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                <text>Making AI Work for Government: Critical Success Factors Analysis Using R-SWARA</text>
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                <text>artificial intelligence;government; critical success factors</text>
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                <text>Artificial Intelligence (AI) stands at the forefront of modern technologyand isextensively leveraged by the public sector to enhance  management  and  service  delivery.  Despite its potential, many  organizations face  challenges  in  AI  implementation, including organizational readiness, strategic vision, and leadership support, with the organization dimension being the most critical, followed  by  technology,  process,  and environment.  Addressing  these challenges  requires a  focus  on  organizational readiness,  strategic  vision,  and  leadership  support,  alongside  improvements  in  technology,  processes,  and  environmental factors. This study aims to quantify the Critical Success Factors (CSFs) for successful AI implementation within the Directorate General of Taxes (DGT), offering actionable insights for decision-making and resource allocation. The research utilizes the Rough  Stepwise  Weighted  Assessment  Ratio  Analysis  (R-SWARA)  method  to  analyze  and  prioritize  the  CSFs  for  AI implementation, focusing on dimensions such as technology, organization, process, and environment. The findings highlight the importance of organizational readiness, strategic vision, and leadership support in driving successful AI integration within DGT. Organization is identified as the most critical factor, followed by technology, process, and environment. This research provides  valuable  insights  for  DGT  and  other  public  sector  organizations,  aiding  in  strategic  resource  allocation  and  AI strategy refinement to enhance operational efficiency through AI adoption.</text>
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                <text>Bramanti Brillianto1*, YovaRuldeviyani2, Darmawan Sidiq</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5813/945</text>
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                <text>Master of Information Technology, Facultyof Computer Science, Universitas Indonesia, Jakarta, Indonesia</text>
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                <text>FAJAR BAGUS W</text>
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                <text>Forecasting theStockPrice of PT Astra InternationalUsing theLSTM Method</text>
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                <text>forecasting; stock price; recurrent neural network; long short-term memor</text>
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                <text>Stocks are one of the long-term investment options and represent ownership in a company that can be acquired through buying and selling. Investment carries both profit potential and risks that must be faced by investors when they provide their capital to companies. Accurate stock price forecasts are very important because they provide an estimate of risk. This research aims to forecast the stock price of PT Astra International Tbk (ASII.JK) using a Long Short-TermMemory (LSTM) method. Datasetclosing stockprices weretaken from January 2,2015,to December 30,2020,with atotal observationof1506.This data setis dividedinto 80% for training and 20% for training.Theforecasting resultsshow that the best performance has MSE, MSE, MAE, and MAPE are 151.910, 23076.561, 118.128, and 2.3%, respectively. The model has a batch size of 4 and epochs of 50. This research recommends thatother partiesconsider this method when theyneed tomanage their investment risk in stocks</text>
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                <text>Edwin Setiawan Nugraha2, Zalfani Alika2, Dadang Amir Hamzah3</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5699/944</text>
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                <text>Departmentof Actuarial Science, Facultyof Business, President University, Bekasi, Indonesia</text>
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                <text>FAJAR BAGUS                                                                                       </text>
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                <text>GLCM-BasedFeature Extraction for Alpha Matting on Natural Images</text>
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                <text>mage  matting;threshold  determination;feature  extraction;region  of  interest  and  gray-level  of  co-occurrence matrix</text>
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                <text>The main objective of this research is to determine the optimal threshold value in the unknown region in the alpha-matting operation of natural images. Alpha-mating serves to draw matte from the image used in segmentation. The alpha value is very influential on the quality of segmentation which is determined by the level of threshold value accuracy. The determination ofthe threshold begins by breaking the grayscale image into several sub-imagesusing Region of Interest (RoI). Each sub-imagewas  extracted  using  the  Gray  Level  Co-occurrence  Matrix  (GLCM)  considered  by  the  parameters  of  contrast,  energy,  and entropy at angles of 0°, 45°, 90°, and 135 °. Each feature results in extractions, which are then averaged and normalized in each sub-image. The value is determined as the local threshold value used in the alpha matting operation. Experiments were carried out on 12 natural images from the image-mating dataset to evaluate the performance of the proposed algorithm. The increase in accuracy shows up to 63% by the measurements of experiments, compared to the calculation of adaptive threshold by using the fuzzy CMs Algorithm</text>
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                <text>Ruri Suko Basuki1*, Jehad A.H Hammad</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5644/943</text>
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                <text>1Faculty of Computer Science, Department of Informatic Engineering, Dian Nuswantoro University, Indonesia</text>
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                <text>FAJAR BAGUS  W                                     </text>
