Tenggarong has diverse natural and cultural tourism potential, but tourists may experience difficulty in selecting destinations according to their preferences and needs. This study aims to develop a web-based decision support system for recommending tourist attractions in Tenggarong, Kutai Kartanegara, using the Weighted Product (WP) method. The system uses six criteria: travel distance, ticket price, visiting time, facilities, location accessibility, and security. Seventeen tourist attractions were used as alternatives, while comparison testing involved nine attractions for which visitor-ranking data from the Kutai Kartanegara Tourism Office were available. The WP calculation produced five highest-ranked recommendations: Ladaya, Pulau Kumala, Bukit Mahoni, Langit Timur, and Istana Bunga Jembayan. Comparison with the official ranking showed five matching ranks out of nine tested attractions, corresponding to a rank-agreement rate of 55.56%.
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