Τμήμα Πληροφορικής / Department of Computer Science: Recent submissions
Now showing items 321-340 of 1952
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Conference Object
N3: Addressing and routing in 3D nanonetworks
(Institute of Electrical and Electronics Engineers Inc., 2016)Wireless communication at nanoscale faces unique challenges stemming from low hardware capabilities, limited power supply and unreliable channel conditions. The present paper proposes a networking scheme that can operate ...
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Article
GridBench: A tool for the interactive performance exploration of Grid infrastructures
(2007)As Grids rapidly expand in size and complexity, the task of benchmarking and testing, interactive or unattended, quickly becomes unmanageable. In this article we describe the difficulties of testing/benchmarking resources ...
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Conference Object
A preliminary study on learners' physiological measurements in educational hypermedia
(2010)This paper presents the findings of a preliminary study about the use of bio-feedback sensors in the context of an educational hypermedia environment
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Article
User-centric profiling on the basis of cognitive and emotional characteristics: An empirical study
(2008)In order to clarify whether extending learners' profiles in an adaptive educational system to cognitive and emotional characteristics may have a positive effect on performance, we conducted an empirical study that consists ...
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Article
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Conference Object
Eye-tracking users' behavior in relation to Cognitive Style within an e-Learning environment
(2009)Eye-tracking measurements may be used as a method of identifying users' actual behavior in a hypermedia setting. In this research, an eye-tracking experiment was conducted in order to validate the construct of cognitive ...
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Article
Working memory span and E-learning: The effect of personalization techniques on learners' performance
(2010)This research paper presents the positive effect of incorporating individuals' working memory (WM) span as a personalization factor in terms of improving users' academic performance in the context of adaptive educational ...
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Conference Object
Personalizing Web environments on user intrinsic characteristics
(2008)Individual differences in information processing, as derived from an approach that takes into account cognitive and emotional parameters, serve as a basis for setting a theoretical framework that addresses user profiling ...
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Conference Object
Evaluating the significance of cognitive and emotional parameters in e-learning adaptive environments
(2007)This paper presents experimental evidence supporting the notion that users' individual information processing characteristics are significant in the context of e-learning environments. In the wider field of Adaptive ...
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Article
Working memory differences in e-learning environments: Optimization of learners' performance through personalization
(2009)Working memory (WM) is a psychological construct that has a major effect on information processing, thus signifying its importance when considering individual differences and adaptive educational hypermedia. Previous work ...
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Article
An experimental assessment of the use of cognitive and affective factors in adaptive educational hypermedia
(2009)In order to assess the positive effect and validity of personalization on the basis of users' cognitive and emotional characteristics, this study presents three subsequent experiments. The first experiment explores the ...
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Book Chapter
Incorporating human factors in the development of context-aware personalized applications: The next generation of intelligent user interfaces
(IGI Global, 2009)The notion of context in context-aware applications is not merely an issue of external situational circumstances or device/channel properties, but it could also refer to a wide array of user characteristics that have an ...
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Book Chapter
An assessment of human factors in adaptive hypermedia environments
(IGI Global, 2008)The plethora of information and services as well as the complicated nature of most Web structures intensify the navigational difficulties that arise when users navigate their way through this large information space. ...
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Article
An embedded saliency map estimator scheme: Application to video encoding
(2007)In this paper we propose a novel saliency-based computational model for visual attention. This model processes both top-down (goal directed) and bottom-up information. Processing in the top-down channel creates the so ...
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Conference Object
Biologically inspired region of interest selection for low bit-rate video coding
(2006)A variety of approaches have been proposed in the literature for Region-Of-Interest (ROI) estimation. In most of them the ROI definition is highly subjective, i.e., lacks scientific evidence in supporting the claim that ...
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Conference Object
Image analysis system for automated detection of breast cancer nuclei
(IEEE Comp Soc, 1997)A study for breast cancer nuclei detection is presented in this paper. The proposed algorithm determines the centers of nuclei in biopsy images using block-based processing of the images followed by singular value decomposition ...
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Conference Object
Palm geometry biometrics: A score-based fusion approach
(2009)In this paper we present an identification and authentication system based on hand geometry. First, we examine the performance of three different methods that are based on hand silhouette and on binarized hand images and ...
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Conference Object
Enhancing e-learning environments with users' cognitive factors: The case of EKPAIDEION
(Academic Conferences Limited, 2008)We are now witnessing an extensive and gradually increasing use of the World Wide Web space, proved to be a quite favourable way of communication, due to its speed, simplicity and efficiency. Distance learning (or eLearning) ...
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Conference Object
Neural network assisted algorithm for automated detection of breast cancer nuclei
(IEEE, 1997)A neural network assisted algorithm used for the detection of nuclei in biopsy images is presented in this paper. This algorithm is combined in a logical AND form with an algorithm based on receptive fields to build the ...
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Article
An individual differences approach in designing ontologies for efficient personalization
(2013)This article discusses the potential role of cognitive individual differences in the context of designing ontologies for personalization on users' characteristics. The theoretical framework of the proposed approach is ...