With the advent of Web 2.0 and the behavior change which it brought, there are millions of users worldwide contributing to different databases with various forms of data, such as movie ratings, for example. Moreover, the same real-world object (a song, ...

This paper contributes with a knowledge representation model of the human vital sign monitoring activity based on Semantic Web specifications for ontologies and Horn-like rules. The proposed model is founded in interviews with intensive care units ...

In this paper, we propose a technique to automatically describe items based on users' reviews in order to be used by recommender systems. For that, we extract items' features using a robust term extraction method that applies transductive semi-...

Holography is a technique that uses the properties of light as a way of registering and representing three-dimensional scenes and objects. However, holography is not the only technique that makes it possible to visualize in three dimensions. In this ...

A recent kind of Web application incorporates three-dimensional image content, which allows interactivity and new visual experiences to the users. However, rendering 3D video content has been a research challenge due to modeling complexity and visual ...

With the rise of Web 2.0 applications, most people started consuming information and sharing opinions and ideas about most aspects of their lives on a variety of social media platforms, creating massive and continuous streams of valuable data. While ...

The volume of electronic transactions has raised a lot in last years, mainly due to the popularization of e-commerce. We also observe a significant increase in the number of fraud cases, resulting in billions of dollars losses each year worldwide. ...

This paper presents the results obtained from a systematic literature review that aimed at mapping current research studies that use contextual information to improve the TV watching experience or propose some interesting approach using the TV ...

Computer graphics and virtual reality technologies allow audiovisual experiences with high level of realism, as the ones achieved in video games and movies. The synthetization of media with high degree of audiovisual realism demands specialized systems ...

In this paper, we propose a technique that uses multimodal interactions of users to generate a more accurate list of recommendations optimized for the user . Our approach is a response to the actual scenario on the Web which allows users to interact ...