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Conference on Lasers and Electro-Optics, CLEO 2009

作者： Liscidini, M. Wei, X. Kang, C. Rong, G. Retterer, S.T. Patrini, M. Sipe, J.E. Weiss, S.M. Department of Physics University of Toronto 60 St. George St Toronto M5S 1A7 ON Canada Department of Electrical Engineering and Computer Science Vanderbilt University Nashville TN 37235 United States Interdisciplinary Graduate Program in Materials Science Vanderbilt University Nashville TN 37235 United States Center for Nanophase Materials Sciences Oak Ridge National Laboratory Oak Ridge TN 37831 United States CNISM and Dipartimento di Fisica 'A. Volta' Università degli Studi di Pavia via Bassi 6 27100 Pavia Italy

We investigate the use of gratings on porous silicon structures for sensing applications. Examples of two classes of systems are studied: grating-coupled waveguide biosensors, and diffraction-based biosensors. © ... 详细信息

ISBN: (纸本)9781557528698

关键词： Biosensors

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Identification of cell cycle-related regulatory motifs using a kernel canonical correlation analysis

Identification of cell cycle-related regulatory motifs using...

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8th International Conference on Bioinformatics: Computational Biology, InCoB 2009

作者： Rhee, Je-Keun Joung, Je-Gun Chang, Jeong-Ho Fei, Zhangjun Zhang, Byoung-Tak Graduate Program in Bioinformatics Seoul National University Seoul 151-744 Korea Republic of Seoul National University Seoul 151-744 Korea Republic of Boyce Thompson Institute for Plant Research Cornell University Ithaca NY 14853 United States Konan Technology Inc. Seoul 135-080 Korea Republic of USDA Robert W. Holley Center for Agriculture and Health Ithaca NY 14853 United States School of Computer Science and Engineering Seoul National University Seoul 151-744 Korea Republic of

Background: Gene regulation is a key mechanism in higher eukaryotic cellular processes. One of the major challenges in gene regulation studies is to identify regulators affecting the expression of their target genes in specific biological processes. Despite their importance, regulators involved in diverse biological processes still remain largely unrevealed. In the present study, we propose a kernel-based approach to efficiently identify core regulatory elements involved in specific biological processes using gene expression profiles. Results: We developed a framework that can detect correlations between gene expression profiles and the upstream sequences on the basis of the kernel canonical correlation analysis (kernel CCA). Using a yeast cell cycle dataset, we demonstrated that upstream sequence patterns were closely related to gene expression profiles based on the canonical correlation scores obtained by measuring the correlation between them. Our results showed that the cell cycle-specific regulatory motifs could be found successfully based on the motif weights derived through kernel CCA. Furthermore, we identified co-regulatory motif pairs using the same framework. Conclusion: Given expression profiles, our method was able to identify regulatory motifs involved in specific biological processes. The method could be applied to the elucidation of the unknown regulatory mechanisms associated with complex gene regulatory processes. © 2012 BioMed Central Ltd .

关键词： Gene expression

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Comparison of Different Approaches to ICP Dominated Pulse Extraction

Comparison of Different Approaches to ICP Dominated Pulse Ex...

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International Conference on Bioinformatics and Biomedical Engineering (ICBBE)

作者： Peng Xu Shaozhi Wu Shadnaz Asgari Magdalena Kasprowicz Marvin Bergsneider Xiao Hu Center of Neuroinformatics School of Life Science and Technology University of Electronic Science and Technology Chengdu China Neural Systems and Dynamics Laboratory Department of Neurosurgery the David Geffen School of Medicine University of California Los Angeles USA School of Computer Science and Engineering University of Electronic Science and Technology Chengdu China Biomedical Engineering Graduate Program Henry Samueli School of Engineering and Applied Science University of California Los Angeles USA University of California Los Angeles Los Angeles CA US

Changes of ICP waveform morphology are characterized with different patients' states like hypertension, hydrocephalus and traumatic brain injury etc. Morphological clustering and analysis of ICP pulse (MOCAIP) approach is recently developed to extract ICP morphology feature, in which hierarchical clustering is used to extract the dominated pulse. In this paper, we evaluate the feasibility of using principle component analysis (PCA) and independent component analysis (ICA) to extract dominated pulse. The comparative study among clustering, PCA and ICP based approaches shows that PCA approach may be an alternative of clustering approach to extract dominated pulse in a faster fashion when dataset is of large size.