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                <text>The problem of automatic parking lot identification and vehicle detection in open areas is becoming increasingly important due to the growth in the number of vehicles in Indonesia, particularlyin big cities, resulting in difficulties in finding parking spaces  during  peak  hours. In  thiscondition,themotorists  often  have  to  compete  for  parking  spaces.  This  research  aims  to develop a smart parking system that integrates YOLOv5 and OpenCV algorithms. This approach combines both algorithms thoroughly to identify parking spaces and detect vehicles in real-time indiverse parking scenarios. It is conducted in an open area with reference to parking conditions at the BRIN Bandung office.This study collected data fromthree different parking lot conditions, namelyempty, partially occupied, and full. In each condition, the system successfully detected the parking lots and  vehicles  accurately.  The  novel  contribution  of  this  research  is  the  development  of  a  smart  parking  system  that  uses  an integrated  approach,  providing  an  effective  solution forthe  challenges  of parking  lot  availability  and  vehicle  detection.  By utilizing the advantages of both algorithms, we successfully created a system that can identify the parking spaces and detect the vehicles  accurately  and  efficiently  under various  parking  circumstances.  Thus,  this  research  makes  a  significant contribution to the development of smart and adaptive parking management technology.</text>
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                <text>Akmal Hidayah1,6*, Sitti Zuhriyah2, Billy Eden William Asrul3,Yuyun4,5, Esa Prakasa</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5728/942</text>
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                <text>Dept. of Computer System, Faculty of Computer Science, Handayani University, Makassar, Indonesia</text>
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                <text>FAJAR BAGUS W</text>
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                <text>Comparative Analysis of Recurrent Neural Network ModelsPerformance in Predicting Bitcoin Prices</text>
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                <text>Recurrent Neural Network is a Deep Learning algorithm that is commonly used to develop prediction systems. There are many variants of RNN such as RNN itself, Long Short Term Memory (LSTM), and Gated Recurrent Unit, so it is frequently debatable which algorithm from the RNN family has the most optimal efficiency and computation time. When developing a prediction system, sequential data or time-series data is required so that an accurate prediction can be made. Sequential or time-series data  involves  data  arranged  in  time  sequence,  such  as  weather  data,  financial  data,  carbon  emission  data  and  traffic  data recorded over time. This research will be carried out by predicting the three RNN models against historical Bitcoin value data. The research method used is Experimental Design by comparing the performance between the three models on bitcoin value time series data, testing is done by involving hyperparameters such as Tanh, Sigmoid and ReLU activation functions, batch size, and epochs. The aim of this research is to find out which RNN model can produce the most optimal performance andfind out what performance measurescan be used to evaluate and compare the performance between the three models. The results of the study show that LSTM is the most effective model with RMSE 0.012441 and MSE 0.000155 but inefficient because it takes 3 minutes 24 seconds to run the computation, in the meantime Tanh activation function gives the most optimal prediction than  Sigmoid  and  RelU  and  therefore  should  be  the  main  candidate  to  be  used  with  RNN  models  when  predictingBitcoinprices</text>
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                <text>Departmentof Informatics, Faculty of Information Technology, Perbanas Institute Jakarta, Jakarta, Indonesia</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 8 No 3 (2024)</text>
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                <text>mplementing Continuous Integration and Deployment Strategy: Cloversy.id RESTful API Development</text>
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                <text>The software development cycle involves testing and deployment stages that can be laborious and time-consuming, especially in collaborative projects that involve several developers. Implementing Continuous Integration (CI) and Continuous Delivery (CD)  offers  a  solution  to  streamline  this  process.  This  study  presents  a  case  study  of  the  Cloversy.id  RESTful  API  project, highlighting challenges encountered during development and the implementation of a new system using GitHub Actions as the DevOps tool. The research resulted in the adoptionof a new system, replacing the conventional practices previously employed by  the  Cloversy.id  development  team.  Employing  flowcharts,  the  study  meticulously  mapped  out  the  development  flow, pinpointing bottlenecks and areas for optimization within the cycle. Notably, the implementation of a CI/CD pipeline resulted in a notable improvement, with a 35% increase in speed for CI and a remarkable 39% enhancement for CD. GitHub Actions played a pivotal role in automating critical tasks, reducing reliance on manual intervention, and minimizing dependency on team leaders. The platform's features, including detailed logs and email notifications, empowered team leaders and developersalike to take informed actions swiftly. Furthermore, the study highlights the noveltyof integrating CI/CD by considering factors such as branching strategy, code review practices, testing methodologies, deployment methods, and infrastructure</text>
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                <text>Eric Prima Wijaya1*, Sandy Kosasi2, David3</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5527/938</text>
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                <text>Teknik Informatika, STMIK Pontianak</text>
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                <text>FAJAR BAGUS W</text>
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                <text>Comparisonof Matrix Decomposition in Null Space-Based LDA Method</text>
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                <text>linear  discriminant  analysis; small  sample  size; null  space;singular value  decomposition  (SVD);Cholesky decomposition; QRdecomposition</text>
