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                  <text>Vol 8 No 4 (2024)</text>
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                <text>The Effect of Resampling Techniques on Model Performance Classification of Maternal Health Risks</text>
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                <text>class imbalance;resampling methods;classification algorithms;maternal health;prediction accuracy;machine learning</text>
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                <text>Indonesia's maternal mortality rate was the second highest in ASEAN, reflecting the problem of class imbalance in maternal health data. This research aimed to improve prediction accuracy in the classification of pregnant women's diseases through the application of various resampling methods. The methods used in this research included Synthetic Minority Over-sampling Technique  (SMOTE),  SMOTE-Edited  Nearest  Neighbor  (SMOTE-ENN),  Adaptive  Synthetic  Sampling  (ADASYN),  and ADASYN-ENN, using five classification algorithms: Decision Tree, K-Nearest Neighbor (KNN), Naïve Bayes, Random Forest, and Support Vector Machine (SVM). Performance evaluation was carried out using accuracy, precision, recall, and F1-score metrics to determine the best method and algorithm. The results showed that the SMOTE-ENN and ADASYN-ENN methods significantly improved themodel'sperformance in predicting maternal disease. Random Forest and Decision Tree algorithms showed the best results in terms of accuracy and consistency. These findings provided practical guidance for the application of resampling techniques in the classification of pregnant women's health data, which could contribute to improving the quality of maternal health services in Indonesia</text>
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                <text>Nia Mauliza1*, Aisha Shakila Iedwan2,Yoga Pristyanto3, Anggit Dwi Hartanto4,Arif Nur Rohman</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5934/955</text>
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                <text>Department of Information Systems, Faculty of Computer Science, Amikom Yogyakarta University, Yogyakarta, Indonesia</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 8 No 4 (2024)</text>
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                <text>Comparative Analysis of Gradient Descent Learning Algorithms in Artificial Neural Networks for Forecasting Indonesian Rice Prices</text>
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            <description>The topic of the resource</description>
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                <text>artificial neural network;backpropagation;learning function;accuracy</text>
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                <text>Artificial Neural Networks (ANN) are a field of computer science that mimics the way the human brain processes data. ANNs can  be  used  to  classify,  estimate,  predict,  or  simulate  new  data  from  similar  sources.  The  commonly  used  algorithm  for prediction  in  ANN  is  Backpropagation,  which  yields  high  accuracy  but  tends to  be  slow  during  the  training  process  and  is prone to local minima. To address these issues, appropriate parameters are needed in the Backpropagation training process, such as an optimal learning function. The aim of this study is to evaluate and compare various learning functions within the Backpropagation algorithm to determine the best one for prediction cases. The learning functions evaluated include Gradient Descent  Backpropagation  (traingd),  Gradient  Descent  with  Adaptive  Learning  Rate  (traingda),  and  Gradient  Descent  with Momentum and Adaptive Learning Rate (traingdx). The dataset used is the average wholesale rice price in Indonesia, obtained from the Central Statistics Agency (BPS) website. The evaluation results show that the traingdx learning function with a 5-5-1 architecture model achieves the highest accuracy of 83.33%, representing an 8.3% improvement over the traingd and traingda learning  functions,  which  both  achieved  a  maximum  accuracy  of  75%.  Based  on  this  study,  it  can  be  concluded  that  using various learning functions in Backpropagation yieldsbetter accuracy compared to standard Backpropagation</text>
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            <description>An entity primarily responsible for making the resource</description>
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                <text>Rica Ramadana1, Agus Perdana Windarto2*, Dedi Suhendro</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5822/949</text>
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                <text>Information Systems Study Program, STIKOM Tunas Bangsa, Pematangsiantar, Indonesia</text>
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                <text> 07-08-2024</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 8 No 4 (2024)</text>
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                <text>Analysis of Sulawesi Earthquake Data from 2019 to 2023 using DBSCAN Clustering</text>
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            <name>Subject</name>
            <description>The topic of the resource</description>
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                <text>clustering; DBSCAN; earthquake; Sulawesi; seismic gap</text>
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            <description>An account of the resource</description>
