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International Conference on Power engineering, Energy and electrical Drives, POWERENG

作者： Ilhami Colak Ersan Kabalci Mehmet Yesilbudak H. Ibrahim Bulbul Department of Electrical and Electronics Engineering Faculty of Technology Gazi University Ankara Turkey Department of Technical Programs Vocational College of Haci Bektas Nevsehir University Nevsehir Turkey Department of Computer Education Industrial Arts Education Faculty Gazi University Ankara Turkey

The wind power based energy generation technologies are intensively studied in renewable energy generation issues since last century. The main demands directed to a renewable energy source are being reliable, sustainable and low-cost. Several studies are performed to increase the efficiency of an installed wind power plants. The preliminary analyses such as geographical structures, climate conditions, and land topography should be also considered during feasibility analyses of a wind plant. Although the obtained data could be processed by using numerical or various estimation methods, the data mining techniques provide more accurate results among others. In this study, the agglomerative hierarchical clustering tool is designed and is capable to process any data set supplied by expert to system. The case study is performed using monthly average wind speed data of Central Anatolia Region of Turkey in the paper. It is observed that the developed tool clusters the given sample data set in an efficient and successful way.

关键词： Measurement Renewable energy resources Clustering algorithms Wind speed Data mining Clustering methods Wind power generation

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Towards optogenetic sensory replacement

Towards optogenetic sensory replacement

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Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)

作者： M. Mehdi Doroudchi Kenneth P. Greenberg Anthony N. Zorzos William W. Hauswirth Clifton G. Fonstad Alan Horsager Edward S. Boyden Eos Neuroscience Inc. Los Angeles CA USA Division of Neurobiology University of California Berkeley Berkeley CA USA MIT Media Laboratory Synthetic Neurobiology Group Departments of Brain and Cognitive Sciences and Biological Engineering MIT McGovern Institute MIT Microsystems Technology Laboratory MIT Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology Cambridge MA USA Department of Ophthalmology University of Florida Gainesville FL USA MIT Microsystems Technology Laboratory MIT Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology Cambridge MA USA Institute for Genetic Medicine University of Southern California (USC) Los Angeles CA USA Media Laboratory McGovern Institute and Departments of Brain and Cognitive Sciences and Biological Engineering Massachusetts Institute of Technology Cambridge MA USA

Over the last several years we have developed a rapidly-expanding suite of genetically-encoded reagents (e.g., ChR2, Halo, Arch, Mac, and others) that, when expressed in specific neuron types in the nervous system, enable their activities to be powerfully and precisely activated and silenced in response to light. If the genes that encode for these reagents can be delivered to cells in the body using gene therapy methods, and if the resultant protein payloads operate safely and effectively over therapeutically important periods of time, these molecules could subserve a set of precise prosthetics that use light as the trigger of information entry into the nervous system, e.g. for sensory replacement. Here we discuss the use of ChR2 to make the photoreceptor-deprived retina, as found in diseases such as retinitis pigmentosa, sensitive to light, enabling restoration of functional vision in a mouse model of blindness. We also discuss arrays of light sources that could be useful for delivering patterned sensory information into the nervous system.

关键词： Optical waveguides Probes Neurons Neuroscience Blindness Mice Retina

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Reports of the AAAI 2010 fall symposia

Reports of the AAAI 2010 fall symposia

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作者： Azevedo, Roger Biswas, Gautam Bohus, Dan Carmichael, Ted Finlayson, Mark A. Hadzikadic, Mirsad Havasi, Catherine Horvitz, Eric Kanda, Takayuki Koyejo, Oluwasanmi Lawless, William F. Lenat, Doug Meneguzzi, Felipe Mutlu, Bilge Oh, Jean Pirrone, Roberto Raux, Antoine Sofge, Donald A. Sukthankar, Gita Van Durme, Benjamin Yorke-Smith, Neil Department of Educational and Counseling Psychology McGill University Canada Center for Intelligent Systems Vanderbilt University United States Microsoft Research Redmond United States Department of Software and Information Systems University of North Carolina Charlotte United States Complex Systems Institute United States Computer Science and Artificial Intelligence Laboratory Massachusetts Institute of Technology United States Media Lab. Massachusetts Institute of Technology United States ATR Intelligent Robotics and Communication Laboratories Kyoto Japan Department of Electrical and Computer Engineering University of Texas Austin United States Department of Mathematics Paine College Augusta GA United States Cycorp Austin TX United States Robotics Institute Carnegie Mellon University United States Department of Computer Sciences University of Wisconsin Madison United States University of Palermo Italy Honda Research Institute United States Navy Center for Applied Research in Artificial Intelligence Naval Research Laboratory Washington DC United States Department of Electrical Engineering and Computer Science University of Central Florida United States Department of Computer Science Johns Hopkins University United States American University of Beirut Lebanon SRI International's Artificial Intelligence Center United States

