Review: Real-time data management on wireless sensor networks: A survey

This chapter provides an introduction to using the Object Constraint Language (OCL) in composing UML models. Our goal in this chapter is to gain an introductory understanding of how to use the OCL.

The Object Constraint Language (OCL)

Genetic-algorithm-based real-time task scheduling with multiple goals

Real-time query processing optimization for cloud-based wireless body area networks

The Internet of Medical Things (IoMT) is the gathering and implementation of healthcare tools connected to public healthcare technology infrastructure via Internet-based communications systems. Medical devices with wireless fidelity allow machine-to-machine interaction which is the basis of IoMT. The smart use of resources allowed by the IoMT has raised the prospects of both the technical and consumer communities. The IoMT healthcare system turns everyday physical objects, medical devices that surround us into a smart entrenched healthcare system. It is well known that an effective healthcare monitoring system can detect health conditions abnormalities in time and make diagnoses using wearable body sensors network. Despite significant progress within the monitoring device industry, there is still limited widespread integration of wearable body sensors network into medical practice. However, the design of an IoMT healthcare system, such as security, authentication, and data exchange, presents many challenges. Therefore, this chapter proposes an architecture of an intelligent IoMT healthcare system for monitoring patients’ health using a wearable body sensor network. The system will use ensemble tree-based learning to disclose patterns and knowledge on patient health condition and its possible preventions. The proposed method advises and alerts medical personnel in real-time about the changing of the health condition of patients to suggest preventive measures in saving lives. The integration of the IoMT-based wearable body sensors network shows improvement in patients’ health conditions.

IoMT-Based Wearable Body Sensors Network Healthcare Monitoring System

A real-time database is a database in which both the data and the operations upon the data may have timing constraints. The design of this kind of database requires the introduction of new concepts to modelize both data structures and the dynamic behavior of the database. In this paper, we propose an UML2.0 profile, entitled UML-RTDB, allowing the design of structural model for a real-time database. One of the main advantages of UML-RTDB is its capacity to take into account real-time database properties through specialized concepts in rigourous, easy and expressive manner.

Structural Model of Real-Time Databases: An Illustration

Real-time databases deal with time-constrained data and time-constrained transactions The design of this kind of databases requires the introduction of new concepts to support both data structures and the dynamic behaviour of the database In this paper, we give an overview about different aspects of real-time databases and we clarify requirements of their modelling Then, we present a framework for real-time database design and describe its fundamental operations A case study demonstrates the validity of the structural model and illustrates SQL queries and Java code generated from the classes of the model

A framework to model real-time databases

In recent years, the use of wireless sensors has increased drastically in most fields. Wireless Sensor Networks (WSNs) have attracted the interest of industries and they have been used in several application areas (military, health, transportation, agriculture). WSNs are ad-hoc networks, composed of sensor nodes, which are deployed in an area of interest, in order to monitor and to return information requested by users. Sensor data is transmitted to users over a central station, named base station. Data collection becomes more difficult when the number of sensors increases. Since about a decade, intensive research has started in order to deal with these problems. Many researchers suggested to structure the sensor data in the form of a database and reduce the number of communications and energy consumption in the network. They have often considered the network as a large database and the sensor node as a virtual table. In this article, the existing sensor database approaches in WSNs are studied. Firstly, we will provide the definition of sensor databases, then we will present their architecture and their characteristics. Thereafter, we will present and compare existing sensor database systems. Finally, we will conclude this paper with a discussion of some research issues in the field of sensor databases.

A survey on wireless sensor network databases

An UML profile for representing real-time design patterns

This paper presents a framework for real-time database design that is able to support real-time database requirements such as time-constrained data and time-constrained transactions. It is based upon a real-time object-oriented data model in which each object encapsulates time-constrained data, time-constrained methods and concurrency control mechanisms. Our framework is composed of an UML profile for real-time database, a translator to object-relational model, and an UML CASE Tool.

Bruno Sadeg

Papers

Structural Model of Real-Time Databases: An Illustration

A framework to model real-time databases

A survey on wireless sensor network databases

An UML profile for representing real-time design patterns

How to Model a Real-Time Database?