Distributed event routing has emerged as a key technology for achieving scalable
information dissemination. In particular it has been used as preferential communication …

Due to stringent constraints in memory footprint, processing efficiency and power
consumption, traditional wireless sensor networks (WSNs) face two key issues:(1) a lack of …

Abstract Publish/subscribe (Pub/Sub) interaction paradigm is receiving more attention in
commercial and academic research nowadays. It is an effective interaction scheme for large …

In this paper, we propose a modification of the observe extension of CoAP to include Quality
of Service (QoS) support for timeliness. The proposed QoS support is based on delivery …

An important challenge for the Internet of Things is the gap between scientific environments
and real life deployments. Smart objects need to be accessible and usable by ordinary users …

This paper describes an intelligent home healthcare system characterized by a wireless
sensor network (WSN) and a reasoning component. The aim of the system is to allow …

Efficient subsumption checking, deciding whether a subscription or publication is covered by
a set of previously defined subscriptions, is of paramount importance for publish/subscribe …

A prominent functionality of a Wireless Sensor Network (WSN) is environmental monitoring.
For this purpose the WSN creates a model for the real world by using abstractions to parse …

Middleware is a critical foundation needed to leverage the development of a wide range of
mobile and ubiquitous applications. Intrinsic challenges when building such middleware …

The emergence of Wireless Sensor Networks (WSN) technologies gave rise to the need for
abstraction mechanisms that can simplify the data communication tasks. Under this respect …