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                <text>Sulawesi is a region in Indonesia known for its significant seismic activity, and its history of impactful earthquakes makes it an area of crucial importance for in-depth analysis. This study analyses earthquake occurrence data in the Sulawesi region from 2019 to 2023 using clustering methods with the DBSCAN algorithm. The utilization of the DBSCAN algorithm was chosen for its ability to cluster data based on spatial density, well-suited for analyzing the spatial patterns of earthquakes. DBSCAN is known for its effectiveness in identifying spatial clusters, especially in handling data with undefined density patterns. The primary  aim  of  this  research  is  to  identify  spatial  earthquake  occurrence  patterns,  classify  regions with  similar  earthquake occurrence rates, describe the characteristics of the resulting spatial clusters, and identify seismic gap areas. The results of analysis and clustering using the DBSCAN algorithm have identified clusters with earthquake depth characteristics, which are expected to make a significant contribution to mapping and understanding earthquake vulnerability and distribution in this region.  These  findings  can  aid  in  more  effective  disaster  mitigation  planning,  support  sustainable  development  efforts,  and enhance earthquake preparedness and response in Sulawesi. This study contributes to a better understanding of earthquake patterns  and  potential  seismic  gaps  in  Sulawesi,  which  is  crucial  for  developing  improved  risk  mitigation  strategies  and supporting sustainable development policies.</text>
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            <description>An entity primarily responsible for making the resource</description>
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                <text>Ody Octora Wijaya1*, Rushendra</text>
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            <description>A related resource from which the described resource is derived</description>
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              <elementText elementTextId="111529">
                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5819/948</text>
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            <name>Publisher</name>
            <description>An entity responsible for making the resource available</description>
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                <text>Informatics, Faculty of Computer Science, Universitas Mercu Buana, Jakarta, Indonesia</text>
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                <text>04-08-2024</text>
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            <description>An entity responsible for making contributions to the resource</description>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 8 No 4 (2024)</text>
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                <text>Advanced Earthquake Magnitude Prediction Using Regression and Convolutional Recurrent Neural Networks</text>
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          <element elementId="49">
            <name>Subject</name>
            <description>The topic of the resource</description>
            <elementTextContainer>
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                <text>magnitude prediction; CRNN; regression techniques; seismic data analysis; machine learning</text>
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                <text>Earthquake  magnitude  prediction  is critical in  seismology,  with  significant  implications  for  disaster  risk  management  and mitigation.  This  study  presents  a  novel  earthquake  magnitude  prediction  model  by  integrating  regression  analysis  with Convolutional  Recurrent  Neural  Networks  (CRNNs).  It utilisesConvolutional  Neural  Networks  (CNNs)  for  spatial  feature extraction  from  2-dimensional  seismic  signal images  and  Long  Short-Term  Memory  (LSTM)  networks  to  capture  temporal dependencies. The innovative model architecture incorporates residual connections and specialisedregression techniques for sequential  data.  Validated  against  a  comprehensive  seismic  dataset,  the  model  achieves  a  Mean  Squared  Error  (MSE)  of 0.1909  and  a  Root  Mean  Squared  Error  (RMSE)  of  0.4369,  with  a  coefficient  of  determination  of  0.79772.  These  metrics, alongside  a  correlation  coefficient  of  0.8980,  demonstrate  the  model's  accuracy  andconsistency  in  predicting  earthquake magnitudes, establishing its potential for enhancing seismic risk assessment and informing early warning systems</text>
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            <description>An entity primarily responsible for making the resource</description>
            <elementTextContainer>
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                <text>Asep Id Hadiana1*, Rifaz Muhammad Sukma2, Eddie Krishna Putra3</text>
              </elementText>
            </elementTextContainer>
          </element>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5922/965</text>
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                <text>Departmentof Informatics, Facultyof Science and Informatics, Universitas Jenderal Achmad Yani, Cimahi, Indonesia</text>
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                <text>29-08-2024</text>
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                <text>FAJAR BAGUS W</text>
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                <text>Brain stroke stands out as a leading cause of death, distinguishing it from common illnesses and highlighting the critical need to  utilize  machine  learning  techniques  to  identify  symptoms.  Among  these  techniques,  the  Random  Forest  (RF)  algorithm emerged as the main candidate because of its optimal accuracy values. RFwas chosen for its ensemble learning properties that  optimize  accuracy  while  simultaneously,bagging  all  outputs  (DT),  thus  increasing  its  efficacy.  Feature  Selection,  an important data analysis step, which is mainly achieved through pre-processing, aims to identify influential features and ignore less impactful features. Mutual Information serves as an important feature selection method. Specifically, the highest level of accuracy was achieved by cross-validating the test data -10, resulting in 0.7760 without feature selection and 0.7790 with mutual  information.  Most  of  the  attributes  in  the  brain  stroke  dataset  show  relevance  to  the  stroke  disease  class,  but  the resulting  decision  tree  shows  age  as  a  particularly  important  node. So,the  researchresults  show  that  the  selection  feature (Mutual Information) can increase the accuracy of brain stroke classification, although it is not significant, namely an increase of 0.0030%.With an increase, where there is no significant difference, it can be said that almost all the attributes contained in the brain stroke dataset used have an influence on their relevance to the stroke disease class</text>
