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1st International Conference on Technology Innovation and Its Applications, ICTIIA 2022

作者： Pratama, Yudhistira Adhitya Iswara, Bagus Ajie Nababan, Adli Abdillah Information System Studies Program Pelita Harapan University Medan Campus Faculty Of Computer Science Medan Indonesia Master's Study Program Informatics Engineering Universitas Sumatera Utara Faculty Of Computer Science And Information Technology Medan Indonesia Digital Business Study Program Stmik Pelita Nusantara Medan Indonesia

ISBN: (数字)9781665488266

ISBN: (纸本)9781665488266

Widyaiswara is required to show the best performance to fulfill his duties and obligations. Therefore, it is very important to measure the performance of the Widyaiswara, so that it can be used as evaluation material by the BPSDM PROVSU. However, the assessment process that occurs is still not precise and time-consuming. Therefore, to minimize this, a decision support system is needed that can minimize time errors and data processing in decision-making so that the assessment runs well and accurately. This system was built by applying the WASPAS method and the TOPSIS method. Based on the results of tests carried out five times, the results of the WASPAS method processing time resulted in an average processing time of 0.00029791 ms and an average memory usage value of 2.836.44 kb, while the results of the TOPSIS method processing time test resulted in an average processing time - an average of 0.000296428 ms and an average memory usage value of 2.862.34 kb. © 2022 IEEE.

关键词： Decision support systems

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An efficient ICA approach based on neural network framework for biomedical applications

An efficient ICA approach based on neural network framework ...

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2010 6th IEEE World Congress on Computational Intelligence, WCCI 2010 - 2010 International Joint Conference on Neural Networks, IJCNN 2010

作者： Lin, Yue-Der Hsu, Chih-Yu Chen, Hung-Yun Tseng, Kuo-Kun Department of Automatic Control Engineering Master Program of Biomedical Informatics and Biomedical Engineering Feng Chia University Taichung Taiwan Department of Information and Communication Engineering Chaoyang University of Technology Wufeng Taichung County Taiwan Department of Automatic Control Engineering Feng Chia University Taichung Taiwan Department of Computer Science and Engineering HungKuang University Taichung Taiwan

ISBN: (纸本)9781424469178

The paper developed a block-wise approach for ICA algorithms which can improve the computational efficiency of ICA without the degradation of performance for the separation of biomedical signals. Source signals including electrocardiogram (ECG), electromyogram (EMG) and 60-Hz sinusoid are linearly mixed for experimental tests. The mean-square errors (MSE) between the original sources and the separated signals are calculated for the evaluation of separation performance. These results demonstrated that the proposed block-wise approach can achieve the desired separation performance of signals in a more efficient way. © 2010 IEEE.

关键词： Independent component analysis

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Improved IP lookup technology for trie-based data structures

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Journal of Computer and System Sciences 2023年 133卷 41-55页

作者： Lin, Yen-Heng Hsieh, Sun-Yuan Master Degree Program on Artificial Intelligence National Cheng Kung University Tainan701 Taiwan Department of Computer Science and Information Engineering Institute of Manufacturing Information Systems Institute of Medical Informatics National Cheng Kung University Tainan701 Taiwan Department of Computer Science and Information Engineering National Chi Nan University Nantou Puli Township54561 Taiwan

Many Internet protocol (IP) lookup algorithms have been formulated to improve network performance. This study reviewed and experimentally evaluated technologies for trie-based methods that reduce memory access, memory consumption and IP lookup time. Experiments involving binary tries (for simplicity) were conducted on four real-world data sets, two of which were on IPv4 router tables (855,997 and 876,489 active prefixes) and two of which were on IPv6 router tables (155,310 and 157,579 active prefixes). Technologies designed to reduce time taken (at the expense of memory consumption) worked well for IPv4, and those designed to reduce memory consumption worked well for IPv6. Various combinations of these technologies were applied together in the experiments. © 2022 Elsevier Inc.

关键词： Table lookup

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Mobile phone auto registration to OpenBTS-based cellular network in disaster situation

Mobile phone auto registration to OpenBTS-based cellular net...

