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                  <text>Vol 9 No 3 (2025)</text>
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                <text>A Multi-Objective Particle Swarm OptimizationApproach for Optimizing K-Means Clustering Centroids</text>
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                <text>centroid;  k-means; multiobjective  particle  swarm  optimization;  the  sum  of  square  within;  the  sum  of  square between</text>
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                <text>The K-Means algorithm is a popular unsupervised learning method used for data clustering. However, its performance heavily depends on centroid initialization and the distribution shape of the data, making it less effective for datasets with complex or non-linear  cluster  structures.  This  study  evaluates  the  performance  of  the  standard  K-Means  algorithm  and  proposes  a Multiobjective  Particle  Swarm  Optimization  K-Means  (MOPSO+K-Means)  approach  to  improve  clustering  accuracy.  The evaluation was conducted on five benchmark datasets: Atom, Chainlink, EngyTime, Target, and TwoDiamonds. Experimental results show that K-Means is effective only on datasets with clearly separated clusters, such as EngyTime and TwoDiamonds, achieving  accuracies  of  95.6%  and  100%,  respectively.  In  contrast,  MOPSO+K-Means  achieved  a  substantial  accuracy improvement on the complex Target dataset, increasing from 0.26% to 59.2%. The TwoDiamonds dataset achieved the most desirable  trade-off:  it  had  the  lowest  SSW  (1323.32),  relatively  high  SSB  (2863.34),  and  lowest  standard  deviation  values, indicating  compact  clusters,  good  separation,  and  high  consistency  across  runs.  These  findings  highlight  the  potential  of swarm-based optimization to achieve consistent and accurate clustering results on datasets with varying structural complexity</text>
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                <text>Aina Latifa Riyana Putri1*, Joko Riyono2, Christina Eni Pujiastuti3, Supriyadi4</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/6533/1086</text>
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                <text>Data Science, Telkom University, Purwokerto, Indonesia</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 9 No 3 (2025)</text>
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                <text>University Students Stress Detection During Final Report Subject by Using NASA TLX Method and Logistic Regression</text>
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                <text>stress; wearable system; NASA-TLX; heart rate; body temperature</text>
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                <text>Stress is a psychological response that occurs when someone faces pressure or demands that exceed their ability to adapt. In the  context  of  a final-year  student,  stress  is  often  a  significant  problem  due  to  academic  pressure,  such  as completing  final assignments, as well as demands to immediately prepare to enter the workforce and demands to immediately prepare to enter the  workforce.  Research  shows  that  stress  that  is  not  managed  properly  can  cause  various  negative  effects,  such  as  sleep disorders and decreased cognitive function. This study aimed to identify and analyze stress levels among final-year students who  completed  a  final  report  by  integrating  physiological  and  psychological  data.  In  this  study,  30  students  were  assessed using a wearable system to obtain physiological data, such as heart rate and body temperature, while subjective assessments were carried out using the NASA-TLX method to measure mental workload. The results showed that 19 out of 30 respondents experienced significant levels of stress and 11 respondents were in normal conditions, with the main causal factors including high academic pressure and distance regarding the future. In addition, the logistic regression analysis applied in this studysucceeded in developing a predictive model with an accuracy of 94% in identifying students' stress conditions. This shows that this method is sufficiently accurate for detecting stress symptoms in final-year students.</text>
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                <text>Alfita Khairah1, Melinda Melinda2*, Iskandar Hasanuddin3, Didi Asmadi4, Riski Arifin5, Rizka Miftahujjannah6</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/6401/1057</text>
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                <text>ndustrial Engineering Department, Faculty of Engineering, Universitas Syiah Kuala, Banda Aceh, Indonesia</text>
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                <text>May 24, 2025</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 9 No 3 (2025)</text>
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                <text>Obesity Status Prediction Through Artificial Intelligence and Balanced Label Distribution Using SMOTE</text>
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            <name>Subject</name>
            <description>The topic of the resource</description>
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                <text>obesity prediction; SMOTE; random forest; artificial neural network; AI in healthcare</text>
