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Universal Access in Human-Computer Interaction: Context Diversity - 6th international conference, UAHCI 2011, Held as Part of HCI international 2011, Proceedings

Universal Access in Human-Computer Interaction: Context Dive...

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6th international conference on Universal Access in Human-Computer Interaction, UAHCI 2011, Held as Part of HCI international 2011

ISBN: (纸本)9783642216657

the proceedings contain 246 papers. the topics discussed include: visual mediation mechanisms for collaborative design and development;design for the information society;classifying interaction methods to support intuitive interaction devices for creating user-centered-systems;evaluation of video game interfaces;standardizing user models;integral model of the area of reaches and forces of a disabled person with dysfunction of lower limbs as a tool in virtual assessment of manipulation possibilities in selected work environments;modeling the role of empathic design engaged personas: an emotional design approach;results of the technical validation of an accessible contact manager for mobile devices;developing accessible mobile phone applications: the case of a contact manager and real time text applications;a multitasking approach to adaptive spoken dialogue management;and from clouds to rain: consolidating and simplifying online communication services with easy one communicator.

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Universal Access in Human-Computer Interaction: Users Diversity - 6th international conference, UAHCI 2011, Held as Part of HCI international 2011, Proceedings

Universal Access in Human-Computer Interaction: Users Divers...

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6th international conference on Universal Access in Human-Computer Interaction, UAHCI 2011, Held as Part of HCI international 2011

ISBN: (纸本)9783642216626

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Universal Access in Human-Computer Interaction: Applications and Services - 6th international conference, UAHCI 2011, Held as Part of HCI international 2011, Proceedings

Universal Access in Human-Computer Interaction: Applications...

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6th international conference on Universal Access in Human-Computer Interaction, UAHCI 2011, Held as Part of HCI international 2011

ISBN: (纸本)9783642216565

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6th international conference on Design Science Research in Information Systems and Technology, DESRIST 2011

6th International Conference on Design Science Research in I...

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6th international conference on Design Science Research in Information Systems and Technology, DESRIST 2011

ISBN: (纸本)9783642206320

the proceedings contain 34 papers. the special focus in this conference is on Design Science Research in Information Systems and Technology,. the topics include: Design science research demonstrators for punctuation – the establishment of a service ecosystem;Extending prior research with design science research: Two patterns for DSRIS project generation;inductive design of maturity models: Applying the rasch algorithm for design science research;pattern-based approach for designing with diagrammatic and propositional conceptual models;enacted software development routines based on waterfall and agile software methods: Socio-technical event sequence study;e-wallet prototypes;a fitness-utility model for design science research;interface design elements for anti-phishing systems;experimental evaluation of peer endorsement system artifacts using best-of-breed ideals – Effects of online decision confidence on post-choice regret;forms of reasoning in the design science research process;managing the future—Six guidelines for designing environmental scanning systems;utilizing user-group characteristics to improve acceptance of management support systems—State of the art and six design guidelines;how service orientation can improve the flexibility of executive information systems—An architecture reworked from a business perspective;How IT-based co-creation can provide small banks access to the financial market – A prototype development from a design science research perspective;service extraction from operator procedures in process industries;reconsidering modular design rules in a dynamic service context;Design science in service research: A framework-based review of IT artifacts in Germany;service orienting the swedish vaccination recommendation activity with the business rules centric digital service vacsam;enhancing design science through empirical knowledge: Framework and application.

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A new method for inconsistent multicriteria classification

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6th international conference on Rough Sets and Knowledge Technology, RSKT 2011

作者： Deng, Weibin Wang, Guoyin Yang, Shuangxia Hu, Feng School of Information Science and Technology Southwest Jiaotong University Chengdu 610031 China Institute of Computer Science and Technology Chongqing University of Posts and Telecommunications Chongqing 400065 China

ISBN: (纸本)9783642244247

three relaxation models (VC-DRSA, VP-DRSA and ISVP-DRSA) of DRSA have been proposed to relax the strict dominance principle. However, the classification performance of these models is affected by the value of consistency level l. Until now, the value of l is set according to prior domain knowledge. But no one knows which value is the best and the reason. To address the multicriteria classification problem, we propose a new method in this paper. A new uncertainty measure is defined and an algorithm for transforming inconsistent preference-ordered systems into consistent ones (TIPStoC) is designed in this paper. An iterative approach is adopted in TIPStoC algorithm. We find that inconsistent preference-ordered information systems can be transformed into consistent systems with low computation complexity, and without losing useful information. the classification performance will be improved with the decision rules induced from the consistent systems. Besides, the value of consistency level l is set to 1.0 without depending on prior knowledge. Finally, the procedure of TIPStoC algorithm is illustrated by a real example and the efficiency of the new method is proved by experiments. © 2011 Springer-Verlag.

