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7 Papers

Combining Physiological with Cognitive Measures of Online Users to Evaluate a Physicians’ Review Website

Topics: Usability; Health Care/Well-Being

Authors: Andreas Gregoriades and Olga Vozniuk

Affiliation: European University Cyprus, Cyprus

Digital Object Identifier: 10.5220/0005518701520159

Proceedings of ICE-B 2015/ICETE, ISBN: 978-989-758-113-7

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Patients’ opinions is considered a new and promising way for evaluating the performance of medical practitioners. This paper presents a design science approach to the evaluation of a doctors’ review website. Due to the importance of the decisions that patients might make using such websites, usability is considered as one of the critical parameter to their success. This paper reports on results from an experimental evaluation of a doctors’ review website, using a combination of evaluation methods such as: eye tracking, think aloud and surveys. Results from the evaluation process highlighted a number of issues related to the information architecture which have been address during the redesign of the website.
Collapse Button Related Ontology Subjects/Areas/Topics (9)
Applications

Enterprise Information Systems

Usability and Ergonomics

Collaboration and e-Services

Health Care/Well-Being

Web Information Systems and Technologies

e-Business

Usability

Web Interfaces and Applications

A Fuzzy Cognitive Map System to Explore Certain Scenarios on the Cyprus Banking System

Topics: Soft Computing and Intelligent Agents; Complex Fuzzy Systems; Fuzzy Systems Design, Modeling and Control

Authors: Maria Papaioannou 1 , Costas Neocleous 2 , Charalambos Papageorgiou 3 and Christos N. Schizas 1

Affiliations: 1 University of Cyprus, Cyprus , 2 Cyprus University of Technology, Cyprus , 3 European University of Cyprus, Cyprus

Digital Object Identifier: 10.5220/0005039701030110

Proceedings of FCTA 2014/IJCCI, ISBN: 978-989-758-053-6

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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 define the structure and the parameters of a FCM model. This paper proposes a methodology which smoothly directs the steps that the experts should take in building an FCM system in order to reduce the subjectivity which characterizes such expert systems. Furthermore, an update rule for the parameters during the simulation phase is presented. Finally, the novel FCM construction methodology and the proposed FCM update rule are tested on a real-life system to investigate the repercussions of the combination of the Greek private sector involvement (PSI) with the decrease of people’s confidence towards the Cyprus banking system. The results resemble what actually happened to the Cyprus economy a short period after the implementation of the Greek PSI.
Collapse Button Related Ontology Subjects/Areas/Topics (7)
Artificial Intelligence

Fuzzy Systems

Soft Computing

Complex Fuzzy Systems

Fuzzy Systems Design, Modeling and Control

Soft Computing and Intelligent Agents
Computational Intelligence

An Intelligent Transportation System for Accident Risk Index Quantification

Topics: Operational Research; Intelligent Transportation System

Authors: Andreas Gregoriades 1 , Kyriacos Mouskos 2 and Harris Michail 3

Affiliations: 1 European University Cyprus, Cyprus , 2 Cyprus Transport and Logistics Ltd, Cyprus , 3 Cyprus University of Technology, Cyprus

Digital Object Identifier: 10.5220/0003989203180321

Proceedings of ICEIS 2012, ISBN: 978-989-8565-10-5

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Traffic phenomena are characterized by complexity and uncertainty, hence require sophisticated information management to identify patterns relevant to safety and reliability. Traffic information systems have emerged with the aim to ease traffic congestion and improve road safety. However, assessment of traffic safety and congestion requires significant amount of data which in most cases is not available. This work illustrates an approach that aims to alleviate this problem through the integration of two mature technologies namely, simulation-based Dynamic Traffic Assignment (DTA) and Bayesian Networks (BN). The former generates traffic flow data, utilised by a BN model that quantifies accident risk. Traffic flow data is used to assess the accident risk index per road section and hence, escape from the limitation of traditional approaches that use only accident frequencies to quantify accident risk. The development of the BN model combines historical accident records obtained from the Cyprus police and domain knowledge from road safety.
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Artificial Intelligence and Decision Support Systems

Intelligent Transportation System

Operational Research
Enterprise Information Systems

On the Development of Totally Self-checking Hardware Design for the SHA-1 Hash Function

Topics: Reliability and Dependability; Security Engineering; Applied Cryptography; Authentication; Security Protocols

Authors: Harris E. Michail 1 , George S. Athanasiou 2 , Andreas Gregoriades 3 , George Theodoridis 2 and Costas E. Goutis 2

Affiliations: 1 Cyprus University of Technology, Cyprus , 2 University of Patras, Greece , 3 European University of Cyprus, Cyprus