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                <text>Obesity, a global health challenge influenced by genetic and environmental factors, is characterized by excessive body fat that increases the risk of various diseases. With over two billion individuals affected worldwide, addressing this issue is crucial. This  study  investigated  the  application  of  Artificial  Intelligence  (AI)  to  predict  obesity  status  using  a  dataset  of  1,610 individuals, including demographic and anthropometric data. Four AI algorithms were analyzed: Artificial Neural Network (ANN),  K-Nearest  Neighbors  (KNN),  Random  Forest,  and  Support  Vector  Machine  (SVM).  The  Synthetic  Minority  Over-Sampling Technique (SMOTE) was applied to address dataset imbalance. The results demonstrate that SMOTE significantly enhanced  the  models'  performance,  especially  in  recall  andF1-score  for  minority  classes,  such  as  obesity.  Random  Forest achieved  the  highest  accuracy  (92%)  and  recall  (92%)  post-SMOTE.  The  ANN  showed  substantial  improvement  in  recall, increasing from 77% to 89%, whereas the SVM achieved the highest precision (89%), minimizing false positives. Despite these improvements, KNN remained the least effective. The findings underscore the critical role of SMOTE in improving AI model accuracy  for  obesity  prediction  and  highlight  Random  Forest  as  the  most  reliable  algorithm  for  clinical  decision-making. Limitations,  such  as  dataset  representativeness,  suggest  future  research  directions,  including  expanding  data  diversity  and advanced feature selection techniques. This study provides valuable insights into leveraging AI and preprocessing methods for obesity management</text>
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            <description>An entity primarily responsible for making the resource</description>
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                <text>Arif Riyandi1*, Mahazam Afrad2, M Yoka Fathoni3, YogoDwiPrasetyo</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/6204/1063</text>
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                <text>Department of Information System, Information System, Telkom University, Purwokerto, Indonesia</text>
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                <text>June 12, 2025</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 9 No 3 (2025)</text>
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                <text>Classification of Retinoblastoma Eye Disease on Digital Fundus Images Using Geometric Features and Machine Learning</text>
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                <text>retinoblastoma; digital fundus images; classification; geometric features; machine learning</text>
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                <text>Medical image analysis is essential for detecting retinoblastoma tumors due to the ability of the method to assist doctors in examining the morphology, density, and distribution of blood vessels. The classification of normal and retinoblastoma-affected retinas is a preliminary stepin treating retinoblastoma tumors. Therefore, this research aimed to propose the new development of a method to classify normal and retinoblastoma-affected retinas using geometric feature extraction and machine learning. The workflow consisted of (1) Fundus image data collection for retinoblastomas, (2) image segmentation, (3) feature extraction process, (4) building a classification model using machine learning, (5) splitting testing and training data, (6) classification process  using  machine  learning  methods,  and  (7)  evaluation  of  classification  results  using  a  confusion  matrix.  The  results showed that the segmentation method used could detect retinoblastoma areas and extract geometric features. The SVM method achieved an accuracy of 0.96 while the RF andDT had 0.55 and 0.63, respectively. Moreover, the comparison with previous research showed that the method proposed had a 4% improvement in classification performance. This led to the conclusion that the classification using geometric features combined with the SVM on digital fundus images of retinoblastoma eye disease produced the best results</text>
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            <description>An entity primarily responsible for making the resource</description>
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                <text>Arif Setiawan</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/6337/1058</text>
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                <text>Department of Information System, Faculty of Engineering, Muria Kudus University, Kudus, Indonesia</text>
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                <text> May 24, 2025</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 9 No 3 (2025)</text>
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                <text>Comparative Evaluation of Preprocessing Methods for MobileNetV1 and V2 in Waste Classification</text>
