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A comparison of neural and non-neural machine learning models for food safety risk prediction with European Union RASFF data.

Identificadores del recurso

0956-7135

http://hdl.handle.net/10641/2670

10.1016/j.foodcont.2021.108697

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(Repositorio Institucional de la Universidad Francisco de Vitoria)

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Title:: A comparison of neural and non-neural machine learning models for food safety risk prediction with European Union RASFF data.
Tema:: Food and feed safety; Machine learning; Deep learning; Random forest; Entity embedding; Prediction
Description:: European Union launched the RASFF portal in 1977 to ensure cross-border monitoring and a quick reaction when public health risks are detected in the food chain. There are not enough resources available to guarantee a comprehensive inspection policy, but RASFF data has enormous potential as a preventive tool. However, there are few studies of food and feed risk issues prediction and none with RASFF data. Although deep learning models are good prediction systems, it must be confirmed whether in this field they behave better than other machine learning techniques. The importance of categorical variables encoding as input for numerical models should be specially studied. Results in this paper show that deep learning with entity embedding is the best combination, with accuracies of 86.81%, 82.31%, and 88.94% in each of the three stages of the simplified RASFF process in which the tests were carried out. However, the random forest models with one hot encoding offer only slightly worse results, so it seems that in the quality of the results the coding has more weight than the prediction technique. Our work also demonstrates that the use of probabilistic predictions (an advantage of neural models) can also be used to optimize the number of inspections that can be carried out.; pre-print; 301 KB
Idioma:: English
Relation:: https://www.sciencedirect.com/science/article/abs/pii/S0956713521008355?via%3Dihub
Autor/Productor:: Nogales Moyano, Alberto; Díaz Morón, Rodrigo; García Tejedor, Álvaro José
Publisher:: Food control
Rights:: Atribución-NoComercial-SinDerivadas 3.0 España; http://creativecommons.org/licenses/by-nc-nd/3.0/es/; openAccess
Date:: 2022-01-14T09:07:15Z; 2022
Tipo de recurso:: article

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  8. <dc:subject>Random forest</dc:subject>
  9. <dc:subject>Entity embedding</dc:subject>
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  11. <dc:description>European Union launched the RASFF portal in 1977 to ensure cross-border monitoring and a quick reaction when public health risks are detected in the food chain. There are not enough resources available to guarantee a comprehensive inspection policy, but RASFF data has enormous potential as a preventive tool. However, there are few studies of food and feed risk issues prediction and none with RASFF data. Although deep learning models are good prediction systems, it must be confirmed whether in this field they behave better than other machine learning techniques. The importance of categorical variables encoding as input for numerical models should be specially studied. Results in this paper show that deep learning with entity embedding is the best combination, with accuracies of 86.81%, 82.31%, and 88.94% in each of the three stages of the simplified RASFF process in which the tests were carried out. However, the random forest models with one hot encoding offer only slightly worse results, so it seems that in the quality of the results the coding has more weight than the prediction technique. Our work also demonstrates that the use of probabilistic predictions (an advantage of neural models) can also be used to optimize the number of inspections that can be carried out.</dc:description>
  12. <dc:date>2022-01-14T09:07:15Z</dc:date>
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  14. <dc:date>2022</dc:date>
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  16. <dc:identifier>0956-7135</dc:identifier>
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  18. <dc:identifier>10.1016/j.foodcont.2021.108697</dc:identifier>
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