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DOI: 10.14569/IJACSA.2020.0110892
PDF

Performance Comparison of Natural Language Understanding Engines in the Educational Domain

Author 1: Victor Juan Jimenez Flores
Author 2: Oscar Juan Jimenez Flores
Author 3: Juan Carlos Jimenez Flores
Author 4: Juan Ubaldo Jimenez Castilla

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 11 Issue 8, 2020.

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Abstract: Recently, chatbots are having a great importance in different domains and are becoming more and more common in customer service. One possible cause is the wide variety of platforms that offer the natural language understanding as a service, for which no programming skills are required. Then, the problem is related to which platform to use to develop a chatbot in the educational domain. Therefore, the main objective of this paper is to compare the main natural language understanding (NLU) engines and determine which could perform better in the educational domain. In this way, researchers can make more justified decisions about which NLU engine to use to develop an educational chatbot. Besides, in this study, six NLU platforms were compared and performance was measured with the F1 score. Training data and input messages were extracted from Mariateguino Bot, which was the chatbot of the Jose´ Carlos Mari´ategui University during 2018. The results of this comparison indicates that Watson Assistant has the best performance, with an average F1 score of 0.82, which means that it is able to answer correctly in most cases. Finally, other factors can condition the choice of a natural language understanding engine, so that ultimately the choice is left to the user.

Keywords: Chatbot; natural language understanding; NLU; F1 score; performance

Victor Juan Jimenez Flores, Oscar Juan Jimenez Flores, Juan Carlos Jimenez Flores and Juan Ubaldo Jimenez Castilla, “Performance Comparison of Natural Language Understanding Engines in the Educational Domain” International Journal of Advanced Computer Science and Applications(IJACSA), 11(8), 2020. http://dx.doi.org/10.14569/IJACSA.2020.0110892

@article{Flores2020,
title = {Performance Comparison of Natural Language Understanding Engines in the Educational Domain},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2020.0110892},
url = {http://dx.doi.org/10.14569/IJACSA.2020.0110892},
year = {2020},
publisher = {The Science and Information Organization},
volume = {11},
number = {8},
author = {Victor Juan Jimenez Flores and Oscar Juan Jimenez Flores and Juan Carlos Jimenez Flores and Juan Ubaldo Jimenez Castilla}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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