Costas Pontikakos

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Location-Based Services (LBSs) stands for the provision of information about the position of a device or a user, often offered as a service via various means of media. The position can be combined with spatial information so as to integrate an LBS system with Geographical Information Systems (GISs) or other location dependent information. The quality of the(More)
In this work a model to estimate the efficiency of natural ventilation in a commercial twin-span greenhouse is presented. A numerical simulation approach was adopted using the theory of three-dimensional computational fluid dynamics (CFD). With this approach, it was able to generate three-dimensional patterns for temperature and airspeed inside the(More)
In this work, a statistical analysis on greenhouse simulations to estimate the efficiency of natural ventilation in a commercial twin-span greenhouse is presented. A numerical simulation approach was adopted using the theory of threedimensional computational fluid dynamics (CFD). With this approach, threedimensional patterns for temperature and airspeed(More)
In the present paper we describe an e-monitoring location-aware system, based on a real-time Wireless Multimedia Sensor Network (WMSN), integrated with a semi-automatic trapping and insect counting, based on existing traps, able to acquire and transmit data to a remote server, and a Decision Support System (DSS) that will perform the final optimization of(More)
Agricultural Research Organization, The Volcani Center, Israel, sorokerv@volcani.agri.gov.il Dipartimento di Gestione dei Sistemi Agroalimentari e Ambientali Applied Entomology section University of Catania, Italy, suma@unict.it Benaki Phytopathological Institute, Stefanou Delta Street, Athens 14561, Greece, d.kontodimas@bpi.gr. National Institute of(More)
Computer Supported Collaborative Work (CSCW) systems have attracted the attention of many software implementers on the area of multimedia applications, however very few of them have been used in agriculture. The necessity for using the CSCW environment in agriculture arises from the utilization and the rapid development of modern strategies of plant(More)
1 Abstract— Location-awareness significantly enhances the functionality of ubiquitous computing services and applications, and enriches the way they interact with the users and resources in the environment. Many location-aware systems adapt the way they behave according to the context of the current location without explicit user intervention. The aim is to(More)
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