Front matter (pp. 0–2)

Table of Contents (p. 3)

1.

Diana G. Castro-Frontana

WEB-GIS Platform to Visualize Small and Medium Enterprises with Circular Business Models in Mexico (pp. 5–21; abstract)

2.

Vladimir Avalos-Bravo, Adriana Guzmán-Ruvalcaba, Patricia Alejandra Vallejo-Landa

Hazard Identification Procedure, Risk Analysis, and Determination of Controls for the Failure of a Line Valve in a Gas Pipeline (pp. 23–37; abstract)

3.

Eduardo Eloy Loza Pacheco, Mayra Lorena Díaz Sosa, Christian Carlos Delgado Elizondo, Mayra Olguin Rosas

The application of Machine Learning in the Develop of Mobile Applications for Geographic Information Systems using CreateML, CoreML and Mapkit for iOS (pp. 39–46; abstract)

4.

María Kristell Flores Reyes, Daniel Sergio Martínez-Ramírez, Julio Cesar Ramírez-Pacheco, Homero Toral-Cruz, David Ernesto Troncoso-Romero, Ismael Osuna-Galán, J. A. León-Borges

Implementation of an Embedded System to Detect the Use of Face Masks Using a CNN Model for the Networking Laboratory at the UQRoo Campus Cancun (pp. 47–61; abstract)

Back matter (p. 63)