Browsing Τμήμα Πληροφορικής / Department of Computer Science by Author "Neocleous, Costas K."
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Article
Artificial neural network learning: A comparative review
Neocleous, Costas K.; Schizas, Christos N. (2002)Various neural learning procedures have been proposed by different researchers in order to adapt suitable controllable parameters of neural network architectures. These can be from simple Hebbian procedures to complicated ...
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Article
Artificial neural networks for modelling the starting-up of a solar steam-generator
Kalogirou, Soteris A.; Neocleous, Costas K.; Schizas, Christos N. (1998)An experimental solar steam generator, consisting of a parabolic trough collector, a high-pressure steam circuit, and a suitable flash vessel has been constructed and tested in order to establish the thermodynamic performance ...
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Conference Object
Artificial neural networks for non-invasive chromosomal abnormality screening of fetuses
Neocleous, Costas K.; Nicolaides, Kypros H.; Neokleous, Kleanthis C.; Schizas, Christos N. (2010)A large number of different neural network structures have been constructed, trained and tested to a large data base of pregnant women characteristics, aiming at generating a classifier-predictor for the presence of ...
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Conference Object
Artificial neural networks in estimating marine propeller cavitation
Neocleous, Costas K.; Schizas, Christos N. (2002)Cavitation in marine propellers can be a serious problem that may result in severe deterioration in performance. This is particularly important in heavily loaded propellers, commonly encountered in small craft. Efforts ...
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Article
Artificial neural networks to investigate the importance and the sensitivity to various parameters used for the prediction of chromosomal abnormalities
Neocleous, Andreas C.; Nicolaides, Kypros H.; Syngelaki, A.; Neokleous, Kleanthis C.; Loizou, G.; Neocleous, Costas K.; Schizas, Christos N. (2012)A selection of artificial neural network models were built and implemented for systematically study the contribution and the sensitivity of the main influencing parameters as important contributing factors for the non-invasive ...
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Conference Object
Artificial neural networks to investigate the significance of PAPPA and b-hCG for the prediction of chromosomal abnormalities
Neocleous, Costas K.; Nicolaides, Kypros H.; Neokleous, Kleanthis C.; Schizas, Christos N.; Neocleous, Andreas C. (2011)A systematic approach has been done, to investigate different neural network structures for the appraisal of the significance of the free b-human chorionic gonadotrophin (b-hCG) and the pregnancy associated plasma protein-A ...
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Conference Object
A biologically inspired neural network composed of dissimilar single neuron models
Poirazi, Panayiota; Neocleous, Costas K.; Pattichis, Constantinos S.; Schizas, Christos N. (2001)A multilayer neural network has been developed that consists of slabs of single neuron models. Each slab is composed of a single type of neutrons, which differs between the slabs. The network was trained using a biologically ...
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Article
Classification capacity of a modular neural network implementing neurally inspired architecture and training rules
Poirazi, Panayiota; Neocleous, Costas K.; Pattichis, Constantinos S.; Schizas, Christos N. (2004)A three-layer neural network (NN) with novel adaptive architecture has been developed. The hidden layer of the network consists of slabs of single neuron models, where neurons within a slab-but not between slabs- have the ...
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Article
Cognitive modeling of dilution effects in visual search
Neokleous, Kleanthis C.; Avraamides, Marios N.; Neocleous, Costas K.; Schizas, Christos N. (2012)A biologically plausible neural network model of selective attention has been implemented to account for discrepant findings on the source of distractor interference in visual search tasks. The model successfully simulated ...
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Article
A comparison of classical, neural and fuzzy control schemes for the position control of an underwater vehicle
Neokleous,Kleanthis C.; Neocleous, Costas K.; Schizas, Christos N. (2006)A comparative study for the automatic control of an underwater vehicle has been conducted. The vessel was equipped with only three thrusters (one on top, a second at port and a third at starboard) for the control of its ...
