The mobile applications and context-aware or assistive technologies have the potential to improve living conditions in society. Nowadays the applications are of great help when the services or features that these offers are based on the context of the user, in the area of tourism many applications only offer to the people information of the place but it does not encourage the user to go to visit it, neither pro...
Sentiment analysis is a very popular technique for social network analysis. One of the most popular social networks for microblogging that has a great growth is Twitter, which allows people to express their opinions using short, simple sentences. These texts are generated daily, and for this reason it is common for people to want to know which are the trending topics and their drifts. In this paper we propose t...
Nowadays to make the right decision about where and how to request or buy a service, a user is often supported by a mobile device that offers more than simple descriptive data. Nevertheless, not all information on services is fully accessible. The difficulty in keeping track of changes in services’ costs causes delays and can result in waste of time and money. In fact, the decision of which service to use usual...