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                <text>Waste management remains a critical challenge for many countries, including Indonesia, which ranks as the world's second-largest contributor of waste. As tens of millions of tons are produced each year and the management system remains ineffective, environmental  conditions  and  public  health  continue  to  deteriorate.  To address  this  issue,  it  is  imperative  to  develop  more accurate  and  efficient  solutions  to  enhance  waste  classification  and  management.  This  study  investigates  the  influence  of various image preprocessing techniques on the performance of MobileNetV1 and MobileNetV2 models in the classification of waste images. Preprocessing is crucial for enhancing data quality, particularly when dealing with real-world images that are affected  by  inconsistent  lighting,  texture,  and  clarity.  Five  preprocessing  scenarios  were evaluated:  Baseline,  CLAHE  with Bilateral  Filtering,  CLAHE  with  Sharpening,  Grayscale  with  CLAHE,  and  Gaussian  Blur  with  Bilateral  Filtering.  Among these, the combination of CLAHE and Bilateral Filtering applied to MobileNetV1 achieved the best results, with 85% training accuracy, 96% validation accuracy, a training loss of 0.3178, and the lowest validation loss of 0.1630. Overall, MobileNetV1 benefited more significantly from preprocessing variations than MobileNetV2, particularly in terms of accuracy improvement and  reduction  in  prediction error.  These  findings underscore  the importance  of  effective preprocessing  in  enhancing model performance for waste image classification</text>
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                <text>Aulia Afifah1, Endah Ratna Arumi2*, Maimunah3, Setiya Nugroho</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/6211/1055</text>
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              <elementText elementTextId="112346">
                <text>Informatics Engineering, Engineering, Universitas Muhammadiyah Magelang, Magelang, Indonesia</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 9 No 3 (2025)</text>
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                <text>Classification of Red Foxes: Logistic Regression and SVM with VGG-16, VGG-19, and Inception V3</text>
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                <text>red fox images; image classification; deep learning models</text>
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                <text>Deep  learning  models  demonstrate  a  high  degree  of  accuracy  in  image  classification.  The  task  of  distinguishing  between various sources of red fox images—such as authentic photographs, game-captured images, hand-drawn illustrations, and AI-generated images—raises important considerations regarding realism, texture, and style.This study conducts an evaluation of three deep learning architectures: Inception V3, VGG-16, and VGG-19, utilizing images of red foxes. The research employs Silhouette  Graphs,  Multidimensional  Scaling  (MDS),  and  t-Distributed  Stochastic  Neighbor  Embedding  (t-SNE)  to  assess clustering and classification efficiency. Support Vector Machines (SVM) and Logistic Regression are utilized to compute the Area Under the Curve (AUC), Classification Accuracy (CA), and Mean Squared Error (MSE). The MDS plots and t-SNE data clearly demonstrate the capability of the three deep learning models to distinguish between the image categories.For game-captured images, VGG-16 and VGG-19 demonstrate quite outstanding performance with silhouette scores of 0.398 and 0.315, respectively. This study explores the enhancement of classification accuracy in logistic regression and support vector machines (SVM)  through  the  refinement  of  decision  boundaries  for  overlapping  categories.  Utilizing  Inception  V3,  an  artificial intelligence-generated image silhouette score of 0.244 was achieved, demonstrating proficiency in image classification. The research highlights the challenges posed by diverse datasets and the efficacy of deep learning models in the classification of red  fox  images.  The  findings  suggest  that  integrating  deep  learning  with  machine  learning  classifiers,  such  as  logistic regression and SVM, may improve classification accuracy.</text>
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                <text>Brian Sabayu1*, Imam Yuadi2</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/6356/1054</text>
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            <description>An entity responsible for making the resource available</description>
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              <elementText elementTextId="112335">
                <text>Master’s Program Human Resource Development-Data Analytics, Graduate School, Universitas Airlangga,Surabaya,Indonesia</text>
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                <text>May 24, 2025</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 9 No 3 (2025)</text>
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                <text>Stunting Prediction Modeling in Toddlers Using a Machine Learning Approach and Model Implementation for Mobile Application</text>
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            <name>Subject</name>
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                <text>machine learning; mobile application; stunting prediction</text>
