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作者： Bohg, Jeannette Boix, Xavier Chang, Nancy Chu, Vivian Churchill, Elizabeth F. Fang, Fei Feldman, Jerome González, Avelino J. Kido, Takashi Lawless, William F. Montaña, José L. Ontañón, Santiago Sinapov, Jivko Sofge, Don Steels, Luc Steenson, Molly Wright Takadama, Keiki Yadav, Amulya Max Planck Institute for Intelligent Systems United States Massachusetts Institute of Technology United States Institute of Robotics and Intelligent Machines Georgia Institute of Technology United States Google United States Harvard University United States University of California Berkeley United States Department of Computer Science University of Central Florida United States Preferred Networks in Japan Japan Paine College in Augusta GA United States Department of Mathematics Statistics and Computer Science University of Cantabria Spain Department of Computer Science Drexel University United States Department of Computer Science University of Texas Austin United States Naval Research Laboratory United States Barcelona Spain Carnegie Mellon University School of Design United States University of Electro-Communications Japan Computer Science Department University of Southern California United States

The Association for the Advancement of Artificial Intelligence, in cooperation with Stanford University's Department of computer Science, presented the 2017 Spring Symposium Series, held Monday through Wednesday, March 27-29, 2017, on the campus of Stanford University. The eight symposia held were Artificial Intelligence for the Social Good (SS-17-01);Computational Construction Grammar and Natural Language Understanding (SS-17-02);Computational Context: Why It's Important, What It Means, and Can It Be Computed? (SS-17-03);designing the User Experience of Ma chine-Learning systems (SS-17-04);Interactive Multisensory Object Perception for Embodied Agents (SS-17-05);Learning from Ob servation of Humans (SS-17-06);Science of Intelligence: Com putational Principles of Natural and Artificial Intelligence (SS-17-07);and Well-Being AI: From Machine Learning to Subjectivity-Oriented Computing (SS-17-08). This report, compiled from organizers of the symposia, summarizes the research that took place. © Copyright 2017, Association for the Advancement of Artificial Intelligence. All rights reserved.

关键词： Learning systems

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Access and resources reservation in 4G-VANETs for multimedia applications 13

Access and resources reservation in 4G-VANETs for multimedia...

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13th International Conference on Ad-hoc networks and Wireless, ADHOC-NOW 2014 accompanied by 2nd International Workshop on Emerging Technologies for Smart Devices, ETSD 2014, 2nd International Workshop on Marine Sensors and systems, MARSS 2014, Multimedia Wireless ad hoc networks, MWaoN 2014, Security in Ad Hoc networks, SecAN 2014, 2nd Smart Sensor Protocols and Algorithms, SSPA 2014 and 8th International Workshop on Wireless Sensor, Actuator and Robot networks, WiSARN 2014

作者： Garai, Mouna Mahjoub, Mariem Rekhis, Slim Boudriga, Noureddine Bettaz, Mohamed Communication Networks and Security Research Laboratory University of Carthage Tunis Tunisia Methods of Systems Design Laboratory National School of Computer Science Algiers Algeria

ISBN: (纸本)9783662463376

The development of Vehicular Ad-hoc networks (VANET) has witnessed the release of various multimedia services and made it important to develop architectures and routing protocols capable of (a) handling the multimedia QoSs requirements and the real-time services’ constraints;(b) maximizing the network coverage;and (c) managing resources on the Road Side Units (RSUs), in order to guarantee the continuous delivery of real-time services. In this work, we provide a novel 4G-based VANET heterogeneous architecture, which integrates IEEE 802.11p and 3GPP LTE access networks, to provide access to multimedia services. A tree-based network access scheme is developed, providing a rapid connection and handover to highly mobility vehicles, and allowing to maximize at a large extent the network coverage beyond the area uncovered by RSUs (in the form of LTE eNodeBs). Techniques for the proactive resources provision on the RSUs, and the management of QoS-aware vertical and horizontal handovers, are developed. © Springer-Verlag Berlin Heidelberg 2015.

