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arXiv 2018年

作者： Wi Tay, Noel Nuo Yang, Sheng-Chi Lee, Chang-Shing Kubota, Naoyuki Center for Research of Knowledge Application and Web Service National University of Tainan Taiwan Dept. of Computer Science and Information Engineering National University of Tainan Taiwan Graduate School of System Design Tokyo Metropolitan University Tokyo Japan

The use of electronic textbooks (e-book) has been heavily studied over the years due to their flexibility, accessibility, interactivity and extensibility. Yet current shortcomings of e-book, which is often just a digitized version of the original book, does not encourage adoption. Consequently, this leads to a rethinking of e-book that should incorporate current technologies to augment its capabilities, where inclusion of information search and organization tools have shown to be favorable. This paper is on a preliminary work to add intelligence into such tools in terms of information retrieval. Construction of knowledge graph for e-book material with little overhead is first introduced. Information retrieval through typed similarity query is then performed via random walk. Case study demonstrate the applicability of the e-book platform, with promising application and advancement in the area of electronic textbooks. Copyright © 2018, The Authors. All rights reserved.

关键词： Ontology

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Ontology-based Adaptive e-Textbook Platform for Student and Machine Co-Learning

Ontology-based Adaptive e-Textbook Platform for Student and ...

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IEEE International Conference on Fuzzy Systems

作者： Noel Nuo Wi Tay Sheng-Chi Yang Chang-Shing Lee Naoyuki Kubota Center for Research of Knowledge Application and Web Service National University of Tainan Taiwan Dept. of Computer Science and Information Engineering National University of Tainan Taiwan Graduate School of System Design Tokyo Metropolitan University Tokyo Japan

The use of electronic textbooks (e-book) has been heavily studied over the years due to their flexibility, accessibility, interactivity and extensibility. Yet current shortcomings of ebook, which is often just a digitized version of the original book, do not encourage adoption. Consequently, this leads to a rethinking of e-book that should incorporate current technologies to augment its capabilities, where inclusion of information search and organization tools have shown to be favorable. This paper is on a preliminary work to add intelligence into such tools in terms of information retrieval. Construction of knowledge graph for e-book material with little overhead is first introduced. Information retrieval through typed similarity query is then performed via random walk. Case study demonstrates the applicability of the e-book platform, with promising application and advancement in the area of electronic textbooks.

关键词： Education Electronic publishing OWL Information retrieval Ontologies Containers Tools

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Sympathetic cooling of a radio-frequency LC circuit to its ground state in an optoelectromechanical system

arXiv

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arXiv 2020年

作者： Malossi, Nicola Piergentili, Paolo Li, Jie Serra, Enrico Natali, Riccardo Di Giuseppe, Giovanni Vitali, David Physics Division School of Science and Technology University of Camerino CamerinoMCI-62032 Italy INFN Sezione di Perugia via A. Pascoli PerugiaI-06123 Italy Kavli Institute of Nanoscience Department of Quantum Nanoscience Delft University of Technology Delft2628CJ Netherlands Zhejiang Province Key Laboratory of Quantum Technology and Device Department of Physics State Key Laboratory of Modern Optical Instrumentation Zhejiang University Hangzhou310027 China Institute of Materials for Electronics and Magnetism Nanoscience-Trento-FBK Division Povo TrentoI-38123 Italy INFN Trento Institute for Fundamental Physics and Application Povo TrentoI-38123 Italy Dept. of Microelectronics and Computer Engineering ECTM/DIMES Delft University of Technology Feldmanweg 17 Delft2628 CT Netherlands CNR-INO Largo Enrico Fermi 6 FirenzeI-50125 Italy

We present a complete theory for laser cooling of a macroscopic radio-frequency LC electrical circuit by means of an optoelectromechanical system, consisting of an optical cavity dispersively coupled to a nanomechanical oscillator, which is in turn capacitively coupled to the LC circuit of interest. The driven optical cavity cools the mechanical resonator which in turn sympathetically cools the LC circuit. We determine the optimal parameter regime where the LC resonator can be cooled down to its quantum ground state, which requires a large optomechanical cooperativity, and a larger electromechanical cooperativity. Moreover, comparable optomechanical and electromechanical coupling rates are preferable for reaching the quantum ground state. Copyright © 2020, The Authors. All rights reserved.

关键词： Resonant circuits

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Implementation of GPS signal simulation for drone security using Matlab/Simulink 24

Implementation of GPS signal simulation for drone security u...

