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1,185 results on '"Pimenidis, Elias"'

3. BotDroid: Permission-Based Android Botnet Detection Using Neural Networks

Author

Seraj, Saeed, Pimenidis, Elias, Pavlidis, Michalis, Kapetanakis, Stelios, Trovati, Marcello, Polatidis, Nikolaos, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Barbosa, Simone Diniz Junqueira, Editorial Board Member, Chen, Phoebe, Editorial Board Member, Cuzzocrea, Alfredo, Editorial Board Member, Du, Xiaoyong, Editorial Board Member, Kara, Orhun, Editorial Board Member, Liu, Ting, Editorial Board Member, Sivalingam, Krishna M., Editorial Board Member, Slezak, Dominik, Editorial Board Member, Washio, Takashi, Editorial Board Member, Yang, Xiaokang, Editorial Board Member, Yuan, Junsong, Editorial Board Member, Iliadis, Lazaros, editor, Maglogiannis, Ilias, editor, Alonso, Serafin, editor, Jayne, Chrisina, editor, and Pimenidis, Elias, editor

Published
2023
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4. VPNDroid: Malicious Android VPN Detection Using a CNN-RF Method

Author

Polatidis, Nikolaos, Pimenidis, Elias, Trovati, Marcello, Iliadis, Lazaros, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Iliadis, Lazaros, editor, Papaleonidas, Antonios, editor, Angelov, Plamen, editor, and Jayne, Chrisina, editor

Published
2023
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5. Can Machine Learning Support Improvement in Effective Nutrition of Patients in Critical Care Units?

Author

Pimenidis, Elias, Soomro, Kamran, Papaleonidas, Antonios, Psathas, Anastasios Panagiotis, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Iliadis, Lazaros, editor, Papaleonidas, Antonios, editor, Angelov, Plamen, editor, and Jayne, Chrisina, editor

Published
2023
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6. A Novel LSTM-CNN Architecture to Forecast Stock Prices

Author

Dhaliwal, Amol, Polatidis, Nikolaos, Pimenidis, Elias, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Pimenidis, Elias, editor, Angelov, Plamen, editor, Jayne, Chrisina, editor, Papaleonidas, Antonios, editor, and Aydin, Mehmet, editor

Published
2022
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7. Supporting Patient Nutrition in Critical Care Units

Author

Soomro, Kamran, Pimenidis, Elias, McWilliams, Chris, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Iliadis, Lazaros, editor, Jayne, Chrisina, editor, Tefas, Anastasios, editor, and Pimenidis, Elias, editor

Published
2022
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8. Fast and Accurate Evaluation of Collaborative Filtering Recommendation Algorithms

Author

Polatidis, Nikolaos, Kapetanakis, Stelios, Pimenidis, Elias, Manolopoulos, Yannis, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Nguyen, Ngoc Thanh, editor, Tran, Tien Khoa, editor, Tukayev, Ualsher, editor, Hong, Tzung-Pei, editor, Trawiński, Bogdan, editor, and Szczerbicki, Edward, editor

Published
2022
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10. Mobile recommender systems: Identifying the major concepts

Author

Pimenidis, Elias, Polatidis, Nikolaos, and Mouratidis, Haralambos

Subjects
Computer Science - Information Retrieval
Abstract

This paper identifies the factors that have an impact on mobile recommender systems. Recommender systems have become a technology that has been widely used by various online applications in situations where there is an information overload problem. Numerous applications such as e-Commerce, video platforms and social networks provide personalized recommendations to their users and this has improved the user experience and vendor revenues. The development of recommender systems has been focused mostly on the proposal of new algorithms that provide more accurate recommendations. However, the use of mobile devices and the rapid growth of the internet and networking infrastructure has brought the necessity of using mobile recommender systems. The links between web and mobile recommender systems are described along with how the recommendations in mobile environments can be improved. This work is focused on identifying the links between web and mobile recommender systems and to provide solid future directions that aim to lead in a more integrated mobile recommendation domain.