关键词： Independent component analysis Morphology Principal component analysis Biomedical engineering Feature extraction Electrocardiography Tellurium Hypertension Data mining Laboratories

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Nomenclature for stacking in phyllosilicates: Report of the Association Internationale pour l'Etude des Argiles (AIPEA) Nomenclature Committee for 2008

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Clay Minerals 2009年第1期44卷 157-159页

作者： Guggenheim, S. Adams, J.M. Bergaya, F. Brigatti, M.F. Drits, V.A. Formoso, M.L.L. Galán, E. Kogure, T. Stanjek, H. Stucki, J.W. AIPEA Nomenclature Committee Department of Earth and Environmental Sciences University of Illinois at Chicago 845W. Taylor St. Chicago IL 60607 United States Department of Engineering School of Engineering and Computer Science University of Exeter North Park Road Exeter EX4 4OF United Kingdom University of Orléans 1b Rue de la Férollerie 45 071 Orléans Cedex 2 France Department of Earth Sciences University of Modena Largo S. Eufemia 19 I-41100 Modena Italy Geological Institute of the Russian Academy of Science 7 Pyzerskii Per Moscow J-17 Russia Campus Do Vale Instit. of Geosciences University Federal Do Rio Grande Do sul 9500 Ave Bento Gonçalves Porto Alegre RS CEP-91540-000 Brazil Departmento de Cristalografía y Mineralogía Facultad de Química Universidad de Sevilla 41071 Sevilla Spain Department of Earth and Planetary Science Graduate School of Science University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo Japan Clay and InterfaceMineralogy RWTHAachenUniversity Wuellnerstr. 2 D52056Aachen Germany Department of Natural Resources and Environmental Sciences University of Illinois 1102 S. Goodwin Ave. Urbana IL 61801 United States

Kogure and co-workers have published several papers reporting the stacking structures of various 2:1 layer phyllosilicates (e.g. aspidolite, Kogure et al. (2004); wonesite, Kogure et al. (2005); pyrophyllite, Kogure et al. (2006)), mainly by using high-resolution transmission electron microscopy (HR-TEM). However, there is ambiguity in wording that refers to the lateral displacement between two tetrahedral sheets across the interlayer regions. Zvyagin et al. (1969) used the symbol “τ” for this displacement, which describes the structures of pyrophyllite and talc, but no universally accepted wording was used for other 2:1 phyllosilicates or 1:1 phyllosilicates.

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Observation of a Centrality-Dependent Dijet Asymmetry in Lead-Lead Collisions at sNN=2.76 TeV with the ATLAS Detector at the LHC

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Physical Review Letters 2010年第25期105卷 252303-252303页