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                <text>Predicting  student  dropout  is  essential  for  universities  dealing  with  high  attrition  rates.This  study  compares  two  feature selection  (FS)  methods—correlation-based  feature  selection  (CFS)  and  symmetrical  uncertainty  (SU)—in  educational  data mining for dropout prediction. We evaluate these methods using three classification algorithms: decision tree (DT), support vector machine(SVM), and naive Bayes(NB). Results show that SU outperforms CFS overall, with SVM achieving the highest accuracy  (98.16%)  when  combined  with  SUMoreover,  this  study  identifies  total  credits  in  the  fourth  semester,  cumulative GPA, gender, and student domicile as key predictors of student dropout.This study shows how using feature selection methods can improve the accuracy of predicting student dropout, helping educational institutions retain students better</text>
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                <text>Haryono Setiadi1*, Indah Paksi Larasati2, Esti Suryani3, Dewi Wisnu Wardani4</text>
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                <text>Research Group Data Information Knowledge and Engineering, Department of Informatics, Universitas Sebelas Maret, Surakarta, Indonesia</text>
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                <text>FAJAR BAGUS W</text>
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                <text>Recycling of wasteis a significant challenge in modern waste management. Conventional techniques that useinductive and capacitive proximity sensors exhibit limitations in accuracy and flexibility for the detection ofvarious types of waste. Indonesia generates approximately 175,000 tons of waste per day, highlighting the urgent need for efficient waste management solutions.Thisstudy  develops  a  waste  classification  system  based  on  deep  learning,  leveraging  the  powerful  EfficientNet-B0  model through transfer learning. EfficientNet-B0 is designed with a compound scaling method, which uniformly scales network depth, width, and resolution, providing an optimal balance between accuracy and computational efficiency. The model was trained on a dataset containing six classes of waste—glass, cardboard, paper, metal, plastic, and residue—totalling7014 images. The model was trained using data augmentation and fine-tuning techniques. The training results show a test accuracy of 91.94%, a precision of 92.10%, and a recall of 91.94%, resulting in an F1-score of 91.96%. Visualisationof predictions demonstrates that the model effectively classifies waste in new test data. Implementing this model in the industry can automate the waste sorting process more efficiently and accurately thanmethods based on inductive and capacitive proximity sensors. This study underscores the significant potential of deep learning models, particularly EfficientNet-B0, in industrial waste classification applications  and  opens  opportunities  for  further  integration  with  sensor  and  robotic  systems  for  more  advanced  waste management solutions</text>
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                <text>Risfendra1, Gheri Febri Ananda2*, Herlin Setyawan</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5875/961</text>
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                <text>Departmentof Electrical Engineering, Faculty of Engineering, Universitas Negeri Padang, Padang, Indonesia</text>
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                <text>FAJAR BAGUS W</text>
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                <text>Indonesia will hold general elections in 2024. Long before the elections were held, the topic related to elections was widely discussed on news portals and social media, including Twitter. A fewstudies related to Indonesian election have tried to predict candidates who will run for the presidential election, but there has been no research that examines public sentimenton social mediatowards each of the potential candidates.The main objective of this study is to analyze the public sentiment in Twitter towards  potential  candidates  for  the  2024  Indonesian  presidential  election.  This  research  seeks  to  fill  the  gaps  in  previous research and become a reference for further research regarding the sentiment analysis for election prediction using Twitter.The  presidential  candidates  used  in  the  research are  the  top  3 candidates  based on  the Poltracking  survey,  namely  Ganjar Pranowo, Prabowo Subianto, and Anies Baswedan. The dataweretakenfrom Januaryuntil October 2022, more than a year before the general election began. To predict the sentiment, four different machine-learning methods were used and compared to each other. There are Naïve Bayes, Support Vector Machine, Random Forest, and Neural Networks. The result shows that the  number  of  tweets  discussing  each  candidate  from  Januaryuntil  October  2022  has  increased  over  time  for  each  month.Based  on  the  sentiment  results  of  each  candidate,  the  highest  sentiment  towards  Prabowo  is  neutral(55.49%),  the  highest sentiment towards Ganjar is positive (61.34%), and the highest sentiment towards Anies is neutral (44.84%). Result from the study also shows thatAnieswas the presidential candidate who received more negative sentiment than the other two (56.63%). Meanwhile, Ganjar Pranowo got the most positive sentiment of all (42,69%). For the neutral sentiment, Anies Baswedan also got the most results (39,87%), followed by Prabowo (38.99%) and Ganjar Pranowo (21.14%). Result of the study also discovers that Random Forest and Neural Networks have the best performance for sentiment analysis. Other than that, experiment from this research also discovered that using a model for each entity can generate sentiment results specific to the candidate being analyzed, rather than sentiment for the tweet as a whole. This show that a model for each entity can give better results thanusing an aggregated model to determine the sentiment of each candidate</text>
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                <text>Rhoma Cahyanti1, Desiana Nurul Maftuhah2,Aris Budi Santoso3, Indra Budi</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5839/958</text>