Published
2018

11. From product recommendation to cyber-attack prediction: Generating attack graphs and predicting future attacks

Author

Polatidis, Nikolaos, Pimenidis, Elias, Pavlidis, Michalis, Papastergiou, Spyridon, and Mouratidis, Haralambos

Subjects
Computer Science - Information Retrieval
Abstract

Modern information society depends on reliable functionality of information systems infrastructure, while at the same time the number of cyber-attacks has been increasing over the years and damages have been caused. Furthermore, graphs can be used to show paths than can be exploited by attackers to intrude into systems and gain unauthorized access through vulnerability exploitation. This paper presents a method that builds attack graphs using data supplied from the maritime supply chain infrastructure. The method delivers all possible paths that can be exploited to gain access. Then, a recommendation system is utilized to make predictions about future attack steps within the network. We show that recommender systems can be used in cyber defense by predicting attacks. The goal of this paper is to identify attack paths and show how a recommendation method can be used to classify future cyber-attacks in terms of risk management. The proposed method has been experimentally evaluated and validated, with the results showing that it is both practical and effective.

Published
2018

18. Establishing the Informational Requirements for Modelling Open Domain Dialogue and Prototyping a Retrieval Open Domain Dialogue System

Author

Meier, Trent, Pimenidis, Elias, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Nguyen, Ngoc Thanh, editor, Iliadis, Lazaros, editor, Maglogiannis, Ilias, editor, and Trawiński, Bogdan, editor

Published
2021
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19. Federated Blockchained Supply Chain Management: A CyberSecurity and Privacy Framework

Author

Demertzis, Konstantinos, Iliadis, Lazaros, Pimenidis, Elias, Tziritas, Nikolaos, Koziri, Maria, Kikiras, Panagiotis, Tonkin, Michael, Rannenberg, Kai, Editor-in-Chief, Soares Barbosa, Luís, Editorial Board Member, Goedicke, Michael, Editorial Board Member, Tatnall, Arthur, Editorial Board Member, Neuhold, Erich J., Editorial Board Member, Stiller, Burkhard, Editorial Board Member, Tröltzsch, Fredi, Editorial Board Member, Pries-Heje, Jan, Editorial Board Member, Kreps, David, Editorial Board Member, Reis, Ricardo, Editorial Board Member, Furnell, Steven, Editorial Board Member, Mercier-Laurent, Eunika, Editorial Board Member, Winckler, Marco, Editorial Board Member, Malaka, Rainer, Editorial Board Member, Maglogiannis, Ilias, editor, Macintyre, John, editor, and Iliadis, Lazaros, editor

Published
2021
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20. Blockchain and Artificial Intelligence Managing a Secure and Sustainable Supply Chain

Author

Pimenidis, Elias, Patsavellas, John, Tonkin, Michael, Masys, Anthony J., Series Editor, Bichler, Gisela, Advisory Editor, Bourlai, Thirimachos, Advisory Editor, Johnson, Chris, Advisory Editor, Karampelas, Panagiotis, Advisory Editor, Leuprecht, Christian, Advisory Editor, Morse, Edward C., Advisory Editor, Skillicorn, David, Advisory Editor, Yamagata, Yoshiki, Advisory Editor, Jahankhani, Hamid, editor, Jamal, Arshad, editor, and Lawson, Shaun, editor

Published
2021
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22. Hybrid Data Set Optimization in Recommender Systems Using Fuzzy T-Norms

Author

Papaleonidas, Antonios, Pimenidis, Elias, Iliadis, Lazaros, Rannenberg, Kai, Editor-in-Chief, Sakarovitch, Jacques, Editorial Board Member, Goedicke, Michael, Editorial Board Member, Tatnall, Arthur, Editorial Board Member, Neuhold, Erich J., Editorial Board Member, Pras, Aiko, Editorial Board Member, Tröltzsch, Fredi, Editorial Board Member, Pries-Heje, Jan, Editorial Board Member, Kreps, David, Editorial Board Member, Reis, Ricardo, Editorial Board Member, Furnell, Steven, Editorial Board Member, Furbach, Ulrich, Editorial Board Member, Winckler, Marco, Editorial Board Member, Malaka, Rainer, Editorial Board Member, MacIntyre, John, editor, Maglogiannis, Ilias, editor, Iliadis, Lazaros, editor, and Pimenidis, Elias, editor

