All Outputs (46)

An explanation-based approach for experiment reproducibility in recommender systems (2019)
Journal Article

© 2019, Springer-Verlag London Ltd., part of Springer Nature. The offline evaluation of recommender systems is typically based on accuracy metrics such as the Mean Absolute Error and the Root Mean Squared Error for error rating prediction and Precisi... Read More about An explanation-based approach for experiment reproducibility in recommender systems.

Secure Social Media Spaces for Communities of Vulnerable People (2019)
Presentation / Conference Contribution

© 2019 IEEE. This paper presents a proposal for developing secure social media spaces for groups of people that could be vulnerable to external influences. These could be refuges from war torn or politically unstable countries that could be persecute... Read More about Secure Social Media Spaces for Communities of Vulnerable People.

Hybrid Data Set Optimization in Recommender Systems Using Fuzzy T-Norms (2019)
Presentation / Conference Contribution

© 2019, IFIP International Federation for Information Processing. A recommender system uses specific algorithms and techniques in order to suggest specific services, goods or other type of recommendations that users could be interested in. User’s pre... Read More about Hybrid Data Set Optimization in Recommender Systems Using Fuzzy T-Norms.

An approach for web service selection and dynamic composition based on linked open data (2018)
Book Chapter

The wide adoption of the Service Oriented Architecture (SOA) paradigm has provided a means for heterogeneous systems to seamlessly interact and exchange data. Thus, enterprises and end-users have widely utilized Web Services (WS), either as stand-alo... Read More about An approach for web service selection and dynamic composition based on linked open data.

Reproduction of experiments in recommender systems evaluation based on explanations (2018)
Book Chapter

The offline evaluation of recommender systems is typically based on accuracy metrics such as the Mean Absolute Error (MAE) and the Root Mean Squared Error (RMSE), while on the other hand Precision and Recall is used to measure the quality of the top-... Read More about Reproduction of experiments in recommender systems evaluation based on explanations.

Mobile recommender systems: Identifying the major concepts (2018)
Journal Article

© The Author(s) 2018. This article 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 informa... Read More about Mobile recommender systems: Identifying the major concepts.

From product recommendation to cyber-attack prediction: generating attack graphs and predicting future attacks (2018)
Journal Article

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... Read More about From product recommendation to cyber-attack prediction: generating attack graphs and predicting future attacks.

Reproducibility of experiments in recommender systems evaluation (2018)
Presentation / Conference Contribution

© IFIP International Federation for Information Processing 2018 Published by Springer International Publishing AG 2018. All Rights Reserved. Recommender systems evaluation is usually based on predictive accuracy metrics with better scores meaning rec... Read More about Reproducibility of experiments in recommender systems evaluation.

E-voting vs. e-trust: A test bed for e-democracy in a world in crisis? (2017)
Journal Article

The world is currently experiencing a number of real challenges in the face of persistent economic crisis, local conflicts and huge waves of refugees. All of the above are affecting secure access to, completion of peoples’voting rights and participat... Read More about E-voting vs. e-trust: A test bed for e-democracy in a world in crisis?.

Smart Cross-Border e-Gov Systems: An application to refugee mobility (2017)
Journal Article

Smart Cross-Border e-Government Systems for citizens and business have been recently proposed to further improve everyday lives, expand business fron-tiers, and facilitate the movement of citizens by reducing the constraints imposed by existing borde... Read More about Smart Cross-Border e-Gov Systems: An application to refugee mobility.

A method for privacy-preserving collaborative filtering recommendations (2017)
Journal Article

With the continuous growth of the Internet and the progress of electronic commerce the issues of product recommendation and privacy protection are becoming increasingly important. Recommender Systems aim to solve the information overload problem by p... Read More about A method for privacy-preserving collaborative filtering recommendations.

Recommender systems meeting security: From product recommendation to cyber-attack prediction (2017)
Presentation / Conference Contribution

© Springer International Publishing AG 2017. 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 be... Read More about Recommender systems meeting security: From product recommendation to cyber-attack prediction.

Privacy-preserving recommendations in context-aware mobile environments (2017)
Journal Article

© Emerald Publishing Limited. Purpose - This paper aims to address privacy concerns that arise from the use of mobile recommender systems when processing contextual information relating to the user. Mobile recommender systems aim to solve the informa... Read More about Privacy-preserving recommendations in context-aware mobile environments.

Towards effective e-voting system for refugees: Lessons from the case of Palestine (2016)
Presentation / Conference Contribution

Significant global challenges related to persistent economic crises, local conflicts and continuous waves of refugees being displaced from their countries of origin are affecting secure access to and completion of people’s voting rights. The relevant... Read More about Towards effective e-voting system for refugees: Lessons from the case of Palestine.

Privacy-preserving collaborative recommendations based on random perturbations (2016)
Journal Article

© 2016 Elsevier Ltd Collaborative recommender systems offer a solution to the information overload problem found in online environments such as e-commerce. The use of collaborative filtering, the most widely used recommendation method, gives rise to... Read More about Privacy-preserving collaborative recommendations based on random perturbations.

E-voting versus e-trust: A case for e-democracy in Palestine (2016)
Journal Article

The world at present is facing a number of real challenges in the face of persistent economic crisis, local conflicts and huge waves of refugees. All of the above are affecting secure access to and completion of peoples voting rights. The relevant te... Read More about E-voting versus e-trust: A case for e-democracy in Palestine.

Social media and E-voting – A secure and trusted political forum for palestine (2016)
Presentation / Conference Contribution

© Springer International Publishing AG 2016. Electronic Government applications are nowadays a common tool for governments across the globe. The success rate in gaining the trust of citizens/users and the rates of participation in democratic processe... Read More about Social media and E-voting – A secure and trusted political forum for palestine.

Utilizing linked open data for web service selection and composition to support e-commerce transactions (2016)
Presentation / Conference Contribution

© Springer International Publishing Switzerland 2016. Web Services (WS) have emerged during the past decades as a means for loosely coupled distributed systems to interact and communicate. Nevertheless, the abundance of services that can be retrieved... Read More about Utilizing linked open data for web service selection and composition to support e-commerce transactions.

A method for privacy-preserving context-aware mobile recommendations (2015)
Presentation / Conference Contribution

Mobile recommender systems aim to solve the information overload problem found by recommending products or services to users of mobile smartphones or tables at any given point in time and in any possible location. Mobile recommender systems are desig... Read More about A method for privacy-preserving context-aware mobile recommendations.

Smart cross-border e-Gov systems and applications (2015)
Presentation / Conference Contribution

Recent developments on ICT innovations like Internet of Things, Cloud Computing and Big Data encourage further the design and application of "Smart" e-Government Systems and applications to citizens and business. These smart systems are aiming to imp... Read More about Smart cross-border e-Gov systems and applications.