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João Casal

Researcher at University of Minho

Publications -  23
Citations -  338

João Casal is an academic researcher from University of Minho. The author has contributed to research in topics: Participatory design & Computer science. The author has an hindex of 6, co-authored 20 publications receiving 263 citations.

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Journal ArticleDOI

An IoT-based mobile gateway for intelligent personal assistants on mobile health environments

TL;DR: A novel IoT-based mobile gateway solution for mobile health (m-Health) scenarios that autonomously collects information about the user/patient location, heart rate, and possible fall detection and forwards the collected information to a caretaker IPA, in real time, which will manage a set of actions and alarms appropriately.
Journal ArticleDOI

Intelligent Personal Assistants Based on Internet of Things Approaches

TL;DR: The current state of the art of IoT protocols, IPAs in general, and IPAs based on IoTs is surveyed, considering many different factors, such as the heterogeneity of objects and the diversity of communication protocols and enabling technologies.
Proceedings ArticleDOI

Promoting secondary school learners' curiosity towards science through digital public displays

TL;DR: It is suggested that teachers are receptive to the technology and were able to generate scenarios that take advantage of the possibilities offered by digital public displays to stimulate learning processes, however, there are several crucial elements regarding management and control of content that need to be carefully crafted/designed in order to accommodate each schools' organizational issues.
Journal ArticleDOI

Using Accuracy Analysis to Find the Best Classifier for Intelligent Personal Assistants

TL;DR: This paper focuses on studying the accuracy of various classifiers, with the objective of finding the one that suits better the needs of an IPA for IoT.
Journal ArticleDOI

A Novel Reputation System for Mobile App Stores Using Blockchain

TL;DR: In this paper, the authors leverage those reports across all mobile ecosystems, creating a shared reputation system, which is used for mobile applications submitted to online application stores, the mobile application market has experienced significant growth and this growth is accompanied by an increase in malware presence.