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eConf: an Information system to Manage the Conference

Journal of Physics: Conference Series 2018年第1期1028卷

作者： Ansari Saleh Ahmar Rahmat Hidayat Darmawan Napitupulu Robbi Rahim Yance Sonatha Meri Azmi Department of Statistics Universitas Negeri Makassar Makassar 90222 Indonesia AHMAR Institute Makassar 90222 Indonesia Department of Information Technology Politeknik Negeri Padang Padang 25166 Indonesia Research Center for Quality System and Testing Technology Indonesian Institute of Sciences Jakarta 12710 Indonesia School of Computer and Communication Engineering Universiti Malaysia Perlis Perlis Malaysia

Along with the development of times, there is a growing need for internet among the society. This is not limited to the world of education, somehow. In the world of education, especially higher education, if a lecturer wants to increase his/her rank, he/she needs some publications either in the form of journals, books, or seminar proceedings. One of publications a lecturer commonly does is a seminar both national and international seminars. In conducting the seminar registration, it requires an information system that can accommodate the registrant's data. Therefore, the purpose of this study is to design a web-based conference information system (eConf). This information system was developed using SDLC (system Development Life Cycle) method.

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Using K-Means Clustering to Cluster Provinces in Indonesia

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Journal of Physics: Conference Series 2018年第1期1028卷

作者： Ansari Saleh Ahmar Darmawan Napitupulu Robbi Rahim Rahmat Hidayat Yance Sonatha Meri Azmi Department of Statistics Universitas Negeri Makassar Makassar 90222 Indonesia AHMAR Institute Makassar 90222 Indonesia Research Center for Quality System and Testing Technology Indonesian Institute of Sciences Jakarta 12710 Indonesia School of Computer and Communication Engineering Universiti Malaysia Perlis Perlis Malaysia Department of Information Technology Politeknik Negeri Padang Padang 25166 Indonesia

K-Means Clustering (KMC) is a technique used in performing data groupings. The data classification procedure is based on the degree of membership of each member. The purpose of this study is to group the existing Provinces in Indonesia based on Population Density, School Participation Rate, Human Development Index, and Open Unemployment Rate using K-Means Clustering. The result reveals 5 large clusters in each center in South Sumatra, Lampung, DKI Jakarta, Central Java, and West Kalimantan.

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Internet Utility Evaluation of a Multi-Start Particle Swarm Optimization Beamformer in a Partial Joint Processing Cellular Network

Internet Utility Evaluation of a Multi-Start Particle Swarm ...

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International Conference on Intelligent and Advanced systems

作者： Ali Raed Faisal Fazirulhisyam Hashim Mahamod Ismail Nor Kamariah Noordin Department of Computer and Communication Systems Engineering Universiti Putra Malaysia Department of Electrical Electronic and System Engineering Universiti Kebangsaan Malaysia

ISBN: (纸本)9781509008469

Joint processing (JP) is a powerful mechanism in alleviating inter-cell interference (ICI) and maximizing data rate of cell-edge users. However, JP puts tremendous load on both feedback and backhaul overhead, thus partial JP was proposed to overcome high overhead signaling. Unlike linear techniques such as zero-forcing (ZF), achieving an equivalent backhaul reduction and presenting a totally free ICI system based on limited feedback channel state information can be done by designing and implementing a multi-start particle swarm optimization algorithm (MSPSOA) as a beamforming (BF) mechanism. The performance of the proposed MSPSOA and ZF BF is evaluated based on the acquired spectral efficiency and utility of internet application such as hard real-time, adaptive and elastic applications. The simulation results shows that, the proposed MSPSOA BF achieves spectral efficiency up to 69.5% compared to ZF BF, and it maintains total utility for high data rate requirements of three common internet traffic such as hard real-time, adaptive and elastic applications.

关键词： Utility Functions Joint Processing Interference Avoidance Beamforming Particle Swarm Zero-Forcing

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Combination Base64 Algorithm and EOF Technique for Steganography

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Journal of Physics: Conference Series 2018年第1期1007卷

作者： Robbi Rahim Heri Nurdiyanto Rahmat Hidayat Ansari Saleh Ahmar Dodi Siregar Andysah Putera Utama Siahaan Ilham Faisal Sayuti Rahman Diana Suita Ahmad Zamsuri Dahlan Abdullah Darmawan Napitupulu Muhammad Ikhsan Setiawan S Sriadhi School of Computer and Communication Engineering Universiti Malaysia Perlis Malaysia Department of Informatics STMIK Dharma Wacana Metro Lampung Indonesia Department of Information Technology Politeknik Negeri Padang Indonesia Departement of Statistics Universitas Negeri Makasar Indonesia Department of Informatics Engineering Universitas Harapan Medan Indonesia Department of Informatics Universitas Harapan Medan Medan Indonesia Department of Informatics Universitas Lancang Kuning Pekanbaru Indonesia Department of Informatics Universitas Malikussaleh Aceh Indonesia Research Center for Quality System and Testing Technology Indonesian Institute of Sciences Indonesia Department of Civil Engineering Narotama University Indonesia Department of Electrical Engineering Universitas Negeri Medan Indonesia