The Association for the Advancement of Artificial Intelligence (AAAI) presented the 2010 Fall Symposium Series on November 11-13, 2010. The eight symposia included Cognitive and Metacognitive Educational Systems, Commonsense Knowledge, Complex Adaptive Systems: Resilience, Robustness, and Evolvability, Computational Models of Narrative, Dialog with Robots, Manifold Learning and Its Applications, Proactive Assistant Agents and Quantum Informatics for Cognitive, Social, and Semantic Processes. Cognitive and Metacognitive Educational Systems aimed to provide a comprehensive definition of metacognitive educational systems that is inclusive of the theoretical, architectural, and educational aspects of this field. The AAAI Commonsense Knowledge Fall Symposium had the goal of bringing together the diverse elements of this community whose work benefits from or contributes to the representation of general knowledge about the world. One of the specific goals of Proactive symposium was to gather the researchers from various projects in assistant agents to share their wisdom in retrospect.

关键词： Semantics

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DIRECT IMPORTANCE ESTIMATION WITH PROBABILISTIC PRINCIPAL COMPONENT ANALYZERS

DIRECT IMPORTANCE ESTIMATION WITH PROBABILISTIC PRINCIPAL CO...

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2010 IEEE International Conference on Acoustics, Speech, and Signal Processing

作者： Yamada, Makoto Sugiyama, Masashi Wichern, Gordon Department of Computer Science Tokyo Institute of Technology and JST Japan Arts Media and Engineering Arizona State University

ISBN: (纸本)9781424442966

The importance estimation problem (estimating the ratio of two probability density functions) has recently gathered a great deal of attention for use in various applications, e. g., outlier detection and covariate shift adaptation. In this paper, we propose a new importance estimation method using mixtures of probabilistic principal component analyzers (PPCAs). Our method employs the framework of the Kullback-Leibler importance estimation procedure (KLIEP) using using linear or kernel models. The proposed approach entitled PPCA mixture KLIEP (PM-KLIEP) can improve importance estimation accuracy with correlated and rank-deficient data. Through experiments, we show the validity of the proposed approach.

关键词： Importance KLIEP Probabilistic PCA EM algorithm

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Computational models of narrative: Review of the workshop

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AI Magazine 2010年第2期31卷 97-100页

作者： Finlayson, Mark A. Richards, Whitman Winston, Patrick H. Electrical Engineering and Computer Science Massachusetts Institute of Technology United States Department of Brain and Cognitive Sciences Massachusetts Institute of Technology United States Department of Cognitive Science Media Arts and Sciences MIT Media Lab United States Department of Artificial Intelligence and Computer Science MIT United States MIT Artificial Intelligence Laboratory United States

On October 8-10,2009, an interdisciplinary group met in Beverley, Massachusetts, to evaluate the state of the art in the computational modeling of narrative. Three important findings emerged: (1) current work in computational modeling is described by three different levels of representation;(2) there is a paucity of studies at the highest, most abstract level aimed at inferring the meaning or message of the narrative;and (3) there is a need to establish a standard data bank of annotated narratives, analogous to the Penn Treebank. Copyright © 2010, Association for the Advancement of Artificial Intelligence. All rights reserved.

关键词： Computation theory

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An audio processing library for MIR application development in flash

An audio processing library for MIR application development ...

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11th International Society for Music Information Retrieval Conference, ISMIR 2010

作者： Scott, Jeffrey Migneco, Raymond Morton, Brandon Hahn, Christian M. Diefenbach, Paul Kim, Youngmoo E. Department of Electrical and Computer Engineering Drexel University United States Department of Media Arts and Design Drexel University United States

ISBN: (纸本)9789039353813

In recent years, the Adobe Flash platform has risen as a credible and universal platform for rapid development and deployment of interactive web-based applications. It is also the accepted standard for delivery of streaming media, and many web applications related to music information retrieval, such as Pandora, *** and Musicovery, are built using Flash. The limitations of Flash, however, have made it difficult for music-IR researchers and developers to utilize complex sound and music signal processing within their web applications. Furthermore, the real-time audio processing and synchronization required for some music-IR-related activities demands significant computational power and specialized audio algorithms, far beyond what is possible to implement using Flash scripting. By taking advantage of features recently added to the platform, including dynamic audio control and C crosscompilation for near-native performance, we have developed the Audio-processing Library for Flash (ALF), providing developers with a library of common audio processing routines and affording Flash developers a degree of sound interaction previously unavailable through webbased platforms. We present several music-IR-driven applications that incorporate ALF to demonstrate its utility. © 2010 International Society for Music Information Retrieval.

关键词： Music

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A New Approach for Aggregated PageRank Computation via Distributed Randomized Algorithms

A New Approach for Aggregated PageRank Computation via Distr...

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IEEE Conference on Decision and Control

作者： Hideaki Ishii Roberto Tempo Er-Wei Bai Department of Computational Intelligence and Systems Science Tokyo Institute of Technology 4259 Nagatsuta-cho Midori-ku Yokohama 226-8502 Japan IEIIT-CNR Politecnico di Torino Corso Duca degli Abruzzi 24 10129 Torino Italy Department of Electrical and Computer Engineering The University of Iowa 4316 Seamans Center for the Engineering Arts and Sciences Iowa City IA 52242-1527 U.S.A.