关键词： Iterative methods

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Modeling and small-angle neutron scattering spectra of chromatin supernucleosomal structures at genome scale

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JOURNAL OF APPLIED PHYSICS 2011年第10期110卷 102217-102217页

作者： Ilatovskiy, Andrey V. Lebedev, Dmitry V. Filatov, Michael V. Grigoriev, Mikhail Petukhov, Michael G. Isaev-Ivanov, Vladimir V. Russian Acad Sci Petersburg Nucl Phys Inst Div Mol & Radiat Biophys Gatchina Russia PNPI RAS Res & Educ Ctr Biophys St Petersburg Russia St Petersburg State Polytech Univ St Petersburg Russia Univ Paul Sabathier CNRS Lab Biol Mol Eukaryote Toulouse France

Eukaryotic genome is a highly compacted nucleoprotein complex organized in a hierarchical structure based on nucleosomes. Detailed organization of this structure remains unknown. In the present work we developed algorithms for geometry modeling of the supernucleosomal chromatin structure and for computing distance distribution functions and small-angle neutron scattering (SANS) spectra of the genome-scale (similar to 10(6) nucleosomes) chromatin structure at residue resolution. Our physical nucleosome model was based on the mononucleosome crystal structure. A nucleosome was assumed to be rigid within a local coordinate system. Interface parameters between nucleosomes can be set for each nucleosome independently. Pair distance distributions were computed with Monte Carlo simulation. SANS spectra were calculated with Fourier transformation of weighted distance distribution;the concentration of heavy water in solvent and probability of H/D exchange were taken into account. Two main modes of supernucleosomal structure generation were used. In a free generation mode all interface parameters were chosen randomly, whereas nucleosome self-intersections were not allowed. the second generation mode (generation in volume) enabled spherical or cubical wall restrictions. It was shown that calculated SANS spectra for a number of our models were in general agreement with available experimental data. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3661987]

关键词： bioinformatics computational geometry Fourier transforms genomics molecular biophysics Monte Carlo methods neutron diffraction proteins

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Joint Optimization of Savitzky-Golay Smoothing Modes and PLS Factors was Applied to Near Infrared Spectral Analysis of Serum Cholesterol

Joint Optimization of Savitzky-Golay Smoothing Modes and PLS...

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the 4th international conference on bioinformatics and Biomedical Engineering(第四届IEEE生物信息与生物医学工程国际会议 iCBBE 2010)

作者： Tao Pan Jun Xie Huazhou Chen Jiemei Chen Jie Wang Fengxi Fan Jiabao Li Ruituo Qu Department of Optoelectronic Engineering Jinan University Guangzhou 510632 P.R.China Key Laborato Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Educationa Department of Biological Engineering Jinan University Guangzhou 510632 P.R.China Department of Optoelectronic Engineering Jinan University Guangzhou 510632 P.R.China

the rapid determination method of blood clinical biochemical indicators based on near infrared spectral (NIRS) analysis is an important research branch in health monitoring systems. In this paper, the rapid determination method and the optimal analysis model of serum cholesterol were established by using the NIRS technology, partial least squares (PLS) and Savitzky-Golay (SG) smoothing method. Based on the prediction effect of the optimal single wavenumber model, calibration set and prediction set were divided. the calibration and prediction models were established by using PLS method adopting the combination bands of 10000-5300 cm-1 and 4920-4160 cm-1 with SG smoothing. By extending the number of smoothing points to 5, 7… 61 (odd) and polynomial degree to 2, 3, 4, 5, 6, fourteen smoothing coefficient tables including 400 SG smooth modes were calculated. Based on computer algorithms platform which was developed by authors, PLS models corresponding to all combinations of 400 SG smooth modes and 1-40 PLS factors were constructed. the optimal model was selected according to the prediction effect, and the derivation order is 1, the polynomial degree is 3 or 4, the number of smoothing points is 43, the optimal PLS factor is 13, the prediction correlation coefficient RP is 0.811, and the optimal RMSEP reaches 0.416 mmol/L. the dividing method for calibration set and prediction set, the extending of SG smoothing modes, large-scale joint optimization of SG smoothing modes and PLS factors can be effectively applied to the model optimization of NIRS analysis.