关键词： Vehicular ad hoc networks

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Cross-sectional shape effects of gate-all-around nanowire field-effect transistors

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Journal of Computational and Theoretical Nanoscience 2015年第12期12卷 5171-5178页

作者： Wang, Hao Chang, Sheng He, Jin Huang, Qijun Wang, Gaofeng School of Physics and Technology Wuhan University Wuhan Hubei430072 China Key Laboratory of Radio Frequency Circuits and Systems of Ministry of Education Microelectronics Computer Aided Design Center Hangzhou Dianzi University Zhejiang310018 China

The cross-sectional shape of gate-all-around nanowire transistor is common to deviate from its design due to the fabrication variations. The cross-sectional shape effects on device performances are studied. Nanowire FETs, which approach the quantum limit of square, rectangular, circular, elliptical, trapezoidal, and triangular cross sections, are investigated by using three-dimensional selfconsistent Poisson-Schrodinger simulations under the nonequilibrium Green's function formalism. The cross-sectional shape has evident effects on the device performances. Corner effects are observed and shown to be a key factor on the device characteristics. Specifically, the quantum confinement in the cross section can remarkably change the carrier distribution and potential profile near corners by comparison to the classical case. Furthermore, it is shown that the elliptical shaped nanowire may be able to carry larger on current than the circular shaped nanowire. This effect can be explained through the quantum confinement effect, which changes the relative importance of different valleys and subbands. Copyright © 2015 American Scientific Publishers All rights reserved.

关键词： Nanowires

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MAMOT: Memory-aware mapping optimization tool for MPSoC

MAMOT: Memory-aware mapping optimization tool for MPSoC

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15th Euromicro Conference on Digital System design, DSD 2012

作者： Jovanovic, Olivera Marwedel, Peter Bacivarov, Iuliana Thiele, Lothar Design Automation for Embedded Systems University of Dortmund Germany Computer Engineering and Networks Laboratory ETH Zuerich Switzerland

ISBN: (纸本)9780769547985

Mapping applications onto multiprocessor system-on-chip (MPSoC) devices is a well-known and complex optimization problem, receiving large interest in recent years. Diverse frameworks for mapping optimization have been developed, that typically distribute application tasks to available processors while optimizing one or more objectives such as performance and energy consumption. However, even though the memory subsystem is a resource that contributes drastically to the overall performance and energy consumption of the MPSoC, no mapping optimization framework is considering it so far. This paper addresses this challenge, and investigates the effect of memory hierarchies for MPSoC mapping. A memory-aware mapping optimization tool (that we refer to as MAMOT) has been developed for this purpose. We primarily focus on heterogeneous MPSoCs with heterogeneous memory hierarchies. Our evaluations show that considering memory mapping during MPSoC mapping optimization may reduce the application runtime up to 29.5% and its energy consumption up to 40%. © 2012 IEEE.

关键词： Multiobjective optimization

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MAMOT: Memory-Aware Mapping Optimization Tool for MPSoC

MAMOT: Memory-Aware Mapping Optimization Tool for MPSoC

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Euromicro Symposium on Digital System design

作者： Olivera Jovanovic Peter Marwedel Iuliana Bacivarov Lothar Thiele Design Automation for Embedded Systems University of Dortmund Germany Computer Engineering and Networks Laboratory ETH Zurich Switzerland

关键词： Instruction sets Optimization Runtime Memory management Energy consumption Evolutionary computation

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WLC22-4: Efficient Request Mechanism Usage in IEEE 802.16

WLC22-4: Efficient Request Mechanism Usage in IEEE 802.16

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IEEE Globecom 2006

作者： Alexey Vinel Ying Zhang Qiang Ni Andrey Lyakhov Information Systems Department Saint Petersburg State University of Aerospace Instrumentation Saint Petersburg Russia Future Radio Concepts Siemens AG Munich Germany Electronic & Computer Engineering School of Engineering and Design Brunei University London UK Laboratory of Information Transmission Networks Institute for Information Transmission Problems RAS Moscow Russia

IEEE 802.16 protocols for metropolitan broadband wireless access systems have been standardized recently. According to the standard, a subscriber station can deliver bandwidth request messages to a base station by numerous methods. This paper provides both the simulation and analytical models for the investigation of specified random access method, which is compared with centralized polling and station- grouping mechanisms. Based on the assumptions of Bernoulli request arrival process and ideal channel conditions, the mean delay of a request transmission is evaluated for varying number of transmission opportunities and different arrival rates.

