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Clustering techniques that group samples based on their attribute similarity have been widely used in many fields such as pattern recognition, feature extraction and malicious behavior characterization. Due to its importance, various clustering techniques have been developed with distributed frameworks such as K-means with Hadoop in Apache Mahout for scalable computation. While K-means requires the...
Along with the clipping evolution of technology, the bud of smartphone has germinated and sprang up in this decade. The increasing popularity and the improving computation and communication power of smart mobile devices facilitates shared economics of ubiquitous mobile computation. We present the design and implementation of Gnafuy, a framework utilizing crowd-smartphones to fulfill ubiquitous distributed...
Outsourcing data and computation to the cloud is increasingly common. However, the data to be outsourced is often privacy-sensitive (e.g., geospatial data, social network data, and Internet network traffic data) and thus it is typically outsourced after being properly encrypted. Graph is one of the most common ways to model and represent the data in many applications, including geospatial data in...
This paper deals with the computation of high-frequency fields which penetrate into two different cabinets with two different air-flow hole shapes. The software used for the simulations is Efield® and the two different methods FDTD (Finite Difference Time Domain) and MLFMM (Multi Level Fast Multipole Method) have been employed to calculate the fields in two different manners; the first method computes...
Synthesizing maximally permissive controllers with fewest monitors has been a popular research topic. Current optimal controllers for large flexible manufacturing systems (FMS) require costly time consuming reachability analysis. Our previous work shows that among all n-dependent siphons, only one siphon (whose unmarked state follows specific token distribution) needs to be controlled. This greatly...
This paper presents a method to integrate the free vibration theory and the computer graphical technique for displaying the mode shapes of a three-dimensional framework, so that one may see the real-time animation of the structural mode shapes on the computer screen. Because the graphical parameters, such as view angle, position of the projection plane, …, etc., cannot be changed arbitrarily (at any...
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