The steganography process combines mathematics and computer science. Steganography consists of a set of methods and techniques to embed the data into another media so that the contents are unreadable to anyone who does not have the authority to read these data. The main objective of the use of base64 method is to convert any file in order to achieve privacy. This paper discusses a steganography and encoding method using base64, which is a set of encoding schemes that convert the same binary data to the form of a series of ASCII code. Also, the EoF technique is used to embed encoding text performed by Base64. As an example, for the mechanisms a file is used to represent the texts, and by using the two methods together will increase the security level for protecting the data, this research aims to secure many types of files in a particular media with a good security and not to damage the stored files and coverage media that used.

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Determining the ultrasound time of response using FPGA-based electronics read-out

Determining the ultrasound time of response using FPGA-based...

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IEEE EMBS Conference on Biomedical engineering and Sciences (IECBES)

作者： N. Ahmad M. I. Saripan M. H. Marhaban F. Z. Rokhani W. H. M. Saad Department of Computer Engineering Universiti Teknologi Mara Malaysia Department of System Computer and Communication Universiti Putra Serdang Malaysia Department Computer Engineering Faculty of Electronic and Computer Universiti Teknikal Malaysia Melaka Malaysia

ISBN: (纸本)9781467377928

This paper presents a system to measure accurate value of time of response (TOR) for ultrasound transducer pairs based on Field Programmable Gate Arrays (FPGA). In the experiment, the transmitter is set to transmit the pulse to the target object and the reflected signal is then captured by the receiver. The time taken for the signal to travel back to the receiver is measured by TOR. FPGA technology and data acquisition system were used to generate a pulse at the transmitter site. The pulse is projected directly to the targeted object and the signal that has been reflected from the object will be captured three times by the receiver. The results show that the TOR value obtained can be calculated accurately. The best TOR found in this study is the signal capture 1 with the lowest percentage error of 0.819%.

关键词： Acoustics Biomedical measurement Receivers Field programmable gate arrays Ultrasonic imaging Ultrasonic variables measurement Transmitters

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Block Architecture Problem with Depth First Search Solution and Its Application

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Journal of Physics: Conference Series 2018年第1期954卷

作者： Robbi Rahim Dahlan Abdullah Janner Simarmata Andri Pranolo Ansari Saleh Ahmar Rahmat Hidayat Darmawan Napitupulu Heri Nurdiyanto Bayu Febriadi Z Zamzami School of Computer Engineering and Communication Universiti Malaysia Perlis Malaysia Komunitas Kolaborasi Publikasi Indonesia (KO2PI) Indonesia Department of Informatics Universitas Malikussaleh Aceh Indonesia Universitas Negeri Medan Medan Indonesia Department of Informatics Universitas Ahmad Dahlan Indonesia Department of Statistics Universitas Negeri Makassar Indonesia Department of Information Technology Politeknik Negeri Padang Indonesia Research Center for Quality System and Testing Technology Indonesian Institute of Sciences Indonesia Department of Informatics STMIK Dharma Wacana Indonesia Department of Information System Universitas Lancang Kuning Indonesia

Searching is a common process performed by many computer users, Raita algorithm is one algorithm that can be used to match and find information in accordance with the patterns entered. Raita algorithm applied to the file search application using java programming language and the results obtained from the testing process of the file search quickly and with accurate results and support many data types.

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Fast High-resolution Miniature Two-photon Microscopy for Brain Imaging in Freely-behaving Mice at the Single-spine Level

Fast High-resolution Miniature Two-photon Microscopy for Bra...

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中国神经科学学会第十二届全国学术会议

作者： Weijian Zong Runlong Wu Mingli Li Yanhui Hu Yijun Li Jinghang Li Hao Rong Haitao Wu Yangyang Xu Yang Lu Hongbo Jia Ming Fan Zhuan Zhou Yunfeng Zhang Aimin Wang Liangyi Chen Heping Cheng State Key Laboratory of Membrane Biology Institute of Molecular Medicine PekingTsinghua Center for Life Sciences Peking University Department of Cognitive Sciences Institute of Basic Medical Sciences Department of Neurobiology Institute of Basic Medical Sciences Brain Research Instrument Innovation Center Suzhou Institute of Biomedical Engineering and Technology Chinese Academy of Sciences State Key Laboratory of Advanced Optical Communication System and Networks School of Electronics Engineering and Computer Science Peking University