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                <text>Problems with small sample sizesand high dimensionality are common in pattern recognition.Almost all machine learning algorithms  degrade  in  high-dimensional  data,  so  thatsingularities  in  the  scatter  matrices,  the  main  problem  of  the  Linear Discriminant  Analysis  (LDA)  technique,  might  result.A  null  space-based  LDA  (NLDA)  has  been  conceived  to  address  the singularity issue. NLDA aims to maximize the distance between classesin the null space of the within-class scatter matrix.In the  earliest  research,  the  NLDA  method  was  performed  by  computing  eigenvalue  decomposition  and  singular  value decomposition  (SVD).  This  research  led  to  several  new  implementations  of the NLDA  method  using  other  matrix decompositions.The new implementations include NLDA using Cholesky decomposition and NLDA using QR decomposition. This paper compares the performance of three NLDA methods using different matrix decompositions, namely SVD, Cholesky decomposition,  and  QR  decomposition.Two  sets  of  data  were  used  in  the  experiments  that  used  three  different  NLDA algorithms.To determine the performance of the NLDA methods, the classification accuracy of the three methods was measuredusing the Confusion Matrix. The results show that the NLDA method using SVD has the best performance when compared to the other two methods, achieving 77.8% accuracy for the Colon dataset and 98.8% accuracy for the TKI-resistance dataset</text>
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                <text>Carissa Devina Usman1,Farikhin2, Titi Udjiani</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5637/937</text>
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                <text>Departmentof Mathematics, Facultyof Science and Mathematics, Diponegoro University, Semarang, Indonesia</text>
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                  <text>Vol 8 No 3 (2024)</text>
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                <text>Comparative Analysis ofHybrid ModelPerformanceUsing Stacking and Blending Techniques for Student Drop-OutPrediction in MOOC</text>
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                <text>machine learning, classification, stacking, blending, MOOC</text>
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                <text>Despite being in high demand as a lifelong learner and academic material supplement, the implementation of Massive Open Online Courses(MOOC) has problems, one of which is the dropout rate (DO) of students which reaches 93%. As one of the solutions to this problem, Machine Learning can be utilized as a risk management and early warning system for students who have the potential to drop out. The use of ensemble techniques to build models can improve performance, but previous research has not reviewed the most optimal ensemble technique for this case study. As a form of contribution, this study will compare the  performance  of  models  built  from  stacking  and  blending  techniques.  The  algorithms  used  in  the  base  model  are  KNN, Decision Tree, and Naïve Bayes, while the meta-modeluses XGBoost. These algorithms are used to build models with stacking and blending techniques. The experimental results using stacking are 82.53% accuracy, 84.48% precision, 94.12% recall, and 89.04% F1-Score. Meanwhile, blending obtained 83.39% accuracy, 85.31% precision, 94.21% recall, and 89.54% F1-Score. These results are supported by model testing using k-fold cross-validationand confusion matrix techniques which show the same results. That is, blending is 0.86% higher than stacking so it can be concluded that blending has better performance than stacking in the MOOC student dropout prediction case study</text>
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                <text>Muhammad Ricky Perdana Putra1, Ema Utami</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5760/934</text>
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                <text>Magister of Informatics Engineering, Universitas Amikom Yogyakarta, Yogyakarta, Indonesia</text>
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                <text> 01-06-2024</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 8 No 3 (2024)</text>
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          <element elementId="50">
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                <text>Metaheuristics Approach for Hyperparameter Tuning of Convolutional Neural Network</text>
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                <text>convolutional neural network;hyperparameter;metaheuristics;ACO;GA. HS</text>
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                <text>Deep learning is an artificial intelligence technique that has been used for various tasks. The performance of deep learning is determined by its hyperparameter, architecture as well as training (connection weight and bias). Finding the right combination of those aspects isvery challenging. Convolution Neural Networks (CNN) is a deep learning method that is commonly used for image  classification.  It  has  many hyperparameterstherefore  tuning  its  hyperparameter  is  difficult.  In  this  research, a metaheuristics  approach  is  proposed  to optimisethe  hyperparameter  of  convolution  neural  networks.  Threemetaheuristics methodsare  used  in  this research,  ant colony  optimization  (ACO,)  genetic  algorithm  (GA)and  Harmony  Search  (HS).  Themetaheuristics methods are usedtofind the best combination of8 hyperparameterswith 8 optionseach which creates1.6. 107 ofsolution space.The solution space is too big to explore using manual tuning. The Metaheuristics method willbring benefitsin termsof finding solutions in the search space more effectively and efficiently.The performance of the metaheuristics methodsisevaluated using MNIST datasets. The experiment resultsshow that theaccuracy of ACO, GA and HS are 99,7%, 97.7% and 89,9% respectively. The computationaltime for the ACO, GA and HS algorithmsare 27.9 s, 22.3 s and 56.4 srespectively. It showsthat ACO performsthe best among the three algorithmsin termsof accuracy however its computational time is slightly longer than GA.The experiment results revealthat themetaheuristic approach is promising for the hyperparameter tuning of CNN.Future  research  can  be  directed  to  solve  larger  problems  or enhancethemetaheuristics  operator  to  improve  its performance</text>
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                <text>Hindriyanto Dwi Purnomo1, Tad Gonsalves2, Evangs Mailoa3, Fian Yulio Santoso4, Muhammad Rizky Pribadi</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5730/935</text>
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                <text>Departmentof Information Technology, Facultyof Information Technology, Satya Wacana Christian University, Salatiga, Indonesia</text>
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                <text>01-06-2024</text>
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                <text>FAJAR BAGUS W</text>
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