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24th IEEE International Congress on Electronics, Electrical engineering and Computing, INTERCON 2017

作者： Viet, Hoan Nguyen Kwon, Ki-Ryong Kwon, Soon-Kak Lee, Eung-Joo Lee, Suk-Hwan Kim, Chee-Yong Dept. of IT Convergence and Application Engineering Pukyong National University Pusan Korea Republic of Dept. of IT Dept. of Computer S/W Eng. Dongeui Univ Korea Republic of Dept. of Information and Comm. Eng Korea Republic of Dept. of Security Information Tongmyong University Korea Republic of Div. of Digital Contents and Game Animation Dongeui Univ Korea Republic of

ISBN: (纸本)9781509063628

In this paper, a simulation model of digital intermediate frequency (IF) GPS signal is presented. This design is developed based on mathematical model representing the digitized IF GPS signal. In details, C/A code, navigation data and P code, and the noise models are configured some initial settings simultaneously. Simulation results show that the simulated signals share the same properties with real signals (e.g. C/A code correlation properties, and the spread spectrum). The simulated GPS IF signal data can work as input for various signal processing algorithm of GPS receivers, such as acquisition, tracking, carrier-to-noise ratio (C/No) estimation, and GPS spoofing signal generation. Particularly, the simulated GPS signal can conduct scenarios by adjust SNR values of the noise generator during simulation (e.g. signal outages, sudden changes of GPS signal power), which can be used as setup experiments of spoofing/jamming interference to UAVs for drone security applications. © 2017 IEEE.

关键词： Signal to noise ratio

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IoT Solution for Smart Library Using Facial Recognition

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IOP Conference Series: Materials Science and engineering 2019年第1期495卷

作者： Maulik Upala WK Wong Platform Application Engineer Internet of Things Group Intel Corporation Halaman Kampung Jawa 11900 Bayan Lepas Pulau Pinang Malaysia Dept. of Engineering and Computer Faculty of Engineering and Science Curtin University Malaysia CDT 250 98009 Miri Sarawak Malaysia

Internet has taken a giant leap ahead from 'ICT' to 'Internet of Things', making it possible to connect devices and transfer data with or without human intervention. IoT pillars such as devices, people, processes and data are connected with one another in a way that they can communicate with each other over internet. An attempt has been made to explain the potential impact of IoT on academic libraries and identify library areas where it can be implemented effectively. This paper outlines an initiative to develop an Internet of Things environment in academic library to support library space management such as study room occupancy service using IoT applications. This would enable a growing hands-on experience with the Internet of Things, using the security parameter of —face recognition' as face is a non-intrusive strong biometric for user identification within library management. This proposed solution is a step towards a smart library. The results and analysis show that the proposed IoT solution will accelerate the library rooms' availability process without librarians' intervention.

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Quantum signature of a squeezed mechanical oscillator

arXiv

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arXiv 2019年

作者： Chowdhury, A. Vezio, P. Bonaldi, M. Borrielli, A. Marino, F. Morana, B. Prodi, G.A. Sarro, P.M. Serra, E. Marin, F. CNR-INO L.go Enrico Fermi 6 FirenzeI-50125 Italy I-50019 Italy Institute of Materials for Electronics and Magnetism Nanoscience-Trento-FBK Division Povo Trento38123 Italy Trento Institute for Fundamental Physics and Application Povo TrentoI-38123 Italy INFN Sezione di Firenze Dept. of Microelectronics and Computer Engineering ECTM/DIMES Delft University of Technology Feldmanweg 17 Delft2628 CT Netherlands Dipartimento di Fisica Università di Trento Povo TrentoI-38123 Italy I-50019 Italy

Some predictions of quantum mechanics are in contrast with the macroscopic realm of everyday experience, in particular those originated by the Heisenberg uncertainty principle, encoded in the non-commutativity of some measurable operators. Nonetheless, in the last decade opto-mechanical experiments have actualized macroscopic mechanical oscillators exhibiting such non-classical properties. A key indicator is the asymmetry in the strength of the motional sidebands generated in an electromagnetic field that measures interferometrically the oscillator position. This asymmetry is a footprint of the quantum motion of the oscillator, being originated by the non-commutativity between its ladder operators. A further step on the path highlighting the quantum physics of macroscopic systems is the realization of strongly non-classical states and the consequent observation of a distinct quantum behavior. Here we extend indeed the analysis to a squeezed state of a macroscopic mechanical oscillator embedded in an optical cavity, produced by parametric effect originated by a suitable combination of optical fields. The motional sidebands assume a peculiar shape, related to the modified system dynamics, with asymmetric features revealing and quantifying the quantum component of the squeezed oscillator motion. Copyright © 2019, The Authors. All rights reserved.

关键词： Oscillistors

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FML-based Prediction Agent and Its application to Game of Go

arXiv

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arXiv 2017年

作者： Lee, Chang-Shing Kao, Chia-Hsiu Wang, Mei-Hui Yang, Sheng-Chi Nojima, Yusuke Saga, Ryosuke Shuo, Nan Kubota, Naoyuki Dept. of Computer Science and Information Engineering Knowledge Application and Web Service Research Center National University of Tainan Tainan Taiwan Dept. of Electrical Engineering and Information Science Osaka Prefecture University Osaka Japan Dept. of System Design Tokyo Metropolitan University Tokyo Japan

- In this paper, we present a robotic prediction agent including a darkforest Go engine, a fuzzy markup language (FML) assessment engine, an FML-based decision support engine, and a robot engine for game of Go application. The knowledge base and rule base of FML assessment engine are constructed by referring the information from the darkforest Go engine located in NUTN and OPU, for example, the number of MCTS simulations and winning rate prediction. The proposed robotic prediction agent first retrieves the database of Go competition website, and then the FML assessment engine infers the winning possibility based on the information generated by darkforest Go engine. The FML-based decision support engine computes the winning possibility based on the partial game situation inferred by FML assessment engine. Finally, the robot engine combines with the human-friendly robot partner PALRO, produced by Fujisoft incorporated, to report the game situation to human Go players. Experimental results show that the FML-based prediction agent can work effectively. Copyright © 2017, The Authors. All rights reserved.

