gCube Information Retrieval Engine differentiates from federated search. Data and services are scattered over the infrastructure instead of being contained in confined sub-sections, made accessible via narrow interfaces. Grid, where gCube runs, is not meant for interactive work, but offers a vast pool of resources for processing large amounts of information. In such domain it comes as natural c...

Intergeo is a European project dedicated to the sharing of interactive geometry constructions. This project is setting up an annotation and search web platform which will offer and provide access to thousands of interactive geometry constructions and resources using them. The search platform should cross the boundaries of the curriculum standards of Europe. A topics and competency based approac...

The management of the operations acting over distributed and virtual resources plays an important role for achieving the success of modern distributed applications. In this paper, we advocate a notion of resources as entities with their own local policies and containing their global interactive properties. We introduce a variant of π-calculus with primitives to declare, acquire and release reso...

The management of the operations acting over distributed and virtual resources plays an important role for achieving the success of modern distributed applications. In this paper, we advocate a notion of resources as entities with their own local policies and containing their global interactive properties. We introduce a variant of π-calculus with primitives to declare, acquire and release reso...

Interactive Computational Steering is the online, interactive allocation and adjustment of system resources and application parameters. Causal consistency is an important feature of interactive steering of distributed computations, as it is often required to maintain the correctness of the computation. However, due to the asynchronous nature of distributed computations, it is difficult to coord...

Low-fidelity paper prototyping is a well-known and effective technique for expressing, communicating, and evaluating design ideas for interactive systems [8]. This technique enables and encourages rapid iteration on a design, which can lead to significant usability improvements with minimal investment of time and resources. In our work, we have sought to bring the benefits of paper prototyping ...

This paper examines a steerable projection system, the everywhere displays projector (ED-projector), which transforms surfaces into interactive displays. In an ED-projector, the display image is directed onto a surface by a rotating mirror. Oblique projection distortion is removed by a computer-graphics reverse-distortion process and user interaction (pointing and clicking) is achieved by detec...

Proficient utilization of network resources in disseminating knowledge based information in on-line and off-line environment formulates a concrete platform of collaborative learning sequences. Standardizing course curricula by panel of experts and implementing the learning techniques in distributed networking aspects optimizes the resource management. This form of virtual learning systems has a...

Despite increasing evidence suggesting interactive effects of emotion and attention on perceptual processing, it still remains unclear how their interplay influences affective learning, such as fear conditioning. In the present study, a conditioning procedure using threat-related conditioned stimuli (CSs) was implemented while executive load and attentional focus were manipulated. The modulatio...

Although cloud computing has increased in popularity, datacenter utilization has remained for the most part low. This is in part due to the interference that comes as a result of applications sharing hardware and software resources. When interference occurs, the resources of at least one co-scheduled application need to be reduced forcing it to take a performance penalty. In current proposals, ...