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                <text>Children’s health and development are critical for maintaining national productivity and independence, with stunting being a major  concern.  Stunting,  a  form  of  malnutrition,  impairs  growth  and  development,  affecting  millions  of  people  globally, including a significant number in Indonesia. This study addresses the challenge of stunting by developing a predictive model using machine learning techniques to forecast stunting risks based on public health data. The literature review section discusses the factors that influence stunting, and these factors are used as features to builda stunting prediction model. Then the features were used to build a model with three machine learning algorithms Extreme Gradient Boosting (XGBoost), Random Forest, and  K-Nearest  Neighbor  (KNN)  to  build  and  evaluate  models  that  predict  stunting.  The  models  were  trained  and  assessed using public datasets and the most effective algorithm was integrated into a mobile application for practical use. The results indicate  that  the  XGBoost  model  outperforms  the  other  models  with  an  accuracy  of  85%,  making  it  the  optimal  choice  for implementation in a mobile application. The next-best model is selected to be implemented through a mobile application so that users can directly use the model that has been built. This application aims to enhance early detection and intervention efforts  for  stunting,  potentially  improving  child  health  outcomes  and  contributing  to  long-term  productivity  by  building predictive  models  and  implementing  the  models  into  a  mobile  application.  This  study  contributes  to  the  implementation  of models built using public data for application in mobile applications</text>
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                <text>Eko Abdul Goffar1,2*,Rosa Eliviani1, Lili Ayu Wulandhari2</text>
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              <elementText elementTextId="112566">
                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/6450/1091</text>
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                <text>Departement of Informatics Management, Astra Polytechnic, Jakarta, Indonesia</text>
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            <description>A point or period of time associated with an event in the lifecycle of the resource</description>
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                <text>June 22, 2025</text>
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                <text>FAJAR BAGUS W</text>
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                <text>ENGLISH</text>
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                  <text>Vol 9 No 3 (2025)</text>
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            <name>Title</name>
            <description>A name given to the resource</description>
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                <text>Minangkabau Language Stemming: A New Approach with Modified Enhanced Confix Stripping</text>
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            <name>Subject</name>
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                <text>enhanced confix stripping; minangkabau language; morphological; natural language processing; stemming</text>
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                <text>Stemming is an essential procedure in natural language processing (NLP), which involves reducing words to their root forms by eliminating affixes, including prefixes, infixes, and suffixes. The employed method assesses the efficacy of stemming, which differs according to language. Complex affixation patterns in Indonesian and regional languages such as Minangkabau pose considerable difficulties for traditional algorithms. This research adopts the enhanced fixed-stripping method to tackle these issues  by  integrating  linguistic  characteristics  unique  to  Minangkabau.  This  study  has  three  phases:  data  acquisition, pseudocode development, and algorithm execution. Testing revealed an average accuracy of 77.8%, indicating the algorithm's proficiency in managing Minangkabau’s intricate morphology. Nevertheless, constraints persist, particularly with irregular affixationpatterns. Possible improvements could include adding more datasets, improving the rules for handling affixes, and using machine learning to make the system more flexible and accurate. This study emphasizes the significance of customized solutions for regional languages and provides insights into the advancement of NLP in various linguistic environments. The findings underscore the progress made in processing Minangkabau text while also emphasizing the need for further research to address current issues</text>
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                <text>Fadhli Almu’iini Ahda1, Aji Prasetya Wibawa2*, Didik Dwi Prasetya3,Danang Arbian Sulistyo4, Andrew Nafalski</text>
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              <elementText elementTextId="112577">
                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/6511/1092</text>
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              <elementText elementTextId="112578">
                <text>Elecrtrical Engineering and Informatics, Universitas Negeri Malang, Malang, Indonesia</text>
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                <text>June 23, 2025</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 9 No 3 (2025)</text>
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                <text>Benchmarking Metaheuristic Algorithms Against Optimization Techniques for Transportation Problem in Supply Chain Management</text>
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                <text>optimization;supply chain management;MODI, simulated annealing;particle swarm optimization</text>
