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2011 International Conference on e-Education, Entertainment and e-management, ICEEE 2011

作者： Ni, Zhiwei Wang, Sha Li, Huaiying School of Management Hefei University of Technology Hefei 230009 China Key Laboratory of Process Optimization and Intelligent Decision-making Ministry of Education Hefei 230009 China

ISBN: (纸本)9781457713811

Workflow mining is a concept in early era, it analyzes the workflow log in the control flow dimensions, to mining the actual process model, but ignores relationships among executors in workflow, hence it fails to effectively excavate the workflow log to find the implicit structure. In this paper, the organizational dimensions of workflow log will be the main focuses to be researched. The paper introduces executor similarity metrics and grid clustering to demonstrate the methods of the organizational structure mining based on executor similarity and organization mining based on grid clustering. Both of them are effective to extract the actual organizational structure from the workflow logs. © 2011 IEEE.

关键词： grid clustering organizational structure workflow mining

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A method based on manifold learning and bagging for text classification

A method based on manifold learning and bagging for text cla...

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2011 2nd International Conference on Artificial Intelligence, management Science and Electronic Commerce, AIMSEC 2011

作者： Li, Feng Gang Fan, Ji Li Wang, Li Zhang, Hu Lin Duan, Rui School of Management Hefei University of Technology Hefei 230009 China Key Laboratory of Process Optimization and Intelligent Decision-making Ministry of Education Hefei University of Technology Hefei 230009 China

ISBN: (纸本)9781457705366

In order to solve the problem of high dimension in text classification, the paper proposes a method based on manifold learning and Bagging for text classification which imports manifold learning algorithm for dimension *** Bagging algorithm is introduced when training classifier to improve the accuracy of text classification. Experimental results demonstrate that effect of text dimension reduction by manifold learning algorithm in the pretreatment of text classification is better, and the performance of the classifier has improved significantly. © 2011 IEEE.

关键词： Classification (of information)

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The research on the risks & the countermeasures of the distributed IT projects

The research on the risks & the countermeasures of the distr...

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International Conference on Computer and management

作者： Zhu, Yinghong Liang, Changyong School of Management Hefei University of Technology Heifei Anhui China School of Vocational Technology Education Guangxi University of Technology Liuzhou Guangxi China Key Laboratory of Process Optimization and Intelligent Decision-Making Ministry of Education Heifei Anhui China

ISBN: (纸本)9781424492831

Nowadays, more and more large IT projects need to unit several entities to accomplish together, which forms project-oriented and geographically distributed virtual organizations and leads to new distributed risks. This article first gives a definition of the distributed IT projects (DITPs), then based on the literature, studies the risk characteristics, risk scope, risk factors of DITPs, and finally studies the developing process of the DITPs and gives a risk management process of iterative and incremental agile development of the whole lifecycle of the DITPs from a few respects such as the set of an organization goal of win-win, the project development of grading iteration and increment, the introduction supervisory mechanism of a third party, and the establishment of study mechanism of risk management. ©2011 IEEE.

关键词： Grading

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Equilibrium Conditions In Service Supply Chain

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Procedia Engineering 2011年 15卷 5100-5104页

作者： Fei Cheng Shanlin Yang Xijun Ma School of Management Hefei University of Technology Hefei 230009 China Key Laboratory of Process Optimization and Intelligent Decision-making Ministry of Education Anhui 230009China

Service supply chain features human players as service vendor, service integrator, customer and service resource. It tends to be digitally connected, such as consulting, e-business and integrated enterprises. Our study uses a formal model and simulations to develop the effect of a service supply chain on equilibrium computation. Two insights arise on how a network can obtain equilibrium computation: forming the network structure of service supply chain; exploring entities behavior and equilibrium conditions. These results highlight the importance for service supply chain of adapting its network structure to equilibrium and application.

关键词： service supply chain service volume equilibrium

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Independent innovation capability evaluation and analysis on Wanjiang city-zone

Independent innovation capability evaluation and analysis on...

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2011 International Conference on Computer Science and Service System, CSSS 2011

作者： Zhang, Dengzhou Gao, Yuanyuan Peng, Zhanglin School of Management Hefei University of Technology Hefei China Finance Department of China Electronics Technology Group Corporation Beijing China Institute of Computer Network System Hefei University of Technology Hefei China Key Laboratory of Process Optimization and Intelligent Decision-making Ministry of Education Hefei China

ISBN: (纸本)9781424497638

As the capacity of independent innovation is a vital measure standard for the success of a city's construction, the goal of this paper is to analyze and comment it. In order to make the research result more objective and precise, a system of evaluating indicator which includes the ability of innovation input, management, guarantee and output has been established. Moreover, by using the method of Principal Component Analysis, the capacity for independent innovation of nine cities in the Wanjiang city-region is clearly realized. Finally, hoping that this paper would be helpful to the construction of Wanjiang city-region for industrial transfer and provide a policy basis for the macroscopic readjustment and control as well as management. © 2011 IEEE.