Digital Object Identifier: 10.5220/0004059302700275

Proceedings of SECRYPT 2012/ICETE, ISBN: 978-989-8565-24-2

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Hash functions are among the major blocks of modern security schemes, used in many applications to provide authentication services. To meet the applications’ real-time constraints, they are implemented in hardware offering high-performance and increased security solutions. However, faults occurred during their operation result in the collapse of the authentication procedure, especially when they are used in security-critical applications such as military or space ones. In this paper, a Totally Self-Checking (TSC) design is introduced for the currently most-used hash function, namely the SHA-1. A detailed description concerning the TSC development of the data- and control-path is provided. To the best of authors’ knowledge, it is the first time that a TSC hashing core is presented. The proposed design has been implemented in 0.18μm CMOS technology and experiments on fault caverage, performance, and area have been performed. It achieves 100% coverage in the case of odd erroneous bits. The same coverage is also achieved for even erroneous bits, if they are appropriately spread. Compared to the corresponding Duplicated-with-Checking (DWC) design, the proposed one is more area-efficient by almost 15% keeping the same frequency.
Collapse Button Related Ontology Subjects/Areas/Topics (13)
Applied Cryptography

Information and Systems Security

Security Engineering

Authentication

Network Security

Security in Information Systems

Cryptographic Techniques and Key Management

Obstacles

Security Protocols

Data Engineering

Reliability and Dependability

Sensor Networks
Databases and Data Security

ENHANCING RECOMMENDER SYSTEMS DEVELOPMENT WITH HUMAN, SOCIAL, CULTURAL AND ORGANIZATIONAL FACTORS

Topics: Electronic Commerce; User Profiling and Recommender Systems

Authors: Andreas S. Andreou 1 and Stephanos Mavromoustakos 2

Affiliations: 1 Cyprus University of Technology, Cyprus , 2 European University Cyprus, Cyprus

Digital Object Identifier: 10.5220/0003553202110214

Proceedings of ICEIS 2011, ISBN: 978-989-8425-56-0

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Recommender Systems (RS) aim at suggesting filtered Web information adapted to the needs or interests of users by predicting their access behavior using a certain strategy or algorithm. The creation of RS is usually approached focusing mostly on user behavior modeling, while the recommendation engine often neglects critical, non-technical aspects of software systems development. Conceiving a RS primarily as a self-contained or part of a Web-application, the present paper utilizes the SpiderWeb methodology and takes into account important requirements that result from human, cultural, social and organizational factors (HSCO) so as to drive the RS development activities.
Collapse Button Related Ontology Subjects/Areas/Topics (8)
Artificial Intelligence

Knowledge Discovery and Information Retrieval

Symbolic Systems

Electronic Commerce

Knowledge-Based Systems

User Profiling and Recommender Systems
Enterprise Information Systems

Software Agents and Internet Computing

ULTRA HIGH SPEED SHA-256 HASHING CRYPTOGRAPHIC MODULE FOR IPSEC HARDWARE/SOFTWARE CODESIGN

Topics: Ipsec, Vpns and Encryption Modes; Data Integrity; Identification, Authentication and Non-Repudiation

Authors: Harris Michail 1 , George Athanasiou 1 , Angeliki Kritikakou 1 , Costas Goutis 1 , Andreas Gregoriades 2 and Vicky Papadopoulou 2

Affiliations: 1 University of Patras, Greece , 2 European University of Cyprus, Cyprus

Digital Object Identifier: 10.5220/0002991403090313

Proceedings of SECRYPT 2010/ICETE, ISBN: 978-989-8425-18-8

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Nowadays, more than ever, security is considered to be critical issue for all electronic transactions. This is the reason why security services like those described in IPSec are mandatory to IPV6 which will be adopted as the new IP standard the next years. Moreover the need for security services in every data packet that is transmitted via IPv6, illustrates the need for designing security products able to achieve higher throughput rates for the incorporated security schemes. In this paper such a design is presented which manages to increase throughput of SHA-256 hash function enabling efficient software/hardware co-design.
Collapse Button Related Ontology Subjects/Areas/Topics (6)
Data Engineering

Databases and Data Security

Information and Systems Security

Data Integrity

Identification, Authentication and Non-Repudiation

Ipsec, Vpns and Encryption Modes

INTERNATIONALISING THE MANAGEMENT INFORMATION SYSTEMS MODULE

Topics: Metrics and Performance Measurement; Course/Program Evaluation

Authors: Andreas Gregoriades 1 , Maria Pampaka 2 and Vicky Papadopoulou 1

Affiliations: 1 European University Cyprus, Cyprus , 2 University of Manchester, United Kingdom

Digital Object Identifier: 10.5220/0001831200210026

Proceedings of CSEDU 2009, ISBN: 978-989-8111-82-1

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The work described here draws on the emergent need to internationalise the curriculum in higher education. The paper in particular focuses on the internationalisation of the Management Information Systems (MIS) module and the identification of learning differences among the two dominant cultural groups in higher education in the UK: Asian and European students. The identification of differences among knowledge patterns of these cultural groups is achieved through the application of a concept mapping technique. The research question addressed is: How can we internationalise the MIS module’s content and teaching methods to provide for students from different cultural backgrounds?
Collapse Button Related Ontology Subjects/Areas/Topics (5)
Computer-Supported Education

Learning/Teaching Methodologies and Assessment

Social Context and Learning Environments
Course/Program Evaluation

Metrics and Performance Measurement

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