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                <text>The optimization of transportation problems plays a significant role in supply chain management (SCM), where minimizing costs and improving efficiency are mandatory. The transition from manual methods to advanced computational approaches, such   as   metaheuristic   algorithms,   enhances   decision-making   and   consolidates   operations   within   SCM.   Malaysia's transportation system has been confronting crucial challenges, characterized by congested roadways, limited rail connectivityand inefficient port operations, which interfere with the fluidity of goods and supply chain efficiency. This highlights the critical need for optimization techniques to enhance competitiveness and efficiency in the evolving SCM landscape. The research aims to explore the application of metaheuristic algorithms, with the Modified Distribution (MODI) method as the benchmark while employing  the  NorthWest  Corner  Method  (NWCM)  to  obtain  an  initial  feasible  solution,  to  evaluate  their  performance  in optimizing  transportation  problems.  Metaheuristic  algorithms,  specifically  Simulated  Annealing  (SA)  and  Particle  Swarm Optimization  (PSO),  are  implemented  to  explore  alternative  near-optimal  solutions  and  assess  the  performance  in  terms  of cost  accuracy  and  computational  efficiency.  The  results  indicate  that  SA  achieves  a  deviation  of  12.92%  in  cost  accuracy compared to the optimal MODI method, making it suitable for scenarios where precision is critical, whereas PSO which is 296.92 seconds faster, is ideal for time-sensitive applications. Finally, this study encourages future studies to explore additionalalgorithms,  external  factors  and  broader  applications  for  enhanced  real-world  relevance  and  scalability  to  accentuate  the potential of metaheuristic algorithms.</text>
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                <text>Felicia Lim Xin Ying1, Suliadi Firdaus Bin Sufahani2*</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/6513/1064</text>
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                <text>Department of Mathematics and Statistics, Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia, Muar, Malaysia</text>
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                <text>June 12, 2025</text>
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                <text>FAJAR BAGUS W</text>
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                  <text>Vol 9 No 3 (2025)</text>
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                <text>The Impact of Cancer on Poverty: An Analytical Study Using Big Data and OLS Regression</text>
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                <text>big data; cancer; health policy; OLS regression; poverty</text>
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                <text>Cancer is one of the leading causes of death worldwide and has a significant impact on the economic condition of families, especially in developing countries. High medical costs and loss of work productivity often push families of patients with cancer into poverty. This study aimed to analyzethe relationship between cancer mortality rates and poverty levels using the Ordinary Least Squares (OLS) regression method and big data covering various socio-economic indicators. The data in this study include cancer  mortality  rates  and  other  socioeconomic  indicators,  which  were  then  analyzed  using  the  OLS  regression  method  to understand  the  quantitative  relationship  between  the  two  variables.  The  results  of  the  analysis  show  a  positive  correlation between  cancer  mortality  rates  and  increasing  poverty,  with  the  regression  model  explaining  73.8%  of  the  variation  in  the target variable. The regression model demonstrated strong explanatory power and minimal error, with an R-squared value of 0.738,  indicating  that  73.8%  of  the  data  variability  was  explained  by  the  model.  Model  quality  was  supported  by  low  AIC (19070.4) and BIC (19110.4) values. Linearity was confirmed by a significant F-statistic of 1314.0 (p &lt; 0.01), suggesting a robust linear relationship between independent and dependent variables. All parameters exhibited statistical significance (p &lt; 0.05) at the 95% confidence level, with mean residuals close to zero, satisfying the unbiased expectation assumption. Although the model results show good performance, the model's estimators show low variance,as evidenced by small standard errors (e.g., Incidence_Rate: 0.009, Med_Income: 1.89e-05) and a Durbin-Watson statistic of 1.725, indicating no autocorrelation. These metrics collectively confirmed the reliability and stability of the regression model</text>
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                <text>Heny Pratiwi1,Muhammad Ibnu Sa’ad2*, Wahyuni3, Syamsuddin Mallala4</text>
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                <text>https://jurnal.iaii.or.id/index.php/RESTI/article/view/6112/1059</text>
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                <text>Information Systems, STMIK Widya Cipta Dharma, Samarinda, Indonesia</text>
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                <text>FAJAR BAGUS W</text>
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