作者： G. Aad B. Abbott J. Abdallah A. A. Abdelalim A. Abdesselam O. Abdinov B. Abi M. Abolins H. Abramowicz H. Abreu E. Acerbi B. S. Acharya M. Ackers D. L. Adams T. N. Addy J. Adelman M. Aderholz S. Adomeit P. Adragna T. Adye S. Aefsky J. A. Aguilar-Saavedra M. Aharrouche S. P. Ahlen F. Ahles A. Ahmad M. Ahsan G. Aielli T. Akdogan T. P. A. Åkesson G. Akimoto A. V. Akimov M. S. Alam M. A. Alam S. Albrand M. Aleksa I. N. Aleksandrov M. Aleppo F. Alessandria C. Alexa G. Alexander G. Alexandre T. Alexopoulos M. Alhroob M. Aliev G. Alimonti J. Alison M. Aliyev P. P. Allport S. E. Allwood-Spiers J. Almond A. Aloisio R. Alon A. Alonso J. Alonso M. G. Alviggi K. Amako P. Amaral C. Amelung V. V. Ammosov A. Amorim G. Amorós N. Amram C. Anastopoulos T. Andeen C. F. Anders K. J. Anderson A. Andreazza V. Andrei M-L. Andrieux X. S. Anduaga A. Angerami F. Anghinolfi N. Anjos A. Annovi A. Antonaki M. Antonelli S. Antonelli J. Antos F. Anulli S. Aoun L. Aperio Bella R. Apolle G. Arabidze I. Aracena Y. Arai A. T. H. Arce J. P. Archambault S. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armbruster K. E. Arms S. R. Armstrong O. Arnaez C. Arnault A. Artamonov G. Artoni D. Arutinov S. Asai J. Silva R. Asfandiyarov S. Ask B. Åsman L. Asquith K. Assamagan A. Astbury A. Astvatsatourov G. Atoian B. Aubert B. Auerbach E. Auge K. Augsten M. Aurousseau N. Austin R. Avramidou D. Axen C. Ay G. Azuelos Y. Azuma M. A. Baak G. Baccaglioni C. Bacci A. M. Bach H. Bachacou K. Bachas G. Bachy M. Backes E. Badescu P. Bagnaia S. Bahinipati Y. Bai D. C. Bailey T. Bain J. T. Baines O. K. Baker S Baker F. Baltasar Dos Santos Pedrosa E. Banas P. Banerjee Sw. Banerjee D. Banfi A. Bangert V. Bansal H. S. Bansil L. Barak S. P. Baranov A. Barashkou A. Barbaro Galtieri T. Barber E. L. Barberio D. Barberis M. Barbero D. Y. Bardin T. Barillari M. Barisonzi T. Barklow N. Barlow B. M. Barnett R. M. Barnett A. Baroncelli A. J. Barr F. Barreiro J. Barreiro Guimarães da Costa P. Barrillon R. Bartoldus A. E. Barton D. Bartsch R. L. Bates L. Batkova J. R. Batley A. Battaglia M. Albert-Ludwigs-Universität Fakultät für Mathematik und Physik Hermann-Herder Strasse 3 D-79104 Freiburg i.Br. Germany University of Oklahoma Homer L. Dodge Department of Physics and Astronomy 440 West Brooks Room 100 Norman Oklahoma 73019-0225 USA Institut de Física d’Altes Energies IFAE Edifici Cn Universitat Autònoma de Barcelona ES-08193 Bellaterra (Barcelona) Spain Université de Genève Section de Physique 24 rue Ernest Ansermet CH-1211 Geneve 4 Switzerland Oxford University Department of Physics Denys Wilkinson Building Keble Road Oxford OX1 3RH United Kingdom Institute of Physics Azerbaijan Academy of Sciences H. Javid Avenue 33 AZ 143 Baku Azerbaijan Oklahoma State University Department of Physics 145 Physical Sciences Building Stillwater Oklahoma 74078-3072 USA Michigan State University Department of Physics and Astronomy High Energy Physics Group East Lansing Michigan 48824-2320 USA Tel Aviv University Raymond and Beverly Sackler School of Physics and Astronomy Ramat Aviv IL - Tel Aviv 69978 Israel LAL Université Paris-Sud IN2P3/CNRS Orsay France INFN Sezione di Milano via Celoria 16 IT-20133 Milano Italy Università di Milano Dipartimento di Fisica via Celoria 16 IT-20133 Milano Italy INFN Gruppo Collegato di Udine Strada Costiera 11 IT-33100 Udine Italy ICTP Strada Costiera 11 IT-34014 Trieste Italy University of Bonn Physikalisches Institut Nussallee 12 D-53115 Bonn Germany Brookhaven National Laboratory Physics Department Building 510A Upton New York 11973 USA Hampton University Department of Physics Hampton Virginia 23668 USA Yale University Department of Physics P.O. Box 208121 New Haven Connecticut 06520-8121 USA Max-Planck-Institut für Physik (Werner-Heisenberg-Institut) Föhringer Ring 6 80805 München Germany Ludwig-Maximilians-Universität München Fakultät für Physik Am Coulombwall 1 DE-85748 Garching Germany Queen Mary University of London Department of Physics Mile End Road London E1 4NS United Kingdom Ruther

