The link between information privacy concerns and privacy behaviours has been a focus of
extensive investigation in various disciplines. However, little attention has been devoted to …

This paper investigates privacy concerns in smart tourism, in which personal data fuels
systems and services developed to enhance tourists' experiences. A mixed-methods …

In recent years, Recommendation Systems (RSs) have gained popularity in different
scientific fields through the creation of (mostly mobile) applications that deliver personalized …

Abstract A Mobile Recommender System (MRS) is a system that provides personalized
recommendations for mobile users. It solves the problem of information overload in a mobile …

Recommending venues or points-of-interest (POIs) is a hot topic in recent years, especially
for tourism applications and mobile users. We propose and evaluate several suggestion …

Travel products recommendation has become one of emerging issues in the realm of
recommendation systems. The widely-used collaborative filtering algorithms are usually …

Question and Answer (Q&A) systems play a vital role in our daily life for information and
knowledge sharing. Users post questions and pick questions to answer in the system. Due …

Personal e-health systems are the next generation of e-health applications and their goal is
to assist patients in managing their disease and to help both patients and healthy people …

With the rising demand for personal information, touristic websites and service providers
collect and increasingly depend on the willingness of tourists' private data disclosure. While …

We present the work of the Democritus University of Thrace (DUTH) team in TREC's 2016
Contextual Suggestion Track. The goal of the Contextual Suggestion Track is to build a …