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                <text>Faculty of Computer Science, Universitas Indonesia, Depok, Indonesia</text>
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                  <text>Vol 8 No 4 (2024)</text>
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                <text>Classification ofToraja Wood Carving Motif Images Using Convolutional Neural Network (CNN)</text>
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                <text>CNN; image classification; Torajawood carvings</text>
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                <text>Wood carving is a cultural heritage with deep meaning and significance for the Toraja ethnic group's culture. By understanding the meaning of each Toraja carving, both tourists and the local community can gain knowledge about Toraja culture, thereby preserving  and  maintaining  the  culture  amidst  modern  developments.  Image  processing  approaches,  particularly  the development  of  Convolutional  Neural  Networks  (CNN),  offer  a  solution  for  extracting  information  from  the  diverse  and intricate patterns of Toraja wood carvings. This study is highly significant as it implements a deep learning model using the CNN  algorithm  optimized  with  the  ResNet50  architecture.  The  methodology  in  this  study  involves  adjusting  the  batch  size during  the  model  training  phase  and  applying  weak-to-strong  pixel  transformation  during  the  double  threshold  hysteresis phase  in  the  Canny  Feature  Extraction  process  on  the  edges  of  Toraja  carving  images,  resulting  in  ResNet50  architecture accurately  recognizing  the  patterns  of  Toraja  wood  carvings.  The  results  demonstrate  significant  improvements  in  the performance of the ResNet50 architecture with the preprocessed dataset. average precision, recall, precision, and F1-Score improvements in each Toraja carving class. For the Pa' Lulun Pao class, it was found that the precision and recall values were 0.94, and the F1-Score was 0.94. The Pa’ Somba class also showed good results, with a precision value of 0.9697, a recall of 0.96, and an F1-Score of 0.9648. The Pa’ Tangke Lumu class showed even better results, with a precision value of 0.9898, a recall of 0.97, and an F1-Score of 0.9798. The Pa’ Tumuru class also demonstrated good performance, with a precision value of  0.9327, a recall  of  0.97,  and  an  F1-Score  of  0.9500.  This  study  not  only  underscores  the  effectiveness  of  processing  in enhancing CNN capabilities but also opens opportunities for further research in applying these methods to various image types and exploring different CNN architectures for a more comprehensive understanding</text>
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                <text>Nurilmiyanti Wardhani1, Billy Eden William Asrul2*, Antonius Riman Tampang3, Sitti Zuhriyah4, Abdul Latief Arda</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5897/951</text>
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                <text>Faculty of Computer Science, Department of Informatic Engineering, Universitas Handayani Makassar, Indonesia</text>
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                <text>07-08-2024</text>
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                <text>FAJAR BAGUS W</text>
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                <text>ENGLISH</text>
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                  <text>Vol 8 No 4 (2024)</text>
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                <text>Quantum Perceptron: A New Approach for Predicting Rice Prices at the Indonesian Wholesale Trade Leve</text>
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                <text>prediction; rice price; artificial neural networks; perceptron; quantum computing</text>
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                <text>The wholesale rice trade in Indonesia encounters various challenges in forecasting prices. These challenges are influenced  by  factors  such  as  weather,  government  policies,  global  market  conditions,  and  other  economic variables.  Accurate  price  predictions  are  crucial  for  informing  government  policy  in  a  timely  manner.  This research introduces a new approach that utilizes the Quantum Perceptron algorithm to forecast rice prices. The algorithm, an innovative method in quantum computing, is expected to enhance the efficiency and effectiveness of price  predictions.  Although  the  research  is  still  in  the  analytical  stage,  the  use  of  Quantum  Perceptron  shows promise  in  dynamically  addressing  the  complexity  of  market  data  and  the  variability  of  factors  affecting  riceprices. The method focuses on developing models that can leverage quantum computing to process information more  effectively  than  classical  methods.  By  harnessing  the  unique  properties  of  quantum  mechanics,  such  as superposition and entanglement, Quantum Perceptron can identify complex patterns and optimize predictions of future  rice  prices.  The  research  describes  the  implementation  of  quantum  algorithms  in  the  context  of  the Indonesian  rice  wholesale  market,  including  the  technical  challenges  encountered  and  future  development prospects. The research utilizes quantum computing along with the perceptron algorithm. The researchers focused on analyzing the quantum perceptron algorithm because of the limited availability of quantum computing devices. The findings of this research are confined to analysis. In order to advance this research, the author recommends that future studies employ quantum devices to achieve more accurate predictions.</text>
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                <text>Solikhun1*, Tri Yunita</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/5869/950</text>
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                <text>Informatics Engineering Study Program, STIKOM Tunas Bangsa, Pematang Siantar, Indonesia</text>
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                <text>07-08-2024</text>
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                <text>FAJAR BAGUS W</text>
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