By using the ATLAS detector, observations have been made of a centrality-dependent dijet asymmetry in the collisions of lead ions at the Large Hadron Collider. In a sample of lead-lead events with a per-nucleon center of mass energy of 2.76 TeV, selected with a minimum bias trigger, jets are reconstructed in fine-grained, longitudinally segmented electromagnetic and hadronic calorimeters. The transverse energies of dijets in opposite hemispheres are observed to become systematically more unbalanced with increasing event centrality leading to a large number of events which contain highly asymmetric dijets. This is the first observation of an enhancement of events with such large dijet asymmetries, not observed in proton-proton collisions, which may point to an interpretation in terms of strong jet energy loss in a hot, dense medium.

关键词： Energy dissipation

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Improving bilateral negotiation with evolutionary learning

Improving bilateral negotiation with evolutionary learning

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2008 12th International Conference on computer Supported Cooperative Work in Design, CSCWD

作者： Romanhuki, Emerson Fuckner, Marcio Enembreck, Fabrício Ávila, Bráulio Scalabrin, Edson E. PUCPR Pontifical Catholic University of Parana Graduate Program on Applied Computer Science Curitiba PR Brazil

ISBN: (纸本)9781424416509

This paper proposes an approach to generate offers and counter-offers in a bilateral negotiation process between cognitive agents with the learning machine capacities. The approach is configured, as each participant of a negotiation process improve their satisfaction degree, gaining knowledge from prior experience, i.e., in the next negotiation session, each participant can individually use this knowledge to redefine the configuration parameters of strategies and tactics to generate offers and counter-offers. Each agent refines their strategies using a genetic algorithm application based on the historical offers and counter-offer exchanges dataset. This context can lead to a new dimension in CSCW System Development. This approach was tested in a simulated bilateral negotiation environment, which involved, for example, a buyer agent and a seller agent. The discussions about the results confront different negotiation sessions comparing agents provided with strategy and tactics reconfiguration capabilities and agents using static strategies and tactics. © 2008 IEEE.

关键词： Genetic algorithms

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A security framework for input validation

A security framework for input validation

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2nd International Conference on Emerging Security Information, Systems and Technologies, SECURWARE 2008

作者： Brinhosa, Rafael Bosse Westphall, Carlos Becker Westphall, Carla Merkle Network and Management Laboratory - Postgraduate Program in Computer Science - Technological Center Federal University of Santa Catarina Brazil

ISBN: (纸本)9780769533292

Input manipulation attacks are becoming one of the most common attacks against Web Applications and Web Services security. As the use of firewalls and other security mechanisms are not effective against application-level attacks, new means of defense are needed. This paper presents a framework proposal to solve this problem, securing applications against input manipulation attacks. The proposed mechanism offers a reusable approach by the use of XML files and a XML Schema for security parameters specification. Furthermore, a case of study and experiment results are presented. The experiment demonstrates how common input manipulation flaws could be observed. © 2008 IEEE.

关键词： computer software reusability

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From the Field: Understanding and Improving Attitudinal Research in Wildlife sciences

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Wildlife Society Bulletin 2010年第2期34卷