ISBN: (纸本)9781612848006

At Google, the PageRank algorithm helps rankings in search results by providing measures of web page importance. This paper builds upon the distributed randomized approach for this algorithm proposed in our recent works. To reduce computation and communication, we develop a method to systematically aggregate web pages into groups by exploiting the sparsity inherent in the web. Each group computes an aggregated PageRank, which can be distributed among group members. We provide a decentralized scheme for its computation and analyze convergence properties.

关键词： Distributed computation Multi-agent consensus PageRank algorithm Randomization Search engines

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Mmmmm: A multi-modal mobile music mixer

Mmmmm: A multi-modal mobile music mixer

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International conference on New Interfaces for Musical Expression, NIME 2010

作者： Savage, Norma Saiph Ali, Syed Reza Chavez, Norma Elva UCSB Computer Science CA United States UCSB Media Arts and Technology CA United States UNAM Computer Engineering Mexico City Mexico

This paper presents Mmmmm;a Multimodal Mobile Music Mixer that provides DJs a new interface for mixing music on the Nokia N900 phones. Mmmmm presents a novel way for DJ to become more interactive with their audience and vise versa. The software developed for the N900 mobile phone utilizes the phones built-in accelerometer sensor and Bluetooth audio streaming capabilities to mix and apply effects to music using hand gestures and have the mixed audio stream to Bluetooth speakers, which allows the DJ to move about the environment and get familiarized with their audience, turning the experience of DJing into an interactive and audience engaging process. Mmmmm is designed so that the DJ can utilize hand gestures and haptic feedback to help them perform the various tasks involved in DJing (mixing, applying effects, and etc). This allows the DJ to focus on the crowd, thus providing the DJ a better intuition of what kind of music or musical mixing style the audience is more likely to enjoy and engage with. Additionally, Mmmmm has an "Ambi-ent Tempo Detection mode in which the phones camera is utilized to detect the amount of movement in the environment and suggest to the DJ the tempo of music that should be played. This mode utilizes frame differencing and pixel change overtime to get a sense of how fast the environment is changing, loosely correlating to how fast the audience is dancing or the lights are flashing in the scene. By determining the ambient tempo of the environment the DJ can get a better sense for the type of music that would fit best for their venue. Mmmmm helps novice DJs achieve a better music repertoire by allowing them to interact with their audience and receive direct feedback on their performance. The DJ can choose to utilize these modes of interaction and performance or utilize traditional DJ controls using Mmmmms N900 touch screen based graphics user interface. © 2010, Steering Committee of the International Conference on New Interfaces for Musical E

关键词： Touch screens

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Visualizing the Blogosphere with BlogConnect

Visualizing the Blogosphere with BlogConnect

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IEEE International Conference on and IEEE International Confernece on Social Computing (SocialCom) Privacy, Security, Risk and Trust (PASSAT)

作者： Justus Broß Patrick Schilf Maximilian Jenders Christoph Meinel Zhejiang University College of Electrical Engineering Potsdam China Dept. of Human and Artificial Intelligence Systems University of Fukui Fukui-shi Japan Department of Systems and Computer Science Howard University Washington D.C. Department of Mathematics and Computer Science Univ. of MD Eastern Shore Princess Anne MD Dept. of Information and Media techlnology University of Fukui Fukui-shi Japan Dept. of Information Technology Clayton State University Morrow GA

It can be highly meaningful for individuals, institutions and even governments to extract reliable and insightful trends, opinions or particular pieces of information out of the network single web logs are embedded in - the blogo sphere. However, there has been virtually little in the way of user interfaces designed for the exploration and information gathering from the blogo sphere as a whole to allow for an integrated knowledge collection and information extraction tool. Users have to rely on their own capability to find, select or filter entries and navigate through this complex network, a task that can easily become tedious. An approach to solve this problem could be BLOGCONNECT presented in the following, a tool to visualize the inherent network characteristics of and the aggregated knowledge pool of the blogosphere.

关键词： Blogs Data visualization Visualization Databases Communities Web services USA Councils

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SRLG failure localization in transparent optical mesh networks with monitoring trees and trails

SRLG failure localization in transparent optical mesh networ...

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作者： Babarczi, Péter Tapolcai, János Ho, Pin-Han Wu, Bin Dept. of Telecommunications and Media Informatics Budapest University of Technology and Economics Hungary Department of Electrical and Computer Engineering University of Waterloo Canada

ISBN: (纸本)9781424477975

The paper investigates failure localization in all-optical mesh networks using monitoring trails (m-trails) and monitoring trees (m-trees). By considering shared risk link groups (SRLGs) of different scenarios, integer linear programs (ILP) for m-trail/m-tree allocation are provided that can achieve unambiguous failure localization (UFL) of any single SRLG failure. © 2010 IEEE.

关键词： MESH networking

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