Published
2019
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25. Correction to: Artificial Neural Networks and Machine Learning – ICANN 2022

Author

Pimenidis, Elias, Angelov, Plamen, Jayne, Chrisina, Papaleonidas, Antonios, Aydin, Mehmet, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Pimenidis, Elias, editor, Angelov, Plamen, editor, Jayne, Chrisina, editor, Papaleonidas, Antonios, editor, and Aydin, Mehmet, editor

Published
2022
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32. Reproducibility of Experiments in Recommender Systems Evaluation

Author

Polatidis, Nikolaos, Kapetanakis, Stelios, Pimenidis, Elias, Kosmidis, Konstantinos, Rannenberg, Kai, Editor-in-Chief, Sakarovitch, Jacques, Series Editor, Goedicke, Michael, Series Editor, Tatnall, Arthur, Series Editor, Neuhold, Erich J., Series Editor, Pras, Aiko, Series Editor, Tröltzsch, Fredi, Series Editor, Pries-Heje, Jan, Series Editor, Whitehouse, Diane, Series Editor, Reis, Ricardo, Series Editor, Furnell, Steven, Series Editor, Furbach, Ulrich, Series Editor, Winckler, Marco, Series Editor, Rauterberg, Matthias, Series Editor, Iliadis, Lazaros, editor, Maglogiannis, Ilias, editor, and Plagianakos, Vassilis, editor

Published
2018
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33. An Approach for Web Service Selection and Dynamic Composition Based on Linked Open Data

Author

Vesyropoulos, Nikolaos, Georgiadis, Christos K., Pimenidis, Elias, Hutchison, David, Series Editor, Kanade, Takeo, Series Editor, Kittler, Josef, Series Editor, Kleinberg, Jon M., Series Editor, Mattern, Friedemann, Series Editor, Mitchell, John C., Series Editor, Naor, Moni, Series Editor, Pandu Rangan, C., Series Editor, Steffen, Bernhard, Series Editor, Terzopoulos, Demetri, Series Editor, Tygar, Doug, Series Editor, Weikum, Gerhard, Series Editor, Thanh Nguyen, Ngoc, editor, and Kowalczyk, Richard, editor

Published
2018
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34. Risk based analogy for e-business estimation

Author

Pimenidis, Elias and Miller, Colin J.

Subjects
658.15
Abstract

Over the past fifteen years, new technologies have enabled the evolution of e-business and as new trends on web based applications develop at a very fast pace, projects to implement new and adapt existing e-business systems are becoming more complex in their structure. At the same time, organizations involved as stakeholders are becoming more demanding in the delivery of fast, accurate and timely results. Where interconnected e-business systems, such as Value-Added-Communities, are concerned the key criteria of success, in addition to the quality of the technical work, are the timely completion of the project and an accurate estimate of the launch time. Given the nature of such e-business development projects, estimating their duration cannot be based on traditional estimation methods that target the estimation of human effort originally and then attempt to convert this to cost and duration. This research explores a new approach aiming to improve the accuracy of estimates for e-business development projects, obtained at the early stages of the project. The key objective is to modify the estimation by analogy approach by using risk as the key element that along with project size and complexity are used to identify analogues and determine analogies amongst projects. The author established the behaviour of risk with the variation of certain project attributes that define a project’s size and complexity at the very early stages of the project, before detailed requirements are identified. The variation of risk was subsequently employed, with a modification to the estimation by analogy method, to establish analogies on suitably identified analogues to the project to be estimated. The ISBSG project data repository has been used as source for potential analogue projects in testing the proposed method. Four project cases were considered. New estimates have been obtained using the modified estimation approach method and the results were compared to the original estimates for the projects, obtained using traditional methods. Results obtained within the context of this research are encouraging and suggest that there is credibility to the proposed modification. The accuracy of the estimates is within acceptable tolerance levels and shows signs that it can improve on the quality of estimates obtained from traditional methods when applied to e-business development projects. More research is required though to expand and fully exploit the potential of this approach. In particular the author believes that the approach could be further fine tuned for improved accuracy of the estimated duration. This risk based estimation by analogy approach could then be applied to other types of projects which share characteristics with e-business projects such as, demands for short time development, complex interactions of stakeholders and accuracy in the time of completion. Types of projects where the proposed method could possibly be utilized are web services implementation, computer games development and cloud computing projects.

