The ubiquitous computing (ubicomp) area, sometimes
called pervasive computing, presupposes a strong
integration with the real world, with focus on the
user and on keeping high transparency. For
the development of applications in this scenario, we
need an adequate software infrastructure. This book,
therefore, presents an infrastructure based on
Service-Oriented Architecture (SOA), making use
of framework and middleware. The specific focus is
context awareness: the perception of characteristics
related to users and surroundings. We keep a history
of context using ontology. In this way,...