Publicerad: 2014-06-11
ISBN: 978-91-7519-276-5
ISSN: 1650-3686 (tryckt), 1650-3740 (online)
This paper proposes a healthy eating habits support system that recommends menu selections based on a user’s taste preferences and the requirements of long term nutritional balance. This system is comprises a nutritional management system (NMS) and a Kansei retrieval system (KRS). NMS adopts a tabu search method to generate a large number of nutritionally balanced menus by combining multiple recipes from a recipe database and stores these menus in a “candidate list.” From this candidate list; KRS retrieves menus that are compatible with a user’s taste preferences and presents these menus to the user. KRS utilizes Kansei retrieval agents that represent a user’s taste preferences and impressions that; subject to a user’s evaluation of the presented menus; evolve based on a hybrid model composed of a genetic algorithm and simulated evolution. A simulation using 7;260 actual recipes incorporating 13 types of nutrients demonstrated that the system presented a large number of menus nutritionally balanced over the long term; and predicted a user’s taste preferences with more than 80% accuracy after continuous use for eight weeks.
Eating Habits Support; User’s Taste Preference; Nutritional Balance; Interactive Evolutionary Computation.
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