O rumozinho forte das coisas

Ontologia das Coisas para Espaços Inteligentes Baseados em Visão Computacional

Como as Coisas Rodam

Exerćıcio 1.1. Suponha que f : R → R preserva a distância Euclidiana e fixa a origem. Mostre que: (1) f leva segmentos de recta em segmentos de recta; (2) f(λx) = λf(x) para λ ∈ R e x ∈ R; (3) f leva o ponto médio de um segmento no ponto médio da sua imagem; (4) f(x+ y) = f(x) + f(y) para x,y ∈ R; (5) 〈f(x), f(y)〉 = 〈x,y〉 para x,y ∈ R; (6) f(x) = Sx para x ∈ R, onde S ∈ M3×3 é ortogonal (ou sej...

Concepção e Desenvolvimento de um Serviço Distribuído de Coleta e Tratamento de Dados para Ambientes de Internet das Coisas

The development of the Internet of Things (IoT) has led to a considerable increase in the number and variety of devices connected to the Internet. Sensors have become a regular part of our environment, installed in cars and buildings, as well as smart phones and other devices that continuously collect data about our lives even without our intervention. With such connected devices, a broad range...

Uma Análise Comparativa entre Sistemas Gerenciadores de Bancos de Dados NoSQL no contexto de Internet das Coisas

The search for improvement on applications performance is constant, especially in environments where data is analyzed in real time, as in Internet of Things (IoT). This paper aims to analyze the performance of nonrelational Database Management Systems (DBMS), inside the IoT context. To do so, three DBMS where analyzed with a benchmarkimg tool, using a real IoT dataset. The tests evaluated respo...

A Sustentabilidade , O Desafio Das Políticas Sociais No Século 21

At the moment, we are facing great expectations of having more effective social politics to combat poverty. Once the inefficiency of the assistance model of the 90’s was recognized, governments and third sector organizations developed many innovative projects. They opened new ways for effective interventions aimed to mobilization of the communities and the development of the social capital.