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Given a dataset comprising a temporal sequence of communications between actors, how can we visualize the `flow' of communication over time? Current practice transforms the dataset into a dynamic graph - vertices represent the actors and directed edges represent the communications. The directed edges are added and removed over time. There are then several approaches to visualizing dynamic graphs that...
Online interaction was critical in underpinning the learning process in E-learning, and a framework for resource-oriented interactive learning, aiming to promote deep interaction among learners, resources and resource creators was proposed in this paper. Specifically, much research has been done to realize the interaction between learners and resources, recombination of resources and their presentation...
A new method of B-Rep model partial matching based on topoisomerase is proposed. By extracting B-Rep information of the model, the CAD models are represented by the AAG (attribute adjacent graph). Next, the CAD models are expressed as the same topology by Euler operation. Finally, the sub-graph isomorphism approach is used to achieve the partial matching. Experimental results show that this method...
The vast majority of existing route selection processes is designed for vehicle navigation. In this paper we describe an adapted routing algorithm for visually impaired pedestrians based on users needs. Our aim was to find the most adapted route that connects origin and destination points, and which can provide the Blind with a sparse but helpful mental representation of the itinerary and surroundings...
The augmented k-ary n-cube AQn,k is a recently proposed interconnection network that incorporates an extension of a k-ary n-cube Qnk inspired by the extension of a hypercube Qn to the augmented hypercube AQn (as developed by Choudom and Sunita). We extend a recent topological investigation of augmented k-ary n-cubes by proving that any augmented k-ary n-cube AQn,k is edge-pancyclic and that AQ2,k...
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