关键词： Bandwidth WiMAX Analytical models Access protocols Delay design engineering Base stations Multiaccess communication Time division multiple access Scheduling algorithm

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Integrated graphical digital models for the modeling and energy analysis of buildings in relation with energy saving and economical factors

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Technological and Economic Development of Economy 2005年第1期11卷 16-25页

作者： Cinelis, Gintaris Januškevičus, Eugenijus Kazakevtčiute, Geruta Department of Building Structures Vilnious Gedimino Technikos Universitetas LT-01132 Vilnius Trahu̧ g. 1 Lithuania Laboratory of Computer-Aided Architectural Design Vilniaus Gedimino Technikos Universitetas LT-01132 Vilnius Traku̧ g.1 Lithuania Department of Graphical Systems Vilniaus Gedimino Technikos Universitetas LT-10223 Vilnius-40 Sauletekio al. 11 Lithuania Department of Building Structures Vilnius Gediminas Technical University Lithuania Laboratory of Computer-Aided Architectural Design Vilnius Gediminas Technical University Lithuania Department of Graphical Systems Vilnius Gediminas Technical University Lithuania

The paper concerns the theoretical and practical problems of computer aided modeling and energy analysis of newly designed and existing buildings and presents the new results of development of the system MEA (Modeling and Energy Analysis). The factors are pointed out determining the development of the program package MEA. The paper describes the functionality of the created and extended program tools, the methods of construction of the integrated geometric models and analysis of the building model and its database, the data structures used in different designing stages, the user interface, the variant design procedures based on heuristic principles. An example of the analysis and the evaluation of the design solutions of the building under renovation based on energy and economical criterions are presented.

关键词： computer aided architectural design Energy analysis Integrated geometric models Spatial modeling Variant design

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Developing a prototype concurrent design tool for composite topside structures

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NAVAL ENGINEERS JOURNAL 1997年第3期109卷 279-290页

作者： Dirlik, S Hambric, S Azarm, S Marquardt, M Hellman, A Bartlett, S Castelli, V Steve Dirlik:began his career at the Naval Surface Warfare Center Carderock Division in 1981 as an aerospace engineer co-op student. He completed his bachelor of science degree in aeropace and ocean engineering from Virginia Polytechnic Institute and State University in 1985 and his master of science degree in aerospace engineering from the University of Maryland in 1990. Mr. Dirlik recently completed a master of science program in applied physics at The Johns Hopins University and currently works in the Radar Cross Section and Target Physics Branch of the Signatures Directorate at the Naval Surface Warfare Center Corderoke Division. He has worked on Navy low observable programs since 1990. Stephen Hambric:is a research associate at the Applied Research Laboratory at The Pennsylvania State University. He received his B. S. and M.S. degree in mechanical engineering from Virginia Polytechnic Institute and State University and his D. Sc. in mechnical engineering from the George Washington University. He has worked on several computer aided multidiscikplinary design and optimization projects over the years including an automated propeller design system and a structural acoustic optimization capability. Dr. Shpour Azarm:is currently working as an associate professor with the Design and Manufacturing Group of the Department of Mechanical Engineering at the University of maryland at College Park. Dr Azarm's expertise is in the areas of optimization-based designed and concurrent design and optimization of multidisciplinary systems. He was a consultant at Black & Decker Corporation (summer 1996) and worked as a Navy senior summer faculty fellow (summer 1995) and a NASA summer faculty fellow (summer 1994). He was a visiting scientist at NASA Langley Research Center for Multidisciplinary Analysis and Applied Structural Optimzatiom at the University of Siegen in Germany (spring 1992) and the Design Institute of the Technical University of Denmark (summer 1990). Dr Azarm was an associate technical editor of the ASME Jour

A prototype concurrent engineering tool has been developed for the preliminary design of composite topside structures for modern navy warships. This tool, named GELS for the Concurrent Engineering of Layered Structures, provides designers with an immediate assessment of the impacts of their decisions on several disciplines which are important to the performance of a modern naval topside structure, including electromagnetic interference effects (EMI), radar cross section (RCS), structural integrity, cost, and weight. Preliminary analysis modules in each of these disciplines are integrated to operate from a common set of design variables and a common materials database. Performance in each discipline and an overall fitness function for the concept are then evaluated. A graphical user interface (GUI) is used to define requirements and to display the results from the technical analysis modules. Optimization techniques, including feasible sequential quadratic programming (FSQP) and exhaustive search are used to modify the design variables to satisfy all requirements simultaneously. The development of this tool, the technical modules, and their integration are discussed noting the decisions and compromises required to develop and integrate the modules into a prototype conceptual design tool.

