“…Algorithms can be developed using MATLAB (The MathWorks, Natick, MA, USA) to generate alerts. However, there are proposals that use other cloud platforms such as FIWARE (FIWARE Foundation, Berlin, Germany) [75,149] and Dynamo DB (Amazon DynamoDB, Seattle, Washington, USA) [117,159] with two papers each, and MongoDB (MongoDB Inc., New York, New York, USA) [28], Ubidots (Ubidots, Doral, FL, USA) [5], Amazon (Amazon, Seattle, Washington, USA) [91], M2X (AT&T, Dallas, Texas, USA) [200], NETPIE (Nexpie Co., Ltd., Bangkok, Thailand) [43], SAP (SAP SE, Walldorf, Germany) [201], InteGra (Integra Network Services, Milford, MA, USA) [194], Firebase (Firebase, San Francisco, California, USA) [154, InfluxDB (InfluxData, San Francisco, California, USA) [176]. These less-used platforms are either To be able to provide the new services that are currently demanded in IoT, it is necessary to use middleware.…”