Chatbot AI Menggunakan Metode TF-IDF Dan Cosine Similarity Untuk Layanan Pelanggan Toko Bangunan. Journal of Pattern Recognition and Intelligent Data, [S. l.], v. 1, n. 1, p. 10–17, 2026. Disponível em: https://journal.nagastra.org/index.php/jprid/article/view/23. Acesso em: 26 jul. 2026.