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City-scale IoT, a fundamental infrastructure for smart cities, requries to sense a range of ubiquitous entities in a city including humans, objects, and spaces. Ubiquitous sensor networks (USN) is the key technology to this. However, failures of a USN may result in hazards in our daily lives in smart cities. Monitoring of USN, rapid detection of faults and failures, and recovery from them are thus...
Wireless Sensor Network (WSN) is one of the emerging technologies which will have a major impact on our day to day life in the near future. Current trends have indicated the need for the usage of wireless sensor networks for various purposes. The deployment of an IP-based wireless sensor network is the next step to integrate this technology with the internet enabled devices for global connectivity...
The concern about understanding the effects of climate change on the environment, such as the decline of pollinators found in nature, the need to support researchers to run experiments efficiently and to share those results, makes it necessary to study and develop virtual laboratories through the web, in order to gain greater insight on the behavior of bees, which is the main pollinator of plants...
Every application of a Wireless Sensor Network (WSN) requires the data collected from sensor nodes to be reachable from the outside, in order to allow its processing and to obtain information from the monitored phenomena. Environmental protection and agriculture are examples of areas most likely to benefit from the deployment of WSNs. Devices equipped with temperature, humidity and light sensors could...
The aim of this work was to create a system, for saving and displaying electro physical records, which will be based on platforms . NET Framework, ASP. NET and MS SQL Server. The first part of the work is mainly theoretic analysis of used technologies, in the second part there are analyzed the way and process of making and creating the database and the web application itself. Purpose of the web application...
PCCP is usually used throughout many water and wastewater utilities as critical mains with high flow rates, sudden failures can have significant negative consequences. The world has experienced a number of failures of prestressing concrete cylinder pipe (PCCP) lines and as a result during the past ten years, much attention has been focused on reliably assessing the condition of PCCP mains. In this...
This paper proposed the concept of LAGMS (large-scale architectural grid management and service) using the basic idea of SIMG (spatial information multi-grid), as well as the framework and construction of LAGMS system. Utilizing Internet, wireless communications technology comprehensively the system arranged the management processes, optimized the integration of various types of information resources...
The design of wireless sensor network applications is an emerging area of research. The volume of data collected by a sensor network of any type can be overwhelming and the associated challenges of application processing and presentation are significant. The design of a wireless network sensor information and identification system (WiNS Id) database which archives the data reported by distributed...
Greenhouse environment is a special application of wireless sensor network, efficient real-time monitor and control is the key point. For well solve this problem, this paper researches and designs a Web-based management system with embedded control platform. The system provides a human-based monitor and control platform for the wireless sensor network for greenhouse.
In this paper we propose a solution to strengthen the security of domain name system (DNS) servers associated with one or more top level domains (TLD). The proposed solution has been developed and tested at FCCN, the TLD manager for the .PT domain. Through the implementation of network probes that monitor the network in real-time, we are able to dynamically prevent, detect or limit the scope of attempted...
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