideline for developing and implementing a disaster recovery plan DRP.","PeriodicalId":44735,"journal":{"name":"Information Resources Management Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1995-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70476448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
The Effectiveness Of Graphic And Tabular Presentation Under Time Pressure And Task Complexity 时间压力和任务复杂性下图形和表格表达的有效性
IF 1.4
Information Resources Management Journal Pub Date : 1995-07-01 DOI: 10.4018/IRMJ.1995070103
M. Hwang
{"title":"The Effectiveness Of Graphic And Tabular Presentation Under Time Pressure And Task Complexity","authors":"M. Hwang","doi":"10.4018/IRMJ.1995070103","DOIUrl":"https://doi.org/10.4018/IRMJ.1995070103","url":null,"abstract":"Time pressure affects decision making and, therefore, should be considered in the design of decision support systems. Although long recognized as an important variable, time pressure has received little attention from information systems researchers. This research empirically tested the effects of presentation format, time pressure, and task complexity on decision performance. The objective was to determine the effective presentation format graphics or tables for the performance of tasks of varying complexities by decision makers under time pressure. Results showed that when time pressure was low, the effectiveness of the two presentation formats depended on the type and complexity of the task. With increasing time pressure graphics generally were found more advantageous. The findings add to the literature by showing the superiority of graphics over tables in supporting decision making under time pressure.","PeriodicalId":44735,"journal":{"name":"Information Resources Management Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1995-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70476498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Exploring a Gap Model of Information Services Quality 信息服务质量差距模型探索
IF 1.4
Information Resources Management Journal Pub Date : 1995-07-01 DOI: 10.4018/IRMJ.1995070101
William J. Kettinger, Choong-C. Lee
{"title":"Exploring a Gap Model of Information Services Quality","authors":"William J. Kettinger, Choong-C. Lee","doi":"10.4018/IRMJ.1995070101","DOIUrl":"https://doi.org/10.4018/IRMJ.1995070101","url":null,"abstract":"Due to the growth of end-user computing, information technology IT decentralization and alternative sources of supply, the information systems IS function now serves customers that possess substantial discretion in their use and purchase of IS services. To continue to effectively deliver systems and services that IS customers perceive valuable, IS management must become expert in determining and assessing IS customers' expectations and perceptions. One important source of guidance in such a market-driven environment is to look to the service marketing and operations literature for frameworks that may permit IS to more effectively determine and convey customer value of IS services and IT. This paper outlines IS service quality improvement as a means to cope with this customer-driven IS environment. Specifically, it adapts a widely accepted conceptual \"gap\" model from the marketing field as a framework for IS service quality management. This model has as its premise that service quality improvement is a continual process of determining and comparing customer expectations and perceptions and, then, modifying products and services based on the results of this assessment. Applications of this model in both research and practice are discussed.","PeriodicalId":44735,"journal":{"name":"Information Resources Management Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1995-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70476322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 44
Systems Theory and Information Resources Management: Integrating Key Concepts 系统理论与信息资源管理:整合关键概念
IF 1.4
Information Resources Management Journal Pub Date : 1995-04-01 DOI: 10.4018/IRMJ.1995040101
R. McLeod
{"title":"Systems Theory and Information Resources Management: Integrating Key Concepts","authors":"R. McLeod","doi":"10.4018/IRMJ.1995040101","DOIUrl":"https://doi.org/10.4018/IRMJ.1995040101","url":null,"abstract":"Since the introduction of the computer as a business tool some forty years ago, its role in the firm has become increasingly complex. In the middle of this evolving complexity is the person who has the greatest responsibility for computer use in the firm-the chief information officer, or CIO. The 1980s saw an ascension in the CIO's status within the firm, reaching a position of parity with vice presidents of other functional areas. The 1990s, however, are seeing indications that the CIO's responsibility is eroding. Firms are beginning to pursue strategies that disburse more and more of their information resources throughout the organizational units, and give information processing responsibilities to outsourcers. If firms are to engage in strategic planning for their information resources and engage in information resources management, there must be a clear understanding of the forces that influence computer use and the role of the CIO in managing these forces. As a means of achieving such an understanding, the author explores the possible application of systems theory. The result is a normative structure that makes it possible to evaluate the extent to which a firm practices information resources management, and to project future trends in the role of such component elements as the CIO and the information systems unit","PeriodicalId":44735,"journal":{"name":"Information Resources Management Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1995-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70476533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 26
