Nanda Martyan Anggadimas
Universitas Merdeka Pasuruan, Pasuruan

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Implementasi Metode Case-Based Reasoning dengan Pembobotan Gejala untuk Diagnosa Penyakit Kulit pada Kucing Jourist Zidan; Muhammad Misdram; Nanda Martyan Anggadimas
Journal of Information System Research (JOSH) Vol 7 No 4 (2026): July 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/josh.v7i4.10600

Abstract

Skin diseases are common health issues in cats that can diminish their quality of life if not addressed early. Limited access to veterinarians makes it difficult for many cat owners to initially identify the diseases affecting their pets. Early diagnosis is challenging because many skin diseases present overlapping symptoms, making it hard for owners to distinguish between conditions without professional veterinary assistance. Therefore, this study aims to develop an expert system for the early diagnosis of these conditions using the Case-Based Reasoning (CBR) method. The system's knowledge base was constructed from a collection of 14 disease types and 36 symptoms, derived from a literature review and validated by experts. To address symptom overlap, the CBR method was implemented by calculating the similarity level between a new case and the existing case base using symptom weighting; this allows the system to differentiate between potential diseases based on similarity scores, even when multiple diseases share the same symptoms. The system then selects the case with the highest similarity score as the preliminary diagnosis. The system was developed using the Python programming language and an SQLite database. Key features include symptom selection, a diagnostic process, disease information, and the ability to generate reports in PDF format. Functional accuracy testing conducted on 14 test cases showed that 13 cases were correctly diagnosed against reference data, resulting in a functional accuracy rate of 92.85% and an average similarity score of 77.33%. The study contributes by optimizing symptom weighting within the CBR algorithm to resolve the issue of overlapping disease symptoms and by providing an integrated system that delivers disease information, care tips, similarity scores, and diagnostic reports. The results demonstrate that the CBR method is a viable approach for the early diagnosis of feline skin diseases and can serve as a helpful resource for cat owners to gather information before seeking further veterinary consultation.
Sistem Rekomendasi Produk Sparepart Motor Menggunakan Metode Knowledge Based Recommendation Vony Nur Alizah; Anang Aris Widodo; Nanda Martyan Anggadimas
Journal of Information System Research (JOSH) Vol 7 No 4 (2026): July 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/josh.v7i4.10601

Abstract

The rapid growth of e-commerce has led to an increasing number of motorcycle spare part products available across various online marketplaces. This condition often makes it difficult for users to select products that match their vehicle type, needs, and budget. This study aims to develop a motorcycle spare parts recommendation system using the Knowledge-Based Recommendation method to assist users in obtaining suitable product recommendations based on their stated preferences. The system was developed using the Python programming language on the Google Colab platform and utilized a dataset consisting of 100 motorcycle spare part products with attributes including product name, motorcycle compatibility, product category, price, and rating. The recommendation process was carried out by matching user preferences with product attributes, after which each product was scored using a weighted calculation with compatibility weighted at 45%, product category at 30%, price at 15%, and rating at 10%. The system was evaluated using 10 testing scenarios by assessing the Top-1 recommendation. The evaluation results showed that all testing scenarios successfully generated recommendations that matched user requirements, achieving an accuracy of 100%. The findings indicate that the implementation of the Knowledge-Based Recommendation method, combined with a weighted attribute mechanism based on motorcycle compatibility, product category, price, and rating, is capable of producing recommendations that align with user preferences without requiring users' purchase history or rating history. Furthermore, the proposed method was found to be effective for motorcycle spare parts recommendation systems and has the potential to assist users in selecting appropriate products more quickly and accurately.