关键词： Smoothing methods Infrared spectra Spectral analysis Predictive models Calibration Polynomials Optimization methods Blood Infrared surveillance Biochemical analysis

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Multiphase segmentation based on implicit active shape models

Multiphase segmentation based on implicit active shape model...

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6th international conference on Image Analysis and Recognition, ICIAR 2009

作者： Fuzhen, Huang Xingxing, She Departmen of Automation Shanghai University of Electric Power Shanghai 200090 China

ISBN: (纸本)3642026109

Level set based approaches are widely used for image segmentation. One of the challenges in these methods is the incorporation of prior knowledge on the shape of the segmentation contour. In this paper a level set variant of active shape models is presented to provide shape prior. By incorporating this shape prior with Chan-Vese model, the improved level set model can account for prior shape knowledge quite efficiently and is used for multiphase segmentation. Promising results on multiple face contour extraction demonstrate the potential of our approach. © 2009 Springer Berlin Heidelberg.

关键词： Image segmentation

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Multimodal Corpora - From models of Natural Interaction to Systems and Applications

Multimodal Corpora - From Models of Natural Interaction to S...

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international Workshop on Multimodal Corpora: From models of Natural Interaction to Systems and Applications, Held in Conjunction with the 6th international conference for Language Resources and Evaluation, LREC 2008

ISBN: (纸本)3642047920

the proceedings contain 13 papers. the topics discussed include: the SmartWeb corpora: multimodal access to the web in natural environments;promoting free dialog video corpora: the IFADV corpus example;creating and exploiting multimodal annotated corpora: the ToMA project;multi-track annotation of child language and gestures;gesture, gaze and persuasive strategies in political discourse;unsupervised clustering in multimodal multiparty meeting analysis;multimodal corpora annotation: validation methods to assess coding scheme reliability;on the contextual analysis of agreement scores;creating standardized video recordings of multimodal interactions across cultures;multimodal intercultural information and communication technology - a framework for designing and evaluating multimodal intercultural communicators;accessing a large multimodal corpus using an automatic content linking device;and an exchange format for multimodal annotations.

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Abstractions in process mining: A taxonomy of patterns

Abstractions in process mining: A taxonomy of patterns

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7th international conference on Business Process Management, BPM 2009

作者： Jagadeesh Chandra Bose, R.P. Van Der Aalst, Wil M. P. Department of Mathematics and Computer Science University of Technology Eindhoven Netherlands Philips Healthcare Veenpluis 5-6 Best Netherlands

ISBN: (纸本)3642038476

Process mining refers to the extraction of process models from event logs. Real-life processes tend to be less structured and more flexible. Traditional process mining algorithms have problems dealing with such unstructured processes and generate spaghetti-like process models that are hard to comprehend. One reason for such a result can be attributed to constructing process models from raw traces without due pre-processing. In an event log, there can be instances where the system is subjected to similar execution patterns/behavior. Discovery of common patterns of invocation of activities in traces (beyond the immediate succession relation) can help in improving the discovery of process models and can assist in defining the conceptual relationship between the tasks/activities. In this paper, we characterize and explore the manifestation of commonly used process model constructs in the event log and adopt pattern definitions that capture these manifestations, and propose a means to form abstractions over these patterns. We also propose an iterative method of transformation of traces which can be applied as a pre-processing step for most of today's process mining techniques. the proposed approaches are shown to identify promising patterns and conceptually-valid abstractions on a real-life log. the patterns discussed in this paper have multiple applications such as trace clustering, fault diagnosis/anomaly detection besides being an enabler for hierarchical process discovery. © 2009 Springer Berlin Heidelberg.

关键词： Iterative methods

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