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Percorrer por autor "Martinez, H. David"

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  • Mobile Application to Encourage Local Tourism with Context-Aware Computing
    Publication . Silva, Carlos A.; Toasa, Renato; Guevara, Juan; Martinez, H. David; Vargas, Javier
    The mobile applications and context-aware or assistive technologies have the potential to improve living conditions in society. Nowadays the applications are of great help when the services or features that these offers are based on the context of the user, in the area of tourism many applications only offer to the people information of the place but it does not encourage the user to go to visit it, neither provides help or suggestion of which would be the best place to visit based on the current situation of the user. This work presents an application for Android operating system that uses the user context-aware, obtained through device sensors and the use of public APIs (Application Programming Interface), offering to the users suggestions of places to visit based on their context and encourage the user to visit more places, allowing them to interact quickly with the environment in which they are through the use of their mobile device.
    2018Capítulo de livro Acesso restrito Ver mais
  • Secure Push notification service based on MQTT_Protocol for mobile platforms
    Publication . Gomes da Silva, Carlos; Toasa, Renato; Martinez, H. David; Veloz, Jorge; Gallardo, Cristian
    Push notification is conceptually an event-based mechanism where remote servers push events to smartphone client apps when these occur. The communication between the MQTT client and the remote server has been performed via TCP by default, causing certain level of uncertainty in the obtaining data, which is necessary to enhance an adequate configuration of the server with the aim of generating security in the transmission and integrity of the data. This paper present the secure MQTT services implement on android and iOS clients, developing a push notification service that can be used to solve the problem of instant pushing several messages on a company. It also details the different areas in which the MQTT protocol could be applied.
    2017Comunicação em conferência Acesso aberto Ver mais