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In order to discover overlapping community structure of social networks more effectively, this paper proposes an algorithm of overlapping community detection based on peak density. The algorithm firstly calculates the matrixes of network topology information distance, and then calculates the local density for each node within a given radius. And then cluster centers are those points which have high...
Server farms are playing an important role in large-scale computing infrastructure today. However, the increasing energy consumption of server farms makes them expensive to operate. There are many technologies aiming at reducing the power consumption of server farms, for example, dynamic server speed scaling is an effective way to make the energy consumption proportional to the work load. But most...
Social network systems (SNSs) such as Facebook and Twitter have recently attracted millions of users by providing social network based services to support easy message posting, information sharing and inter-friend communication. With the rapid growth of social networks, users of SNSs may easily get overwhelmed by the excessive volume of information feeds and felt challenging to digest and find truly...
The problem of real-time path planning in actual environments is challenging. This paper presents a realtime planning algorithm using image processing techniques for navigating a Aerial robot in known irregular environments. It includes two steps. The proposed strategy, based on the generation of a novel search space, finds a suboptimal rough path as an initial condition by constructing and searching...
Based on generalized least variance and optimal prediction theory, a novel adaptive vibration control algorithm with neural network compensation is developed to restrain periodical micro-vibration in three dimension (3D) scanning system. In this way, the controller can deal with nonlinear plants, which exhibit features such as uncertainties, nonminimum phase behaviour, coupling effects and delete...
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