Η μελέτη αυτή έχει ως αντικείμενο την πρόταση - Οδηγία της Ευρωπαϊκής Επιτροπής σχετικά με τα οργανωμένα ταξίδια και τους εξατομικευμένους ταξιδιωτικούς διακανονισμούς, η οποία τροποποιεί τον Κανονισμό (ΕΚ) αριθμ. 2006/2004 ...

Στη σημερινή εποχή μεγάλος αριθμός ατόμων με αναπηρία επιθυμούν να ταξιδέψουν. H μελέτη αυτή εξετάζει το δικαίωμα των ατόμων με ειδικές ανάγκες-κινητικά προβλήματα να έχουν πρόσβαση σε τουριστικές υπηρεσίες και τουριστικά ...

Coronavirus has evolved from a regional issue in China into a global “Public Health Emergency of International Concern” with a significant number of cases being recorded at an international and European level. On 11March ...

This paper focuses on selected legal issues which arise from the implementation of the directive (EU) 2015/2302 on package travel and linked travel arrangements (PTD) into the Greek law through the Presidential Decree ...

We propose a method for search privacy on the Internet, focusing onenhancing plausible deniability against search engine query-logs. The method ap-proximates the target search results, without submitting the intended query ...

Android devices contain a vast amount of personal data of their owners. These data are stored on the device and are protected by the Android permission scheme. Android apps can obtain access to specific data items by ...

In this paper, we focus on privacy leakages about Twitter usersand show that simply establishing follower and friend connectionsin the Twitter network might be enough to reveal sensitive in-formation about the political ...

Educational robotics has gained a lot of attention in the past few years in K-12 education. Prior studies have shown enough shreds of evidence and highlight the benefits of educational robotics as being effective in providing ...

The value of personal data generated and managed by smartdevices which comprise the Internet of Things (IoT) is unquestionable.The EU General Data Protection Regulation (GDPR) that has beenrecentlyput in force, sets the ...

In this work, we show that Twitter users can reveal valuable political information about particular Nodes of Interest (NOIs) they opt to follow. More precisely, we utilize an interesting graph projection method and a series ...

In the Internet of Things (IoT) ecosystem the volume of data generated by devices in the user’s environment is constantly increasing and becoming of particular value. In such an environment the average user is bound to ...

Online gambling, unlike other mediums of problem-atic and addictive behaviours, such as tobacco and alcohol, offers unprecedented opportunities for building information systems that are able to monitor and understand a ...

Topic modeling refers to a suite of probabilistic algorithms for extracting word patterns from a collection of documents aiming for data clustering and detection of research trends. We developed an online service that ...

Chronic non-communicable diseases such as diabetes, chronic cardiorenal and respiratory disease and cancer, are serious, burdensome and costly conditions that share a common characteristic: they heavily depend on common ...

In this work, we define the Nearest Doctor Problem (NDP) for finding the closest doctor in case of an emergency and present a secure multi-party computation for solving it. The solution is based on a privacy-preserving ...

Biomedical research and clinical decision depend increasingly on a number of authoritative databases, mostly public and continually enriched via peer scientific contributions. Given the dynamic nature of data and their ...

Biosignals recorded using personal health devices and stored in General Data Format (GDF) are vulnerable when the data is transferred, processed and stored to the external servers. The aforementioned vulnerabilities influence ...

eHealth is an interdisciplinary research area that fosters application of informatics and communication technologies for the improvement of healthcare delivery. In this paper, we present an overall analysis of eHealth ...

The assessment of risk in medicine is a crucial task, and depends on scientific knowledge derived by systematic clinical studies on factors affecting health, as well as on particular knowledge about the current status of ...

Personal e-health systems are the next generation of e-health applications and their goal is to assist patientsin managing their disease and to help both patients and healthy people maintain behaviours that ...