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International Conference on Telecommunication Systems, Services, and Applications (TSSA)

作者： Elvanno Hatorangan Tutun Juhana Telematics and Telecommunication Network Master Program School of Electrical Engineering and Informatics Institute of Technology Bandung Bandung Indonesia

When disasters occurs, cellular network might be down and cannot serve subscribers anymore. On the other hand, many victims trapped in a wreckage might still have access to their mobile phone. An OpenBTS-based cellular network has been long before known as an ideal solution to rapidly deploy emergency GSM cellular network in situation after disaster. The problem arise when victims' mobile phone only associated to the providers' network where the SIM card come. Even though it can manually associate to available network in an emergency situation, but victims' situation and knowledge might prevented them in doing that. In this work we propose method to enable mobile phones automatically associates themselves to OpenBTS-based cellular network.

关键词： Mobile handsets GSM Testing Mobile communication Mobile computing Portable computers Switches

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Free vibration of orthotropic Levy-type solution plates by using SEM 7

Free vibration of orthotropic Levy-type solution plates by u...

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7th International Conference on Euro Asia Civil engineering Forum, EACEF 2019

作者： Kiryu, S. Alisjahbana, S.W. Alisjahbana, I. Han, A.L. Gan, B.S. Department of Architecture Graduate School of Engineering Nihon University Koriyama Japan Faculty of Engineering and Informatics Bakrie University Jakarta Indonesia Department of Civil and Environmental Engineering Master Program Student Stanford University CA United States Civil Engineering Department Faculty of Engineering Universitas Diponegoro Semarang Indonesia Department of Architecture College of Engineering Nihon University Koriyama Japan

Orthotropic Levy-type solution plates considering shear deformation were solved by using the Spectral Element Method (SEM). In SEM, the exact solution of structural dynamic related problems can be solved by using the frequency-dependent shape functions. The solutions of SEM are accurate in decreasing the amount of Degree Of Freedoms (DOF) to discard the cost and computational disadvantages in the Finite Element Method (FEM). This study investigates the free vibration problems of orthotropic Levy-type solution plates solutions based on the two variable Refined Plate Theory (RPT). SEM for orthotropic Levy-type solution plates in the frequency domain was formulated to solve free vibration problems. The differential governing equations of the orthotropic plate element in SEM are formulated into the form of transcendental stiffness matrices. The boundary conditions of the spectral element model consist of four edge-type DOFs at each side of the orthotropic Levy-type solution plates. The natural frequencies of the plate are calculated by means of the Wittrick-Williams procedure. The numerical investigations are presented to show the accuracy, efficiency, and effectiveness of SEM without any discretization scheme. © Published under licence by IOP Publishing Ltd.

关键词： Stiffness matrix

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Enhanced SERS Detection Using TiO₂ Photonic Crystals with In-Situ-Grown Au/Ag Nanoparticles

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ACS Applied Nano Materials 2025年

作者： Wang, Zeyu Wu, Jake Li, Xiangming Chen, Xiaoliang He, Chunjie Shao, Jinyou Louh, Rong-Fuh Frontier Institute of Science and Technology and Micro- and Nanotechnology Research Center State Key Laboratory for Manufacturing Systems Engineering Xi’an Jiaotong University Shaanxi Xi’an 710049 China Master’s Program of Biomedical Informatics and Biomedical Engineering Feng Chia University Taichung 407 Taiwan Micro-and Nanotechnology Research Center State Key Laboratory for Manufacturing Systems Engineering Xi’an Jiaotong University Shaanxi Xi’an 710049 China Electronic Materials Research Laboratory Key Laboratory of the Ministry of Education International Center for Dielectric Research Shannxi Engineering Research Center of Advanced Energy Materials and Devices Xi’an Jiaotong University Shaanxi Xi’an 710049 China