作者： ROBERT A. McCLEERY ROBERT B. DITTON JANE SELL ROEL R. LOPEZ Department of Wildlife and Fisheries Sciences Texas A&M University College Station TX 77843 USA Robert (Bob) McCleery(photo) is a Ph.D. candidate at Texas A&M University where he received his M.S. He spent 3 years as an ecologist in Swaziland with the U.S. Peace Corps after receiving his B.S. from Cornell University. His current research interests include small mammals human dimensions of wildlife urban wildlife and endangered species. Robert (Bob) Dittonis a professor in the Department of Wildlife and Fisheries Sciences at Texas A&M University. He teaches a graduate-level course in the Human Dimensions of Wildlife and Fisheries. He also directs a graduate-level social science research program with funding support from federal and state natural resources management agencies environmental NGOs. He has served in numerous editorial positions in his field and is the author of over 200 research articles dealing with the human dimensions of natural resources. Over the past 30 years he has completed human dimensions research in local state federal and international fisheries jurisdictions. Department of Sociology Texas A&M University College Station TX 77843 USA Jane Sellis a professor of sociology at Texas A&M University. She specializes in social psychology and her research interests focus on stereotyping labeling and issues related to social dilemmas. Roel R. Lopezis an Assistant Professor with the Department of Wildlife and Fisheries Sciences at Texas A&M University. His previous employment was with U.S. Fish and Wildlife Service's National Key Deer Refuge. He received his B.S. in Forestry from Stephen F. Austin State University and his M.S. and Ph.D. from Texas A&M University. His research interests are in urban wildlife ecology deer ecology wildlife population dynamics and habitat management.

Human dimension research published regarding public attitudes about wildlife or natural resource management often reflects an inadequate understanding on the part of the authors regarding attitudes, their social psychological frameworks, and their relationship to behaviors. In this paper we define attitudes, examine their relationship to behaviors, and examine some theoretical frameworks for attitudes. Additionally, we examine some shortcomings we believe are common in wildlife attitudinal research and make suggestions to improve the quality and consistency of the work.

关键词： attitudes human dimensions wildlife

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Personal Autonomic Desktop Manager with a circulatory computing approach

Personal Autonomic Desktop Manager with a circulatory comput...

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5th IEEE International Workshop on Engineering of Autonomic and Autonomous Systems

作者： Kopiler, Alberto Arkader Dutra, Ines de Castro Franca, Felipe M. G. Systems Automation Department CEPEL Electric Power Research Center Computer Science Department FCUP Porto University Systems Engineering and Computer Science Program COPPE/UFRJ Federal University of Rio de Janeiro

ISBN: (纸本)9780769531403

In this paper we present the architecture for the Personal Autonomic Desktop Manager, a self managing application designed to act on behalf of the user in several aspects: protection, healing, optimization and configuration. The overall goal of this research is to improve the correlation of the autonomic self* properties and doing so also enhance the overall self-management capacity of the desktop (autonomicity). We introduce the Circulatory Computing (CC) model, a self-managing system initiative based on the biological metaphor of the cardiovascular system, and use its concepts in the design and implementation of the architecture.

关键词： Cardiovascular system

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A software to manage risks in project's negotiations

A software to manage risks in project's negotiations

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2008 International Conference on e-Learning, e-Business, Enterprise Information Systems, and e-Government, EEE 2008

作者： Rodrigues, S.A. Vaz, M.A. Souza, J.M. COPPE/UFRJ - Computer Science Department Graduate School of Engineering Federal University of Rio de Janeiro Brazil DCC-IM/UFRJ - Computer Science Department Mathematics Institute Federal University of Rio de Janeiro Brazil

ISBN: (纸本)1601320639

The constant changes in social, economic and political scenarios have influenced how negotiation is discussed in organizations. In this context, decision-making processes usually require great effort in solving conflicts. One common aspect is to face negotiation not only as a type of relationship, but as a process that involves a variety of positive and negative risks. Thus, negotiation planning is the key factor to balance the negotiator's expectations and to reach an agreement, considering threats and opportunities. Under these circumstances, risk management tools play an important role in identifying possibly controversial points of view. The objective of this article is to present a computational prototype based on a model which supports negotiation through risk assessment. The proposal contemplates mechanisms to identify, analyze, respond to, monitor, and control negotiation risks. Case studies are also presented to illustrate how risk management may minimize the conflicts in the decision-making process.

关键词： Risk management

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