关键词： Warships

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Method for distance estimation of single‐phase‐to‐ground faults in electrical distribution networks with an isolated or compensated neutral

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European Transactions on Electrical Power 1995年第3期5卷 193-198页

作者： Lehtonen, M. Matti Lehtonen (1959) received his degrees of Master of Science and Licenciate of Technology both in electrical engineering from the Helsinki University of Technology Helsinki/Finland in 1984 and 1989 respectively. From 1984 to 1987 he was with the Consulting Company Ekono planning industrial power systems and developing computer-aided design systems. Since 1987 he has been with Technical Research Centre of Finland. His main areas of interest are harmonics reactive power compensation ground-fault protection and automation in electrical distribution networks. (Technical Research Centre of Finland Otakaari 7 B SF-02150 E s p Finland T +35 80/4566455 Fax +35 80145665 38)

The paper discusses how current and voltage measurements derived from the substation can be used for single‐phase‐to‐ground fault location in medium‐voltage distribution lines. The networks considered are assumed to be radially operated with either an isolated or compensated neutral. In these networks the fundamental frequency ground fault currents usually are so small that no reasonable fault‐distance estimate can be based on them. A possible solution is the utilisation of ground‐fault initial transients. In this paper a method for ground‐fault distance estimation, based on the least squares estimation of transient parameters, is presented. Copyright © 1995 John Wiley & Sons, Ltd.

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PARALLEL AND DISTRIBUTED TLM COMPUTATION WITH SIGNAL-PROCESSING FOR ELECTROMAGNETIC-FIELD MODELING

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INTERNATIONAL JOURNAL OF NUMERICAL MODELLING-ELECTRONIC networks DEVICES AND FIELDS 1995年第3-4期8卷 169-185页

作者： SO, PPM ESWARAPPA, C HOEFER, WJR NSERC/MPR Teltech Research Chair in RF Engineering Department of Electrical and Computer Engineering University of Victoria Victoria British Columbia V8W 3P6 Canada Poman So received his B.Sc. degree in computer science and physics from the University of Toronto Toronto Onatario Canada in 1985. He obtained his B.A. Sc. and M.A.Sc. degrees in electrical engineering (summa cum laude) from the University of Ottawa Ottawa Ontario Canada in 1987 and 1989 respectively. Mr So was a research engineer in the University of Ottawa from January 1989 to October 1991 his research interests included CAD techniques of microwave circuits and numerical methods for electromagnetic wave modelling. He specialized in the development of electromagnetic engineering CAD software and successfully implemented a number of electromagnetic wave simulators based on the two-dimensional and three-dimensional transmission-line matrix methods. From August 1990 to February 1991 he accompanied Professor W. J. R. Hoefer to Rome Italy and Sophia Antiopolas France. During that time he implemented a parallel version of the 3D-TLM simulator for the CM-2 Connection Machine using C-Star and X Windows Library. He is a research engineer and a Ph.D. student at the University of Victoria Victoria British Columbia Canada. He ported the 2D- and 3D-TLM simulators to DECmpp 1200 massively parallel computer using MPL C and C++. He also combined OSA90/hope a commercially available microwave CAD program with a 2D-TLM simulation module for geometry optimization using the Datapipe technique of OSA90/hope. Recently he has developed a distributed client-server computing technique for the TLM method this technique could accelerate the TLM simulation by more than an order of magnitude. Channabasappa Eswarappa received the M.Tech. degree in electrical engineering from the Indian Institute of Technology Kanpur India in 1983 and Ph. D. degree from the University of Ottawa Canada in 1990. He worked as an Assistant Executive Engineer and later as

This paper describes the implementation of transmission-line matrix (TLM) method algorithms on a massively parallel computer (DECmpp 12000), the technique of distributed computing in the UNIX environment, and the combination of TLM analysis with Prony's method as well as with autoregressive moving average (ARMA) digital signal processing for electromagnetic field modelling. By combining these advanced computation techniques, typical electromagnetic field modelling of microwave structures by TLM analysis can be accelerated by a few orders of magnitude.

关键词： Mathematical models

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