Surface-enhanced Raman spectroscopy (SERS) has been widely utilized for the detection of disease biomarkers, pesticides, and environmental pollutants due to its exceptional sensitivity, real-time responsiveness, and unique interactions between adsorbates and substrates. Here, we present a composite metal/semiconductor material comprising TiO₂ nanosphere substrates integrated with in-situ-grown Au or Ag nanoparticles (NMNPs@TiO₂). These composite nanospheres are assembled by an electrophoretic self-assembly process to form a photonic crystal structure with three-dimensionally ordered periodic geometric features and show remarkable sensitivity and stability for SERS detection, achieving a detection limit as low as 10^-9 M for Rhodamine 6G. Beyond merely enhancing SERS signals by generating uniformly distributed metal plasmonic “hot spots” on TiO₂ substrates, similar to traditional semiconductor substrates, this photonic crystal substrate also exhibits advanced light absorption and localization capabilities. The absorbed light drives the defect excitation of TiO₂, facilitated by its multicrystalline structure. Excited electrons from the TiO₂ nanospheres contribute to the enhancement of localized surface plasmon resonance through charge transfer to noble-metal nanoparticles. Additionally, the synthesis of NMNPs@TiO₂ nanospheres avoids the use of toxic reagents, and substrate assembly is achieved through a simple electrodeposition process. This approach simplifies fabrication while enabling the production of SERS detectors with exceptional spatial and temporal signal stability. With increasing demands for higher detection sensitivity, signal uniformity, and detector durability for SERS detection applications, the NMNPs@TiO₂ nanosphere-based photonic crystal substrate underscores its potential to significantly improve the SERS detection efficiency, making it ideal for ultrasensitive che

关键词： electric deposition photonic crystal semiconductor SERS synthesis

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Minimizing the Number of Stunting Prevalence Using the Euclid Algorithm Clustering Approach 7

Minimizing the Number of Stunting Prevalence Using the Eucli...

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7th IEEE International Conference of Computer Science and Information Technology, ICOSNIKOM 2023

作者： Zarlis, Muhammad Oktavia, Tanty Buaton, Relita Ernawan, Ferda Andrian, Kevin Bina Nusantara University Information System Management Department BINUS Graduate Program - Master of Information System Management Jakarta11480 Indonesia STMIK Kaputama Informatics Engineering Binjai20714 Indonesia Universiti Malaysia Pahang Al-Sultan Abdullah Faculty of Computing Pekan26600 Malaysia BINUS Graduate Program-Master of Information Systems Management Bina Nusantara University Department of Information Systems Management Jakarta Indonesia

ISBN: (纸本)9798350360752

Superior and quality human resources are based on healthy human resources with indicators of adequate nutritional intake according to age development. However, the world still faces the problem of hunger and malnutrition today. According to a UNICEF report, the number of people suffering from malnutrition in the world will reach 767.9 million people in 2021. The World Health Organization (WHO) said that malnutrition is a dangerous threat to the health of the world's population. Stunting also has an impact in Indonesia, the prevalence of toddlers experiencing stunting in Indonesia is 24.4% in 2021. The solution created is to classify and cluster the prevalence of stunting to produce a pattern that can be used as best practice to be transmitted to other affected areas. The algorithm used is Euclid. The Euclid algorithm can cluster stunting prevalence data into 4 clusters with the very little category at 79%, the little category at 67%, the many categories at 51%, and the very much category at 21%. The results of the classification and clustering of the best stunting prevalence in cluster one with a very small number, can be used as a source of accurate and updated information that can be used by the government in its efforts to optimize stunting handling in each district/city based on artificial intelligence which can provide handling and optimization patterns. stunting in every district/city. © 2023 IEEE.

关键词： Classification (of information)

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Topic Relation Graph Construction to Identify Challenges in Introducing programming in Indonesian K-12 Education 1

Topic Relation Graph Construction to Identify Challenges in ...

