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8th Bayesian Modeling ApplicationsWorkshop, BMAW 2011

作者： Lupínska-Dubicka, Anna Druzdzel, Marek J. Faculty of Computer Science Bialystok University of Technology Wiejska 45A 15-351 Bialystok Poland Decision Systems Laboratory School of Information Sciences and Intelligent Systems Program University of Pittsburgh Pittsburgh PA 15260 United States

Most practical uses of Dynamic Bayesian Networks (DBNs) involve temporal inuences of the first order, i.e., inuences between neighboring time steps. This choice is a convenient approximation inuenced by the existence of efficient algorithms for first order models and limitations of available tools. We focus on the question whether constructing higher time-order models is worth the effort when the underlying system's memory goes beyond the current state. We present the results of an experiment with a series of DBN models monitoring woman's monthly cycle. We show that higher order models are significantly more accurate. However, we have also observed overfitting and a resulting decrease in accuracy when the time order chosen is too high.

关键词： Bayesian networks

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A roadmap to the Collaboration Maturity Model (CollabMM) evolution

A roadmap to the Collaboration Maturity Model (CollabMM) evo...

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International Conference on computer Supported Cooperative Work in Design

作者： Andréa Magalhães Magdaleno Renata Mendes de Araujo Cláudia Maria Lima Werner System Engineering and Computer Science Program-COPPE NP2Tec-Research and Practice Group in Information Technology UFRJ Rio de Janeiro Rio de Janeiro Brazil System Engineering and Computer Group in Information Technology Rio de Janeiro RJ Brazil PPGI - Graduate Program in Informatics - UNIRIO NP2Tec - Research and Practice Group in Information Technology Rio de Janeiro RJ Brazil System Engineering and Computer Science Program-COPPE UFRJ Rio de Janeiro Rio de Janeiro Brazil System Engineering and Computer Science Program - COPPEIUFRJ Rio de Janeiro RJ Brazil

Organizations have been relying on collaboration for productivity improvement and knowledge sharing. The first step to foster collaboration in organizations is to make it explicit. With this aim, the Collaboration Maturity Model (CollabMM) was proposed and evaluated. The lessons learned during model applications in previous work pointed out the need to review both the model and its evaluation instruments. A literature review also showed some improvement opportunities. Therefore, the objective of this work is to develop a roadmap to highlight the main opportunities of evolution in CollabMM. These opportunities will compose our research agenda in this topic and guide future work.

关键词： Collaboration Organizations Instruments Coordinate measuring machines Capability maturity model Knowledge management

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An optical-coding method for scattering signal detection in microfluidic cytometers

An optical-coding method for scattering signal detection in ...

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15th International Conference on Miniaturized Systems for Chemistry and Life sciences 2011, MicroTAS 2011

作者： Wu, T.-F. Mei, Z. Pion-Tonachini, L. Zhao, C. Qiao, W. Arianpour, A. Lo, Y.-H. Materials Science and Engineering Program University of California at San Diego San Diego CA 92093-0418 United States Department of Electrical and Computer Engineering University of California at San Diego San Diego CA 92093-0407 United States School of Information and Electronics Beijing Institute of Technology Beijing 100081 China

ISBN: (纸本)9781618395955

In this article, we demonstrated an optical-coding method to detect forward scattering and large angle scattering signals within microfluidic devices. Using silicon photodetectors, we can effectively discriminate the mixture of unlabelled beads and obtain the spatial distribution of beads. The optical coding method improves the signal-to-noise and particle differentiation abilities for lab-on-a-chip flow cytometers. Copyright © (2011) by the Chemical and Biological Microsystems Society.

