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Najih, Muhammad
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Journal : Intelmatics

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A Web-Based Boarding Management Application Design Maulana, Muhamad Anggi; Syaifudin; Sari, Syandra; Najih, Muhammad
Intelmatics Vol. 4 No. 1 (2024): Januari-Juni
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/itm.v4i1.17649

Abstract

In Indonesia, the rental business of temporary accommodations or boarding houses ('kost') has significantly grown due to the influx of individuals from various cities or regions seeking temporary residence for educational pursuits, work, entrepreneurship, or marriage. Boarding house owners often manage not just one or two rooms but can have dozens or even hundreds of rooms. This extensive scale makes it challenging for boarding house owners to efficiently handle payment data, accurately record information, and report room damages using conventional methods. To address these challenges, an application was developed to streamline data management for boarding house owners, enabling them to efficiently manage their businesses. The data collection methods employed for developing this application included observation, interviews, and literature review, following the waterfall model for software development. The obtained results from this application development facilitate better service management for boarding house owners, enhancing cost and time efficiency while improving the quantity and quality of managed information.
Brain Tumor Detection System Based on Convolutional Neural Network Febrianto, Nanang Dwi; Mardianto, Is; Rochman, Abdul; Najih, Muhammad
Intelmatics Vol. 5 No. 1 (2025): January-June
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/v5i1.22135

Abstract

Early detection of brain tumours is essential to improve the effectiveness of treatment. This study develops a Convolutional Neural Network (CNN) model to detect brain tumours from MRI images. Using a dataset of 4410 images, the model was trained and tested with several CNN architectures, such as EfficientNetB0, InceptionNetV3, ResNet, MobileNet, VGG16, Model 1. Results showed that the best model achieved 97.8% accuracy, thus being able to predict brain tumours with a high degree of reliability. These findings support the application of CNNs in medical detection systems to assist doctors in faster and more accurate diagnosis.
Evaluation of CNN, BiLSTM, and Hybrid Architectures for Sentiment Analysis of Indonesian X (Twitter) Data Using IndoBERT Embeddings Gintings, Theo Christ Maximos; Ir. Agung Sediyono, MT, Ph.D; Najih, Muhammad
Intelmatics Vol. 6 No. 1 (2026): January-June (In Progress)
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/v6i1.26232

Abstract

The rapid growth of social media, particularly X (Twitter), has generated massive volumes of informal and highly contextual opinion data, making sentiment analysis a challenging task. This study aims to systematically evaluate the performance of Convolutional Neural Network (CNN), Bidirectional Long Short-Term Memory (BiLSTM), and two hybrid architectures (CNN BiLSTM and BiLSTM–CNN) in classifying Indonesian-language Twitter sentiment related to the Makan Bergizi Gratis (MBG) policy using frozen IndoBERT embeddings. A quantitative comparative experimental design with stratified 10 fold cross-validation was employed on a dataset of 1,569 tweets that underwent case folding, cleansing, and normalization. Model performance was assessed using accuracy, precision, recall, F1score, ROC-AUC, and computational efficiency (training and inference time), while latent feature quality was analyzed through t-SNE visualization. The results show that hybrid architectures provide more stable and competitive performance than single models. CNN achieved the fastest computation, whereas BiLSTM and hybrid models were superior in capturing sequential context. tSNE visualizations further indicate clearer class separation for hybrid models. These findings confirm that under a uniform IndoBERT embedding, hybrid CNN–BiLSTM and BiLSTM CNN offer the best trade-off between accuracy and efficiency for Indonesian Twitter sentiment analysis.
Co-Authors Abdul Rochman Adi Sucipto, Adi Ahmad Farhan, Ahmad Amal Witonohadi Ariwibowo, Anung B Bambang Cholis Binti Solihah Caesar, Marcel Patulus Choirul Fajri Dian Mardi Safitri Febriani, Elfira Febrianto, Nanang Dwi Gintings, Theo Christ Maximos Hanny Hafiar Idriwal Mayusda Ika Wahyu Utami Ir. Agung Sediyono, MT, Ph.D Is Mardianto, Is Ismail, Muhammad Luthfi Iveline Anne Marie Kusuma, Alan Larasati Rizky Putri Longani, Kirti Dang Maulana, Muhamad Anggi Mustafidan, Ahmad Roqy Novianto, Fiftin Putri, Larasati Rizki Rafael, Garren Benaya Rina Fitriana Santoso, Gatot Budi Sari, Syandra Sarwo Edi, Sarwo Sediyono, Agung Sulistiyono, Taufiq Yudi Syaifudin