关键词： Principal component analysis

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Mining organizational structure from workflow logs

Mining organizational structure from workflow logs

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International Conference on e-Education, Entertainment and e-management (ICEEE)

作者： Zhiwei Ni Sha Wang Huaiying Li School of Management Hefei University of Technology Hefei China Key Laboratory of Process Optimization and Intelligent Decision-making Ministry of Education Hefei China

ISBN: (纸本)9781457713811

关键词： Artificial neural networks

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The construction of performance management system based on balanced scorecard

The construction of performance management system based on b...

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2011 International Conference on Computer Science and Service System, CSSS 2011

作者： Zhang, Dengzhou Peng, Zhanglin Gao, Yuanyuan School of Management Hefei University of Technology Hefei China Finance Department of China Electronics Technology Group Corporation Beijing China Institute of Computer Network System Hefei University of Technology Hefei China Key Laboratory of Process Optimization and Intelligent Decision-making Ministry of Education Hefei Hefei China

ISBN: (纸本)9781424497638

In China, there are many actual problems in some enterprises' performance management, such as the target dislocation, the unscientific assessment indicator, the assessment results' not linking to rewards and punishments, assessment system solidification and so on. All these problems have affected the effectiveness display of performance management to a great extent. In view of this, this article has constructed performance management system based on the balanced scorecard, taking advantage of balanced scorecard in the strategic management and the performance management. Finally, the article demonstrates the validity and rationality of the research through the case study of Company A. © 2011 IEEE.

关键词： Companies Finance Marketing and sales Military communication Qualifications balanced scorecard performance indicator performance management strategy management

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An efficient method for improving query efficiency in data warehouse

Journal of Software

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Journal of Software 2011年第5期6卷 857-865页

作者： Ni, Zhiwei Guo, Junfeng Wang, Li Gao, Yazhuo School of Management Hefei University of Technology Hefei Anhui China Key Lab of Process Optimization and Intelligent Decision-making Ministry of Education Hefei Anhui China

There are lots of performance bottlenecks for real-time queries in mass data. Many methods can only improve the efficiency for frequently used queries, but it is not advisable to neglect the non-frequently used queries. This paper proposes a new integrated index model called BBI and illustrates the application of this model. Based on the feature of data warehouse and OLAP queries, this index model is built with inverted index, aggregation table, bitmap index and b-tree. It greatly promotes not only the efficiency of frequently used queries, but also the performance of other queries. The analytical and experimental results demonstrate the utility of BBI. © 2011 ACADEMY PUBLISHER.

关键词： Data warehouses

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Using information entropy as weight determination approach in breast cancer case retrieval

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2011 International Conference on Advanced Materials and Information Technology processing(AMITP 2011)

作者： Dongxiao Gu Changyong Liang Wenen Chen Wenxing Lu Chunrong Zuo School of Management at Hefei University of Technology Key Laboratory of Process Optimization and Intelligent Decision-making of Ministry of Education of China Research Center of Intelligent Decision Making and Information System Technologies of Ministry of Education of China

ISBN: (纸本)9783037851555

Currently, the earlier detection, diagnosis and treatment to breast cancer still mainly depend on physicians' experience and knowledge. Case-Based Reasoning(CBR) mimics oncologists' real thinking process and therefore is appropriate to the diagnosis decision making. In CBR, weight derivation as a key step is commonly conducted by expert score approaches using Delphi method. The accuracy of case matching largely changes with the selection and experience of experts. In this paper, information entropy for weight determination is introduced into the CBR. We conduct experimental studies to compare the performance of Delphi method and information entropy. The results suggest that: generally, information entropy is a better approach to weight derivation.

关键词： weight determination,case matching,cased-based reasoning,breast cancer,information entropy,intelligent decision support,medical expert systems,knowledge-based systems

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Service-oriented partner selection process model and algorithm for dynamic virtual enterprise

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Journal of Computational Information Systems 2011年第14期7卷 5159-5166页

作者： Zhang, Yiwen Ni, Zhiwei Song, Jie Wang, Li Key Laboratory of Process Optimization and Intelligent Decision-making Ministry of Education Hefei University of Technology Hefei 230009 China School of Computer Science and Technology Anhui University Hefei 230009 China

The key link of constructing a virtual enterprise is to choose a cooperation partner who has the characteristics of sensitive, competitive and compatible. To solve the large scale partner selection under the environment of networked collaborative manufacturing, this paper puts forward a service-oriented dynamic virtual enterprise partner selection process model. Based on this, it further combining parallel genetic algorithm (PGA) with interactive genetic algorithm (IGA), and put forward a kind of phases of partner selection strategy. Use of each enterprise service enterprise constraint of preliminary screening to reduce problem solving space, top-k kinds of optimizing enterprise service composition can be achieved using PGA. Then, the optimal partner composition is acquired using IGA under mutual cooperation of group decision-making and evolution mechanism conditions. Finally, through the experiments proved its rationality and feasibility. © 2011 Binary Information Press December, 2011.

关键词： Problem solving

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