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Dulce Rivero Albarran
Pontificia Universidad Católica del Ecuador
Ecuador
https://orcid.org/0000-0003-2736-5117
Laura Guerra-Torrealba
Pontificia Universidad Católica del Ecuador-Ibarra
Ecuador
https://orcid.org/0000-0001-6325-943X
Biography
Vol. 29 No. 2 (2025), Articles (open section), pages 78-94

DOI:

https://doi.org/10.17979/redma.2025.29.2.12767
Submitted: 2025-11-10 Published: 2025-12-30
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Abstract

This work proposes a strategy for integrating an emotion recognition system into an e-marketing recommendation system. The system uses the mobile device’s camera (with the user’s authorization) to capture facial images and, via the Mini‑Xception neural network, identifies emotions. The hybrid recommendation system combines a content-based approach, which uses TF-IDF and cosine similarity, with one based on popularity. A temporal decay scheme is applied to weight more recent emotional detections, and the emotional level is normalized to facilitate comparison across users. The results show 92% accuracy in emotion recognition. The recommendation system outputs a list of products tailored to the emotion levels computed during the session.

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References

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