关键词： Microfluidics

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The influence of antecedent factors of is/it utilization towards organizational performance a case study of iain raden fatah palembang

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WSEAS Transactions on computers 2011年第3期10卷 81-92页

作者： Ekawati, Rika Kharlina Hidayanto, Achmad Nizar STMIK MDP Rajawali Road No.14 Palembang 30113 Indonesia Information Technology Magister Study Program Faculty of Computer Science University of Indonesia Salemba Road No.4 Jakarta 10430 Indonesia

information technology is one thing that is important in supporting the operational success of an organization. In an uncertain environment, information is needed primarily to support the performance of organization in decision-making. information Systems is an orderly combination of human, hardware, software and communication network of data resources, which collect, modify, and distribute information within an organization to support organizational decision-making and control. But before the IS/IT is implemented, it is worth considering the antecedent factors that may be used as reference to see the history before the IS/IT is implemented, whether antecedent factors of IS/IT implementation has correlation and influence on organizational performance. Antecedent factors consist of six aspects, which are social factors, attitudes, support conditions, system complexity, long-term consequences and habits. This study aims to find empirical evidence that there is correlation and influence between antecedent factors of IS/IT implementation and organizational performance. Using Pearson correlation analysis and Regression analysis for the testing, the results obtained showed that attitude, facilitating conditions and system complexity have correlation with organizational performance. Among these, only attitude and facilitating condition that influence organizational performance.

关键词： information systems

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Agile parallel bioinformatics workflow management using Pwrake

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BMC Research Notes 2011年第1期4卷 1-8页

作者： Mishima, Hiroyuki Sasaki, Kensaku Tanaka, Masahiro Tatebe, Osamu Yoshiura, Koh-Ichiro Department of Human Genetics Nagasaki University Graduate School of Biomedical Sciences Nagasaki Nagasaki 1-12-4 Sakamoto Japan Nagasaki University Global Center of Excellence Program Nagasaki Nagasaki 1-12-4 Sakamoto Japan Center for Computational Sciences University of Tsukuba Tsukuba Ibaraki 1-1-1 Tennodai Japan Core Research for Evolutional Science and Technology Japan Science and Technology Agency Kawaguchi Saitama 4-1-8 Honcho Japan Departmentent of Computer Science Graduate School of Systems and Information Engineering University of Tsukuba Tsukuba Ibaraki 1-1-1 Tennodai Japan

Background: In bioinformatics projects, scientific workflow systems are widely used to manage computational procedures. Full-featured workflow systems have been proposed to fulfil the demand for workflow management. However, such systems tend to be over-weighted for actual bioinformatics practices. We realize that quick deployment of cutting-edge software implementing advanced algorithms and data formats, and continuous adaptation to changes in computational resources and the environment are often prioritized in scientific workflow management. These features have a greater affinity with the agile software development method through iterative development phases after trial and error. Here, we show the application of a scientific workflow system Pwrake to bioinformatics workflows. Pwrake is a parallel workflow extension of Ruby's standard build tool Rake, the flexibility of which has been demonstrated in the astronomy domain. Therefore, we hypothesize that Pwrake also has advantages in actual bioinformatics workflows. Findings. We implemented the Pwrake workflows to process next generation sequencing data using the Genomic Analysis Toolkit (GATK) and Dindel. GATK and Dindel workflows are typical examples of sequential and parallel workflows, respectively. We found that in practice, actual scientific workflow development iterates over two phases, the workflow definition phase and the parameter adjustment phase. We introduced separate workflow definitions to help focus on each of the two developmental phases, as well as helper methods to simplify the descriptions. This approach increased iterative development efficiency. Moreover, we implemented combined workflows to demonstrate modularity of the GATK and Dindel workflows. Conclusions: Pwrake enables agile management of scientific workflows in the bioinformatics domain. The internal domain specific language design built on Ruby gives the flexibility of rakefiles for writing scientific workflows. Furthermore, readability

关键词： Ruby Iterative Development Agile Software Development Host Language Bioinformatics Domain

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The analysis and explore for diagnosis of fault strength states of rotator based on return map

The analysis and explore for diagnosis of fault strength sta...

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2011 Fourth International Conference on Intelligent Computation technology and Automation(2011年第四届智能计算技术与自动化国际会议 ICICTA 2011)

作者： Zhao Xiaoping Chen Minfang Hou Rongtao Chu Xiangzhi Wang Bingcheng School of computer and software Nanjing University of information science & technology Nanjing Chin Center of audio-visual education program Tangshan College Tangshan China School of mechanism Shenzhen University Shenzhen China

in the paper, we analyze and study the status character in detail which a rotor of some rotating mechanism exist in some different fault types and different fault strengths. The research result shows that a fault rotor reveals distinct return map images, which the rotor runs hi different malfunction status or different malfunction strengths. The research gives an effective method to explore fault character of complex mechanism chaotic dynamic system.