Published
2011

35. Recommender Systems Meeting Security: From Product Recommendation to Cyber-Attack Prediction

Author

Polatidis, Nikolaos, Pimenidis, Elias, Pavlidis, Michalis, Mouratidis, Haralambos, Diniz Junqueira Barbosa, Simone, Series editor, Chen, Phoebe, Series editor, Du, Xiaoyong, Series editor, Filipe, Joaquim, Series editor, Kotenko, Igor, Series editor, Liu, Ting, Series editor, Sivalingam, Krishna M., Series editor, Washio, Takashi, Series editor, Boracchi, Giacomo, editor, Iliadis, Lazaros, editor, Jayne, Chrisina, editor, and Likas, Aristidis, editor

Published
2017
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40. Social Media and E-Voting – A Secure and Trusted Political Forum for Palestine

Author

Shat, Fouad, Pimenidis, Elias, Diniz Junqueira Barbosa, Simone, Series editor, Chen, Phoebe, Series editor, Du, Xiaoyong, Series editor, Filipe, Joaquim, Series editor, Kara, Orhun, Series editor, Kotenko, Igor, Series editor, Liu, Ting, Series editor, Sivalingam, Krishna M., Series editor, Washio, Takashi, Series editor, Jahankhani, Hamid, editor, Carlile, Alex, editor, Emm, David, editor, Hosseinian-Far, Amin, editor, Brown, Guy, editor, Sexton, Graham, editor, and Jamal, Arshad, editor

Published
2016
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41. Utilizing Linked Open Data for Web Service Selection and Composition to Support e-Commerce Transactions

Author

Vesyropoulos, Nikolaos, Georgiadis, Christos K., Pimenidis, Elias, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Nguyen, Ngoc-Thanh, editor, Iliadis, Lazaros, editor, Manolopoulos, Yannis, editor, and Trawiński, Bogdan, editor

Published
2016
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42. Funding bright ideas in the dark continent

Author

Ogwu Kanayo, Pimenidis Elias, and Kozlovski Eugene

Subjects
crowdfunding, entrepreneurship, smes, fundraising, developing countries, social media, Production management. Operations management, TS155-194, Personnel management. Employment management, HF5549-5549.5
Abstract

This work explores the potential of small businesses and entrepreneurs, in developing countries, and Nigeria more specifically, in exploring the opportunities offered by social media based crowdfunding. The aim is to propose a framework for funding bright ideas that have the capacity to support economic growth in the African continent and create continuous employment and prosperity for its people. The means for achieving such a transformation is proposed here as social media based crowdfunding. Some variables identified in this study are also visible in some other parts of the world like Asia and South America, and thus, the solutions recommended here can be translated (with some minor adjustments) to such markets. The research uses data taken from a range of fundraisers in the United Kingdom and Nigeria, to 'determine the effects of social media as a crowdfunding platform for startups, particularly in the developing world'.