关键词： Decision support systems

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Modeling and analysis of data flow in MAC layer of WSN-MCN convergence network

Modeling and analysis of data flow in MAC layer of WSN-MCN c...

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2016 IEEE International Conference on Signal Processing, Communication, Power and Embedded System, SCOPES 2016

作者： Swain, Anita Ray, Arun Kumar Swain, Prasanta Kumar School of Electronics Engineering KIIT University Bhubaneswar751024 India Dept. of Computer Application North Orissa University Baripada757003 India

ISBN: (纸本)9781509046201

With enormous growth of wireless communication technologies, mobile phone plays an important role in future development of ubiquitous network. New cellular devices are equipped with powerful computing, communicating and storage facilities which will improve scalability, energy efficiency and decrease packet delay, etc. The performance metrics like coverage, enhanced target tracking and superior channel capacity can be increased by using mobile sink over a static sink in Wireless Sensor Network (WSN). On the other hand Mobile Cellular Network (MCN) has technology of wide coverage area, powerful nodes and network robustness but it's deployment is expensive. Therefore, integration of MCN and WSN is the need of the hour. This integrated type of communication network minimizes the data loss which is an important challenge that occurs at medium access control (MAC) layer. Therefore Quality of Service (QoS) metrics for data flow is emerging issues which need to be solved. In this paper, we study the issues in convergence of MCN and WSN with respect to MAC layer. An analytical model is designed to study performance metric for data traffic flow from sensor node to mobile phone. The QoS measures in terms of data packet delay, loss of data packets etc. are represented in the form of graphs. © 2016 IEEE.

关键词： Data transfer

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Recommender systems in a patient centric social network - A survey

Recommender systems in a patient centric social network - A ...

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2016 IEEE International Conference on Signal Processing, Communication, Power and Embedded System, SCOPES 2016

作者： Bissoyi, Swarupananda Mishra, Brojo Kishore Patra, Manas Ranjan Dept. of Computer Application North Orissa University Baripada India C. V. Raman College of Engineering Bhubaneswar India Berhampur University Berhampur India

ISBN: (纸本)9781509046201

In a traditional social network, users are concerned with finding people who share similar interests. In a patient centric social network, the user is a patient who is concerned about finding other patients who are having similar conditions or symptoms. A patient centric social network serves the purpose of a Health Recommender System wherein the system recommends similar patients, caregivers to its users. In this paper we survey the existing patient centric social networks, its functions, recommendation techniques used and the evaluation methods employed. Our focus is only on those recommender algorithms and strategies employed in traditional social network recommender systems, which works towards recommending similar patients in a patient centric social network. © 2016 IEEE.

关键词： Recommender systems

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Resourceful association control in wireless mobile environment

Resourceful association control in wireless mobile environme...

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International Conference on Control, Instrumentation, Energy and Communication (CIEC)

作者： Tamal Mondal Saikat Bag Indrajit Bhattachrya Dept. Computer Application Kalyani Govt. Engineering College

A user in IEEE 802.11(Wi-Fi) system must associate to a particular Access Point (AP) to communicate through the Internet. According to the current association method which is based on Receive Signal Strength Index(RSSI), the user first identify its convenient APs and associate with the strongest AP, excluding the fact whether that AP is overloaded or not. In current scenario, the wireless network is increasingly being connected to a wired backbone. This allows the AP's out of band communication among them and leaves opportunities for improved protocol design. As users are not always uniformly distributed in real time networks, some AP's goes through heavy load and some sits idle. In this paper we have tried to modify the existing system by introducing a novel WLAN network architecture that consists of a Master AP, connected to a wired backbone network which will periodically gather information about different subordinate APs connected to it. The coverage of Master AP is much greater so that it can cover the entire area of all other subordinate APs. The Master AP sends the beacon packet which contains the RSSI and existing load of subordinate AP/ APs, if the user is in coverage area of those subordinate AP/APs. This paper mainly concentrated on how the existing load of different subordinate APs will be calculated in Master AP. The existing beacon format (based on RSSI) is modified so that it can also send the existing load with the RSSI field to mobile nodes which are in the coverage of subordinate AP/APs. As a result, the nodes can make a proper judgment on which AP to connect, not only based on RSSI but also by checking the existing load of that AP. In our results we have shown that our proposed scheme performs better than RSSI and Least load first in several scenarios.

关键词： Wireless communication Wireless LAN Throughput Bandwidth Telecommunication traffic Instruments Protocols

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