关键词： return map rotor fault diagnosis chaotic dynamic system

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Comparison of disturbance rejection performance between sliding-mode control and equivalent-input-disturbance approach

Comparison of disturbance rejection performance between slid...

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International Conference on Mechatronics (ICM)

作者： Jinhua She Yaodong Pan Hiroshi Hashimoto Min Wu School of Computer Science Tokyo University of Technology Hachioji Tokyo Japan Control Systems Eng Honeywell Canada Mississauga ONT Canada Master Program of Innovation for Design and Eng Advanced Institute of Industrial Technology Tokyo Japan School of Information Science and Engineering Central South University Changsha China

Sliding mode control (SMC) has been considered as a powerful method for disturbances rejection. On the other hand, we have presented an equivalent-input disturbance (EID) approach to reject disturbances. This paper takes a dual-stage feed drive as an example to compare these two methods. The example shows that, while the EID approach obtains almost the same disturbance rejection performance for matched disturbances as that of the SMC does, it can reject unmatched disturbances. This shows the superiority of the EID approach over SMC method.

关键词： Equations Observers Manganese Frequency control

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Construction of Logical Structures on Specialization Systems

Construction of Logical Structures on Specialization Systems

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World Congress on information and Communication Technologies

作者： Kiyoshi Akama Ekawit Nantajeewarawat Information Initiative Center Hokkaido University Computer Science Program Sirindhorn International Institute of Technology Thammasat University

ISBN: (纸本)9781467301275

A specialization system is an axiomatic structure for specifying a set of atomic formulas and a set of specialization operations on them. This paper formalizes the concept of logical structure and presents three basic ways of logical structure construction, i.e., generating a logical structure from a specialization system, constructing a conjunctive logical structure, and logical structure morphing. Instantiations of the proposed framework in the context of first-order logic, clausal-form logic, and a basic description logic are illustrated. The merits of the framework in understanding different logical systems and logical structure extension are described.

关键词： Logical structure Specialization system Logical structure construction Logical structure extension

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The Role of Positive Emotion in Trust Repair

The Role of Positive Emotion in Trust Repair

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2011 International Conference on Financial Management and Economics（ICFME 2011）

作者： Jyh-Jeng Wu Shu-Hua Chien Ying-Hueih Chen Hsin-Tzu Chang Department of Business Management National United UniversityTaiwan Department of Insurance and Finance National Taichung Institute of TechnologyTaiwan Department of Computer Science and Information Management Providence UniversityTaiwan Master Program in Business Administration National United UniversityTaiwan

This paper discusses the role of casual attributions and positive emotion in trust repair of *** equation modeling(SEM) was used in our study to analyze 517 valid online *** empirical results indicate that casual attributions(locus and stability) have a negative impact on positive emotion;however,controllability opposing our initial expectation has a positive impact on positive *** the same time,positive emotion not only influences trust but also mediates the effect of casual attributions on trust.

关键词： casual attributions,positive emotion,trust repair,e-commerce

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Microfluidic flow cytometer utilizing optical space-time coding technique

Microfluidic flow cytometer utilizing optical space-time cod...

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IEEE Photonics Conference (IPC)

作者： Tsung-Feng Wu Zhe Mei Luca Pion-Tonachini Yu-Hwa Lo Materials Science and Engineering Program University of California at San Diego La Jolla CA USA School of Information and Electronics Beijing Institute of Technology Beijing China Department of Electrical and Computer Engineering University of California at San Diego La Jolla CA USA

An optical-coding technique for microfluidic flow cytometers to detect forward scattering and large angle scattering signals that can be used to differentiate beads and cells.

关键词： Optical scattering Microfluidics Optical sensors Optical signal processing Optical device fabrication Biomedical optical imaging

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