2015 6th International Conference on Information, Intelligence, Systems and Applications (IISA)

This paper focuses on preserving the privacy of sensitive patterns in the context of inducing decision trees. The subject at hand is approached through a record augmentation approach for hiding sensitive classification rules in binary datasets. Such a hiding methodology is preferred over other heuristic solutions like output perturbation or cryptographic techniques - that restrict the usability of... View full abstract»

Microarray is one of the technologies used in the interdisciplinary science of Biolnformatics. Its primary objective is to discover biological knowledge among genes through their expressions. Gene expressions usually come in large and multidimensional data which makes computational and statistical analyses necessary. Clustering of microarray data is one of these. Grouping similar genes together un... View full abstract»

Lung cancer is one of the deadliest types of cancer around the world. Epidemiologic studies have shown that genetic variability is among the factors that affect a person's susceptibility to lung cancer. A recent study conducted by a team of researchers from the United States National Cancer Institute among 14,000 Asian women found out that Asian women, whether smokers or not, are more prone to dev... View full abstract»

The rapidly growth of mobile computing in combination with the advances of the internet has changed the computing world in a drastic way. It has traveled from the concept of parallel computing to distributed computing to grid computing and recently to cloud computing. Cloud computing is the computing that provides IT resources like services and applications with the use of Internet. Access to thes... View full abstract»

In recent years, the European Union (EU) has developed a shared European vision of sustainable urban development. Towards this direction, holistic solutions and advanced energy management services are necessary, addressed to any local authority that has as purpose to implement sustainable energy action plans. In this context, the aim of this paper is to present an advanced Information and Communic... View full abstract»

This paper presents our findings on factors that affect seeking and selecting of location-related content in an urban computing application hosted on an array of city-dispensed public interactive displays. Earlier researchers have pointed out discrepancies between self-proclaimed information needs and actual seeking behaviours, we present here empirical results that delineate a number of factors t... View full abstract»

There are two main ways to manage projects in business: The traditional and the agile. While the first has been historically the main Project Management methodology for businesses, the latter is gaining more support for projects involving Information Systems (IS) due to its fitting with the unpredictable nature of IS changes. To assess outcomes of projects, businesses have been using rational, nar... View full abstract»

End-to-End (E2E) differentiated services refer to content and application services delivered over Internet with differentiated grade of quality of service (QoS) involving multiple network and ecosystem actors. Such services represent a prospective way to assure QoS required by demanding customers, who cannot be satisfied with QoS delivered by the usual best effort Internet connectivity. This paper... View full abstract»

A prototype of sailboat routing system for least-time navigation is presented. The routing algorithm is based on an exact graph-search method, not requiring subjective optimization parameters. The temporal variation of wind fields during the sailing time is accounted for. The system also considers topological constraints such as coastline and shallow waters. The sailboat is modelled in terms of it... View full abstract»

This article is based on authors' experience of using digital games for creative teaching and learning. Firstly the meaning of "digital pedagogy" and its relation with creative digital learning is discussed. Then several applications of using game-based learning techniques for improving creative digital learning are presented. Practical solutions for problems of creative learning and creative teac... View full abstract»

Currently, several studies are making use of multimedia systems, and Virtual Reality (VR) technology has been applied to people with special needs. However, its main limitations are the need for qualified human resources and the high costs. On the other hand, Augmented Reality (AR) technology has been increasing and it has become more and more popular because of its specificities. However, most st... View full abstract»

Most currently available 3DTV displays use either shutter glasses or polarized glasses. Each display type has distinct advantages and disadvantages. 3D display monitors with polarized glasses provide a comfortable viewing experience, but can suffer from vertical resolution loss. On the other hand, since 3D UHD display monitors are now widely available, it is possible to offer full HD 3D programs w... View full abstract»

Currently, most OTT service providers check the available bandwidth and transmit video bit-streams at the maximum possible bit rate. However, depending on the size and resolution of the display, perceptual quality may not be improved, even though the service provider transmits high resolution video data at high bit-rates. We performed a number of subjective tests using various display terminals. I... View full abstract»

In this paper modern approaches to learning process modeling are observed. A lattice-based learning course model which reflects the essential knowledge space features is described. The calculation of learning process as the knowledge space mastering is built. An interpretation of learning process as a wave-like process is shown. A learning management system based on suggested model is presented. I... View full abstract»

This paper presents the design and implementation of a eLearning system which supports personalized and adaptive eLearning. The courses and services are especially designed so as to be accessible through mobile networks and devices. The training modules are aiming mainly in Life-Long Learning through cultural education. View full abstract»

Users of large scale cultural heritage virtual environments are exposed to information overload due to the plethora of represented entities of interest and the amount of the relevant information. Additional to the previous, users are exposed to route planning problems in which time should be considered as an important constraint. In this paper, the aim is to deal with these issues by providing use... View full abstract»

This paper describes unobtrusive method for user confusion detection by monitoring mouse movements. A special computer game was designed to collect mouse logs. Think-aloud protocol was used in order to identify the states of confusion. Features extracted from mouse movement's logs were used in training dataset. Support Vector Machines, Logistic Regression, C4.5 and Random Forest were used to build... View full abstract»

The high bandwidth and low delay requirements of Networked Music Performance (NMP) often lead to doubts about its feasibility in wide area networks. Multipath routing with Quality of Service (QoS) constraints is one way to meet these requirements, as it offers bandwidth aggregation while keeping latency low. However, IP does not natively support multipath QoS routing, requiring complicated extensi... View full abstract»

Sustainable development is a key tool for the management of areas with natural and cultural wealth. Particularly in protected areas, the sustainable use of natural resources enables the rational use of environmental resources and environmental awareness, both for the protection from increased tourism and for mild development of downgraded areas. Land planning in such areas is a tool for controllin... View full abstract»

In this paper we present a novel architecture for streamlining human expert management for a multi agent system deployed at the grid with the objective of investigating social learning. The coupling of the communication services offered by the grid, with an administration layer and conventional web server programming, via a data synchronization utility, leads to the straightforward development of ... View full abstract»

The current study took place at Natura 2000 areas in Ionian Islands, specifically at Zakynthos and Strofades. Both islands have a significant natural and cultural heritage and constitute part of the Natura 2000 Network. Zakynthos is protected for its biodiversity and its landscape and the Strofades islands belong to the National Marine Park of Zakynthos. The forest character of both areas constitu... View full abstract»

This paper describes the design and development of an educational game that is adapted based on the psychophysiological measures of the player. The particular measurements are collected using a bio-feedback device and they consist of skin conductance, skin temperature, and heart rate. The adaptation of the game aims to increase the engagement of the players by making the game more challenging when... View full abstract»

The term intellectual or development disabilities, (IDD) is a broader category of often lifelong disability that can be intellectual, physical, or both. People with such kind of disability have difficulties in carrying out one or more functions in their everyday life. Modern multimedia devices can significantly improve the quality of life of people with IDD and include them into the society. Howev... View full abstract»