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Article
Ethnicity as a factor for the estimation of the risk for preeclampsia: A neural network approach
Neocleous, Costas K.; Nicolaides, Kypros H.; Neokleous, Kleanthis C.; Schizas, Christos N. (2010)A large number of feedforward neural structures, both standard multilayer and multi-slab schemes have been applied to a large data base of pregnant women, aiming at generating a predictor for the risk of preeclampsia ...
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Article
A fuzzy cognitive map model for estimating the repercussions of Greek PSI on Cypriot Bank branches in Greece
Papaioannou, Maria; Neocleous, Costas K.; Schizas, Christos N. (2013)Recently, Greece experienced a financial crisis unprecedented in its modern history. In May of 2010 Greece signed a bailout memorandum with Troika (a tripartite committee constituted by the European Central Bank, the ...
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Conference Object
A fuzzy cognitive map model of the repercussions of greek PSI on cypriot economy
Papaioannou, Maria; Neocleous, Costas K.; Papageorgiou, Charalambos; Schizas, Christos N. (2013)This paper introduces an alternative methodology for developing fuzzy cognitive maps (FCM) for modeling socio-politico-economic systems. The methodology is novel with respect to the proper identification, definition and ...
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Conference Object
A Fuzzy Cognitive Map system to explore certain scenarios on the Cyprus banking system
Papaioannou, Maria; Neocleous, Costas K.; Papageorgiou, Charalambos; Schizas, Christos N. (INSTICC Press, 2014)The model of Fuzzy Cognitive Maps (FCMs) allows a user to investigate how the influencing parameters of a cause-effect system behave under the implementation of desired scenario. Human knowledge and experience is used to ...
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Article
A fuzzy cognitive map system to explore the repercussions of Greek PSI and Bank recapitalization on the Cyprus economy
Papaioannou, Maria; Neocleous, Costas K.; Papageorgiou, Charalambos; Schizas, Christos N. (2014)Recently, Greece experienced a serious financial crisis that forced the country to sign a bailout memorandum with Troika (European Commission, International Monetary Fund and European Central Bank who formed a group of ...
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Conference Object
Fuzzy cognitive maps in estimating the repercussions of oil/gas exploration on politico-economic issues in Cyprus
Neocleous, Costas K.; Schizas, Christos N.; Papaioannou, Maria (2011)Some important politico-economic dynamics, in relation to different scenarios involving the finding and exploitation of oil/gas in the exclusive economic zone of Cyprus, have been modeled and examined through the use of ...
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Article
A generic tool for building fuzzy cognitive map systems
Papaioannou, Maria; Neocleous, Costas K.; Sofokleous, Anastasis A.; Mateou, Nicos H.; Andreou, Andreas S.; Schizas, Christos N. (2010)A generic system for simulating complex dynamical systems along the paradigm of fuzzy cognitive maps (FCM) has been created and tested. The proposed system enables a user to design appropriate FCM structures, by specifying ...
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Conference Object
Important issues to be considered in developing fuzzy cognitive maps
Neocleous, Costas K.; Papaioannou, Maria; Schizas, Christos N. (2011)The formalism of fuzzy cognitive maps as used for the modeling of various dynamical systems is presented with a critical point of view. Various issues related to terminology, concepts, sensitivities, time dependence, ...
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Conference Object
Modeling socio-politico-economic systems with time-dependent fuzzy cognitive maps
Neocleous, Costas K.; Schizas, Christos N. (2012)Most of the formalisms of fuzzy cognitive maps (FCM) that had been proposed and applied in the past are relatively simple in the sense that they handle the various interacting and time-varying concepts as zeroth-order ...
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Article
A neural network computational model of visual selective attention
Neokleous, Kleanthis C.; Avraamides, Marios N.; Neocleous, Costas K.; Schizas, Christos N. (2009)One challenging application for Artificial Neural Networks (ANN) would be to try and actually mimic the behaviour of the system that has inspired their creation as computational algorithms. That is to use ANN in order to ...