Published
2018

43. An Evaluation of the Initiatives and the Progress Made on e-government Services in the EU

Author

Sideridis, Alexander B., Pimenidis, Elias, Protopappas, Loucas, Koukouli, M., Akan, Ozgur, Series editor, Bellavista, Paolo, Series editor, Cao, Jiannong, Series editor, Dressler, Falko, Series editor, Ferrari, Domenico, Series editor, Gerla, Mario, Series editor, Kobayashi, Hisashi, Series editor, Palazzo, Sergio, Series editor, Sahni, Sartaj, Series editor, Shen, Xuemin (Sherman), Series editor, Stan, Mircea, Series editor, Xiaohua, Jia, Series editor, Zomaya, Albert, Series editor, Coulson, Geoffrey, Series editor, Georgiadis, Christos K., editor, Jahankhani, Hamid, editor, Pimenidis, Elias, editor, Bashroush, Rabih, editor, and Al-Nemrat, Ameer, editor

Published
2012
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44. Maximum Entropy Oriented Anonymization Algorithm for Privacy Preserving Data Mining

Author

Tsiafoulis, Stergios G., Zorkadis, Vasilios C., Pimenidis, Elias, Akan, Ozgur, Series editor, Bellavista, Paolo, Series editor, Cao, Jiannong, Series editor, Dressler, Falko, Series editor, Ferrari, Domenico, Series editor, Gerla, Mario, Series editor, Kobayashi, Hisashi, Series editor, Palazzo, Sergio, Series editor, Sahni, Sartaj, Series editor, Shen, Xuemin (Sherman), Series editor, Stan, Mircea, Series editor, Xiaohua, Jia, Series editor, Zomaya, Albert, Series editor, Coulson, Geoffrey, Series editor, Georgiadis, Christos K., editor, Jahankhani, Hamid, editor, Pimenidis, Elias, editor, Bashroush, Rabih, editor, and Al-Nemrat, Ameer, editor

Published
2012
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45. Paving the Way for a Transformational Public Administration

Author

Savvas, Ioannis, Bassiliades, Nick, Pimenidis, Elias, Sideridis, Alexander B., Akan, Ozgur, Series editor, Bellavista, Paolo, Series editor, Cao, Jiannong, Series editor, Dressler, Falko, Series editor, Ferrari, Domenico, Series editor, Gerla, Mario, Series editor, Kobayashi, Hisashi, Series editor, Palazzo, Sergio, Series editor, Sahni, Sartaj, Series editor, Shen, Xuemin (Sherman), Series editor, Stan, Mircea, Series editor, Xiaohua, Jia, Series editor, Zomaya, Albert, Series editor, Coulson, Geoffrey, Series editor, Georgiadis, Christos K., editor, Jahankhani, Hamid, editor, Pimenidis, Elias, editor, Bashroush, Rabih, editor, and Al-Nemrat, Ameer, editor

Published
2012
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46. A Method for Privacy-Preserving Context-Aware Mobile Recommendations

Author

Polatidis, Nikolaos, Georgiadis, Christos K., Pimenidis, Elias, Stiakakis, Emmanouil, Diniz Junqueira Barbosa, Simone, Series editor, Chen, Phoebe, Series editor, Du, Xiaoyong, Series editor, Filipe, Joaquim, Series editor, Kara, Orhun, Series editor, Kotenko, Igor, Series editor, Liu, Ting, Series editor, Sivalingam, Krishna M., Series editor, Washio, Takashi, Series editor, Katsikas, Sokratis K., editor, and Sideridis, Alexander B., editor

Published
2015
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47. Smart Cross-Border e-Gov Systems and Applications

Author

Sideridis, Alexander B., Protopappas, Loucas, Tsiafoulis, Stergios, Pimenidis, Elias, Diniz Junqueira Barbosa, Simone, Series editor, Chen, Phoebe, Series editor, Du, Xiaoyong, Series editor, Filipe, Joaquim, Series editor, Kara, Orhun, Series editor, Kotenko, Igor, Series editor, Liu, Ting, Series editor, Sivalingam, Krishna M., Series editor, Washio, Takashi, Series editor, Katsikas, Sokratis K., editor, and Sideridis, Alexander B., editor

Published
2015
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