If you would like to write for this, or any other Emerald publication, then please use our Emerald for Authors service information about how to choose which publication to write for and submission guidelines are available for all. Please visit www.emeraldinsight.com/authors for more information. About Emerald www.emeraldinsight.comEmerald is a global publisher linking research and practice to the benefit of society. The company manages a portfolio of more than 290 journals and over 2,350 books and book series volumes, as well as providing an extensive range of online products and additional customer resources and services.Emerald is both COUNTER 4 and TRANSFER compliant. The organization is a partner of the Committee on Publication Ethics (COPE) and also works with Portico and the LOCKSS initiative for digital archive preservation. AbstractPurpose -This paper aims to provide a criteria-based evaluation framework for assessing knowledge management system (KMS) development methodologies. Design/methodology/approach -The evaluation criteria have been elicited based on the features expected from a successful KMS. Furthermore, a number of prominent KMS development methodologies have been scrutinized based on the proposed evaluation framework. Findings -It was demonstrated that the proposed evaluation framework is detailed and comprehensive enough to reveal the strengths and weaknesses of KMS development methodologies. It was also revealed that even though the evaluated methodologies possess certain strong features, they suffer from several shortcomings that need to be addressed. Research limitations/implications -The evaluation framework has not been applied to all existing KMS development methodologies; however, the evaluation does cover the most comprehensive methodologies which exist in the research context. Practical implications -The results of this research can be used for the following purposes: organizational goal-based selection of KMS development methodologies, evolution of existing KMS development methodologies and engineering of tailored-to-fit KMS development methodologies. Originality/value -The proposed evaluation framework provides a comprehensive and detailed set of criteria for assessing general, area-specific and context-specific features of KMS development methodologies. KMS developers can select the methodology which best fits their requirements based on the evaluation results. Furthermore, method engineers can extend existing methodologies or engineer new ones so as to satisfy the specific requirements of the project at hand.
Using Taylor's series, we propose a modified secant relation to get a more accurate approximation of the second curvature of the objective function. Then, using this relation and an approach introduced by Dai and Liao, we present a conjugate gradient algorithm to solve unconstrained optimization problems. The proposed method makes use of both gradient and function values, and utilizes information from the two most recent steps, while the usual secant relation uses only the latest step information. Under appropriate conditions, we show that the proposed method is globally convergent without needing convexity assumption on the objective function. Comparative results show computational efficiency of the proposed method in the sense of the Dolan-Moré performance profiles.
Powerful organizations are those that manage their power factors efficiently; organizational resources are considered vital power factors, and Knowledge is one of the most important resources to manage. There is no universally accepted Knowledge Management (KM) process, but it is known that establishing the appropriate knowledge flows in the organization is the main goal of organizational KM. A Knowledge Management System (KMS) is an information system which supports the KM process, mainly by providing the required knowledge and enhancing its flow. Organizations increasingly feel the need for appropriate methodologies for developing their target KMSs. However, existing KMS development methodologies are not comprehensive enough to satisfy all organizational needs. In this paper, we propose an abstract KMS development methodology which alleviates the weaknesses of existing methodologies while reusing their strengths. Method engineers can develop concrete methodologies by instantiating the proposed abstract methodology and adding the necessary detail, thus producing bespoke methodologies which are best suited to organizational needs.
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