Recent developments in miniaturized microscopes have furthered the quest to visualize brain activities and structural dynamics in animals engaged in self-determined behaviors. However, it remains an unmet challenge to resolve activity at single dendritic spines, the elemental units underlying neuronal computation, in freely-behaving animals. Here, we report the design, testing, and application of a fast, high-resolution, miniaturized two-photon microscope（FIRM-TPM） that accomplishes this goal. With a headpiece weighing 2.15 g and a new type of hollow-core photonic crystal fiber to deliver 920-nm femtosecond laser pulses, the FIRM-TPM is capable of imaging commonly used biosensors at high spatiotemporal resolution（0.64 μm laterally and 3.35 μm axially, 40 Hz at 256 × 256 pixels）. Its micro-electromechanical systems scanner also enables random-access capability and free-line scanning at up to 10,000 Hz. It compares favorably with benchtop two-photon microscopy and miniature wide-field fluorescence microscopy in the structural and functional imaging of Thy1-GFP-or GCa MP6 f-labeled neurons. Further, we demonstrate its unique application and robustness with hour-long recording of neuronal activities down to the level of spines in mice experiencing vigorous body and head movements or engaging in social interaction. Thus, our new generation miniature microscope provides neuroscientists the long-sought tool-of-choice for imaging the brain at the synaptic level in freely-behaving animals.

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Plasma instability of 2d electrons in a field effect transistor with a partly gated channel

Plasma instability of 2d electrons in a field effect transis...

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作者： Petrov, Aleksandr S. Svintsov, D. Rudenko, M. Ryzhii, V. Shur, M.S. Laboratory of 2D Materials' Optoelectronics MIPT Dolgoprudny Russia Research Institute of Electrical Communication Tohoku University Sendai Japan Department of Electrical Computer and System Engineering Department of Physics Applied Physics and Astronomy Rensselaer Polytechnic Institute TroyNY United States

We predict the instability of plasma waves excited by a DC current in the field-effect transistors (FETs) with a partly gated channel. The excitation of plasma waves is due to amplified reflection from the boundary of the gated and ungated regions. The boundary also supports the turbulent edge modes whose increment strongly depends on the ratio of the carrier densities in the two FET regions. © 2016 World Scientific Publishing Company.

关键词： Plasma stability

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Content validity of critical success factors for e-Government implementation in Indonesia

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IOP Conference Series: Materials Science and engineering 2018年第1期352卷

作者： D Napitupulu M Syafrullah R Rahim A Amar YG Sucahyo Research Center for Quality System & Testing Technology Indonesian Institute of Sciences Tangerang Selatan Banten Indonesia Program Studi Magister Ilmu Komputer Universitas Budi Luhur Ciledug Raya Petukangan Utara Kebayoran Lama Jakarta Selatan School of Computer and Communication Engineering Universiti Malaysia Perlis Malaysia Department of Statistics Universitas Negeri Makassar Makassar Indonesia Computer Science Faculty Universitas Indonesia Depok Jawa Barat

The purpose of this research is to validate the Critical Success Factors (CSFs) of e-Government implementation in Indonesia. The e-Government initiative conducted only to obey the regulation but ignoring the quality. Defining CSFs will help government agencies to avoid failure of e-Government projects. A survey with the questionnaire was used to validate the item of CSF based on expert judgment through two round of Delphi. The result showed from 67 subjects in instrument tested; there are 11 invalid items deleted and remain only 56 items that had good content validity and internal reliability. Therefore, all 56 CSFs should be adopted by government agencies in Indonesia to support e-Government implementation.

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An algorithm of association rules mining for massive data based on partly disk resident FP-TREE exploiting b+ tree index

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Journal of Computational and Theoretical Nanoscience 2016年第8期13卷 5119-5126页

作者： Yan, Shen Yuquan, Zhu Shunlin, Song Chunhua, Liu Department of Information Administration and Information System Jiangsu University Zhenjiang Jiangsu212013 China Department of Computer Science and Communication Engineering Jiangsu University Zhenjiang Jiangsu212013 China

As the size of the data set mined is increasing constantly, the size of the available memory has become one bottleneck when FP-GROWTH and similar algorithms are used for association rules mining. So it is necessary to tackle scalability by some new algorithms in order to mine association rules from massive data with low user-specified support. Nowadays, the disk resident algorithms have become a main research target. Therefore, based on LIFO storage strategy and the thought of storing FP-TREE partly exploiting B+ tree index, a novel algorithm called DRBFP-MINE (disk resident B+ tree FP-TREE mine) is presented in this paper. This algorithm decreases memory occupation through storing FP-TREE partly based on optimized storage strategy and high efficient index technology. When the mining job fails because FP-GROWTH and similar algorithms use too much memory, DRBFP-MINE can discover association rules from massive data successfully. In addition, DRBFP-MINE overcomes the low efficiency problem of DISK-MINE, which projects data set too early only because some FP-TREE can not be accommodated in the available memory. The verification experiments and performance analyses are presented on synthetic data set and real data set. The experimental results show that on the limited memory occasions, DRBFP-MINE is an effective disk resident association rules mining algorithm for massive data. © Copyright 2016 American Scientific Publishers All rights reserved.

关键词： Association rules

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