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1st IEEE International Conference on Smart Technology, ICE-SMARTec 2023

作者： Ayub, Mewati Karnalim, Oscar Toba, Hapnes Wijanto, Maresha Caroline Dulimarta, Hans Saputra, Williyandie Kotambunan, Tabitha Emanuella Master Program of Computer Science Maranatha Christian University Bandung Indonesia Ewha Womans University Dept. of Computer Science and Engineering Seoul Korea Republic of School of Computing Grand Valley State University MI United States Informatics Engineering Maranatha Christian University Bandung Indonesia

ISBN: (纸本)9798350306156

programming can help K-12 students to develop their 21st-century core skills. Despite the benefits, programming is not common to be delivered in Indonesian K-12 education. There is a need to understand potential challenges in introducing programming to K-12 students. We developed a questionnaire survey covering four identified dimensions of challenges: administrative, facilities, teachers, and students. We also asked about common programming assessments and their preferred software features for teaching programming. Forty K-12 teachers were invited to complete the survey. The responses were analyzed with thematic analysis using a bigram-based Latent Dirichlet Allocation topic modeling and descriptive statistics. Our study shows that the challenges include limited learning modules, an insufficient number of computers, limited programming skills, and limited computational thinking skills. Scratch was the most common programming language used and many programming assessments were about debugging a program or writing a small program. Visualization and animation can be helpful in teaching programming. © 2023 IEEE.

关键词： Students

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Exploring the Impact of Word Embedding Dimensions on Depression Data Classification Using BiLSTM Model

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Procedia Computer Science 2023年 227卷 298-306页

作者： Merinda Lestandy Abdurrahim Department of Electrical Engineering Faculty of Engineering Universitas Muhammadiyah Malang Malang 65144 Indonesia Informatics Master Program Faculty of Industrial Technology Universitas Islam Indonesia Yogyakarta 55584 Indonesia

Depression is a mental health issue that impacts over 300 million individuals worldwide. Daily anxiety impacts the relationships of depressed individuals with their family and friends, affects their health, and, in the worst-case scenario, leads to suicide. Due to the an increase of social networks, a vast majority of people now express their thoughts, feelings, and emotions via social media. The researchers mainly focused on features and building predictions, making it difficult for them to detect depression via social media. Word embedding offers a potential solution for processing and transforming unstructured data into meaningful representations. Embedded words represent textual data as numeric numerals with equivalent meaning. Using the Bidirectional Long Short-Term Memory (Bi-LSTM) paradigm, this investigation attempts to experiment with various weighting dimensions using the Word2Vec and GloVe methods. The data used is Depression: Reddit Dataset labelled: depressed and non-depressed. The experimental results of word weight dimensions using Word2Vec with a dimension of 500 are better than Glove. The results of accuracy, precision, recall and f1-score for the Word2Vec method were 96.22%, 97.02%, 95.30% and 96.15%, while the Glove method was 95.91%, 96.40%, 95.30% and 95.85% with a dimension of 200. Overall, Word Embedding Dimensions influences the results of this study. Based on these findings, it is concluded that the proposed Word2Vec method is a significant approach.

关键词： Social Media Depression Word Embedding BiLSTM

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Indonesian Text-To-Speech system using syllable concatenation: Speech optimization

Indonesian Text-To-Speech system using syllable concatenatio...

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International Conference on Instrumentation, Communications, Information Technology, and Biomedical engineering (ICICI-BME)

作者： Richard Mengko Aulia Ayuningtyas School of Electrical Engineering& Informatics Institute of Technology Bandung Indonesia Electrical Engineering Master Program Institute of Technology Bandung Indonesia

In the Indonesian language (bahasa), a strong correlation between sounds and letterscan be found, due to the fact that every single letter in a syllable is strongly pronounced. This `feature' enables the creation of a syllable sound library with a one to one mapping to its written form. A previous investigation [2] suggest that a total of 1881 syllable sound library is needed to build an Indonesian Text to Speech System (TTS), using the syllable concatenation *** paper discuss the optimization of the Indonesian Text-To-Speech (TTS) that has been implemented earlier. The optimization is focused on the syllable sound data base quality and in the integration of syllables during the playback process. Three major improvements is explored here, syllable sound database pre-processing, syllabification method and playback algorithms to reach human reading speed.

关键词： Speech Optimization Biomedical engineering Libraries Synthesizers Instruments Information technology

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