Jes, Billy
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Natural Language Processing (Nlp) Pada Rancang Bangun Sistem Pakar Untuk Diagnosis Penyakit Tanaman Seledri Yusuf, Muhammad; Saputra, Tirta Romadhon Cipta; Jes, Billy
Jurnal Informatika dan Komputer Vol 15 No 1 (2025): April
Publisher : Sekolah Tinggi Ilmu Komputer PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55794/jikom.v15i1.267

Abstract

Celery (Apium graveolens) has a high economic value because it is widely used as a food ingredient, cooking spice, and even herbal medicine. However, sometimes the cultivation of this plant faces various challenges, especially diseases and pests that can reduce its quality and yield. This study aims to develop an expert system based on Natural Language Processing (NLP) with a Retrieval-Augmented Generation (RAG) approach to help diagnose plant diseases quickly and accurately. This research was conducted using the Extreme Programming development method. The research methodology includes identifying celery cultivation problems, collecting data from experts regarding various symptoms, celery diseases, and effective treatments, and developing RAG using Transformer-based embedding techniques that have proven effective in capturing context and relationships between words. This system uses forward chaining reasoning to ensure that the solutions provided are generated through an inference process from initial facts such as symptoms to reach appropriate conclusions. These results show that this system is able to identify disease symptoms from user text input with 97.14% accuracy and provide relevant solutions. Equipped with speech-to-text, text-to-speech features, as well as the ability to copy answer results and delete conversation history to make it easier for users.
Analisis Performa Pre-Trained Model Convolutional Neural Network Dalam Klasifikasi Kulit Wajah Aras, Suhardi; Anam, Asyrofi; Jes, Billy; Sahar, Devid
Jurnal Teknologi Informasi dan Ilmu Komputer Vol 13 No 3: Juni 2026
Publisher : Fakultas Ilmu Komputer, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jtiik.2026133

Abstract

Klasifikasi jenis kulit wajah secara otomatis menjadi kebutuhan penting dalam mendukung pemilihan perawatan yang tepat dan objecktf. Pendekatan deep learning berbasis citra menawarkan solusi yang lebih akurat dibandingkan metode konvensional. Penelitian ini bertujuan untuk menganalisis dan membandingkan performa tiga arsitektur model pre-trained Convolutional Neural Network (CNN), yaitu EfficientNetB7, ResNet50, dan MobileNetV3 untuk klasifikasi lima kategori. Dataset terdiri dari 1950 gambar wajah yang telah diproses melalui tahapan preprocessing serta augmentation. Evaluasi dilakukan menggunakan metrik akurasi, precision, recall, F1-score, confusion matrix, serta waktu komputasi. Hasil pengujian menunjukkan bahwa EfficientNetB7 memberikan performa terbaik dengan mencapai akurasi tertinggi sebesar 93%, diikuti oleh ResNet50 sebesar 91%, dan MobileNetV3 sebesar 87%. Dengan demikian, arsitektur EfficientNetB7 menunjukkan kemampuan ekstraksi fitur visual yang lebih unggul dan berpotensi diterapkan pada sistem identifikasi kulit wajah berbasis sistem cerdas.   Abstract Automatic classification of facial skin types has become an important requirement in supporting the selection of appropriate and objective skincare treatments. A deep learning approach based on image analysis offers a more accurate solution compared to conventional methods. This study aims to analyze and compare the performance of three pre-trained Convolutional Neural Network (CNN) architectures, namely EfficientNetB7, ResNet50, and MobileNetV3, for the classification of five categories. The dataset consists of 1,950 facial images that have been processed through preprocessing and augmentation stages. The evaluation was conducted using accuracy, precision, recall, F1-score, confusion matrix, and computational time metrics. The experimental results show that EfficientNetB7 achieves the best performance with the highest accuracy of 93%, followed by ResNet50 at 91%, and MobileNetV3 at 87%. Therefore, the EfficientNetB7 architecture demonstrates superior visual feature extraction capability and has strong potential to be implemented in intelligent facial skin identification systems.