An Intelligent Agent for Prioritizing E-Mail Messages 电子邮件消息优先排序的智能代理
IF 1.4
Information Resources Management Journal Pub Date : 1995-04-01 DOI: 10.4018/IRMJ.1995040102
L. Motiwalla
{"title":"An Intelligent Agent for Prioritizing E-Mail Messages","authors":"L. Motiwalla","doi":"10.4018/IRMJ.1995040102","DOIUrl":"https://doi.org/10.4018/IRMJ.1995040102","url":null,"abstract":"The proliferation of telecommunication networks, like Internet and Bitnet, has promoted electronic mail e-mail into a viable business communication tool with widespread use that traverses all levels of management. In some organizations, e-mail users are being overwhelmed with a barrage of useless messages or \"electronic junk\" mail. This interferes with a user's information processing capability and causes a negative effect on usefulness of this communication tool. This paper addresses the issue of time management by reducing information overload in email. A knowledge-based agent, called AIMS, was developed to prioritize e-mail messages. AIMS is different from other systems in three ways: 1 it does not burden users with the task of creating or maintaining message prioritizing rules, 2 it uses a user's personal knowledge or preferences with organizational considerations for prioritizing messages, and 3 it was evaluated at an academic institution with a group of 46 e-mail users who found the prioritized list generated by AIMS highly accurate.","PeriodicalId":44735,"journal":{"name":"Information Resources Management Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1995-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70476181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
The Expert's Opinion 专家意见
IF 1.4
Information Resources Management Journal Pub Date : 1995-04-01 DOI: 10.4018/IRMJ.1995040104
C. Goldsborough
{"title":"The Expert's Opinion","authors":"C. Goldsborough","doi":"10.4018/IRMJ.1995040104","DOIUrl":"https://doi.org/10.4018/IRMJ.1995040104","url":null,"abstract":"Keynote address to the 1994 Information Resources Management Association International Conference in San Antonio, Texas by Cloene Goldsborough Sprint Corporation","PeriodicalId":44735,"journal":{"name":"Information Resources Management Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1995-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70476300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling Requirements for Future CASE: Modeling Issues and Architectural Consideration 未来案例的建模需求:建模问题和体系结构考虑
IF 1.4
Information Resources Management Journal Pub Date : 1995-01-01 DOI: 10.4018/IRMJ.1995010102
K. Lyytinen, P. Marttiin, M. Rossi, K. Smolander, Veli-Pekka Tahvanainen, Juha-Pekka Tolvanen
{"title":"Modeling Requirements for Future CASE: Modeling Issues and Architectural Consideration","authors":"K. Lyytinen, P. Marttiin, M. Rossi, K. Smolander, Veli-Pekka Tahvanainen, Juha-Pekka Tolvanen","doi":"10.4018/IRMJ.1995010102","DOIUrl":"https://doi.org/10.4018/IRMJ.1995010102","url":null,"abstract":"In this paper we discuss some requirements for future CASE Computer Aided Software/Systems Engineering environments. These requirements include increased modifiability and flexibility as well as support for process and agent models. We claim that they can only be addressed by developing more powerful representation and modeling techniques. As a possible basis for modeling various techniques, we outline a general information architecture for a future CASE environment. In addition, we propose primitive types for specifying techniques, the development process, and agent models, and use these types for modeling an example methodology and examine how the requirements are or can be supported in our example.","PeriodicalId":44735,"journal":{"name":"Information Resources Management Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70475797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 26
Issues in Economic Justification for Flexible Manufacturing Systems and Some Guidelines for Managers 柔性制造系统的经济合理性问题及管理指南
IF 1.4
Information Resources Management Journal Pub Date : 1995-01-01 DOI: 10.4018/IRMJ.1995010103
S. Pant, L. Ruff
{"title":"Issues in Economic Justification for Flexible Manufacturing Systems and Some Guidelines for Managers","authors":"S. Pant, L. Ruff","doi":"10.4018/IRMJ.1995010103","DOIUrl":"https://doi.org/10.4018/IRMJ.1995010103","url":null,"abstract":"Information technology has enabled substantial automation of manufacturing functions by way of computer integrated manufacturing and flexible manufacturing systems. These systems offer many benefits but also require substantial long term capital investment. Traditional cost accounting and capital budgeting techniques fail to fully justify installation of these systems. A substantial quantity of literature in this field is reviewed to come up with the existing state of affairs in manufacturing automation and economic justification of flexible manufacturing systems. Economic justification of flexible manufacturing systems on broader basis than provided by traditional methods appears to be not only desirable but also imperative for manufacturing firms going in for them. Based on literature review, some guidelines have been culled for managers to enable them to invest in these systems on a more rational basis and with more confidence. A bibliography of articles and research papers provides further references and readings to practitioners in this area.","PeriodicalId":44735,"journal":{"name":"Information Resources Management Journal","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70476380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
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