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Administration in big cities is strongly promoting electric taxis (ETs) by providing purchasing subsidies, accessorial public facilities and many other encouraging policies. However, how to allocate the limited resources to optimize the benefits brought by ETs remains a headache for most researchers. Applying data mining technology, this research gathers real-time vehicle trajectory data of 39,053...
In the last decades, more and more time series data has been collected in many kinds of fields, and specially in the industry field, which has been increased greatly. One of the most common types of data visualization used is the line chart, but in industry field, time series datasets are so huge that it costs much more time to draw data as a line chart. In this case, we must reduce dimensionality...
This paper proposes a two-layer decision framework to model taxi drivers' customer-search behaviors within urban areas. The first layer models taxi drivers' pickup location choice decisions, and a Huff model is used to describe the attractiveness of pickup locations. Then, a path size logit (PSL) model is used in the second layer to analyze route choice behaviors considering information such as path...
A friction modeling in zigzag and armchair lattice orientation of MoS2 has been demonstrated in this paper. Combing the assumption on the moving trajectories of the probe in both lattice orientations with two-dimension Tomlinson model, simulation of relationship between friction and orientation was smoothly performed with Matlab software. The lateral friction Microscopy(LFM) based experiment was conducted...
As most Web services are delivered by third parties over unreliable Internet and are late bound at run-time, it is reasonable and useful to evaluate and predict the trustworthiness of Web services. In this paper, we propose a novel approach to evaluate and predict Web services trustworthiness using comprehensive trustworthy evidences collected from the Internet. First, we use an effective way to collect...
As concerning the problems of intelligent construction existed in the decision support system (DSS) model, one construction plan and one system structure of intelligent construction of DSS model based on integration of neural network (NN) and expert system (ES) are presented. On the basis of separating the literal description and the data description, ES was applied to select the model type. On the...
Three-dimensional geological model can describe the types of geological information, and express a variety of topological relations among geological phenomena. Kriging interpolation is an important spatial interpolation method of geological modeling, but every grid point needs to compute augmented matrix and solve equations. With the modeling scale and bore data quantity increasing rapidly, we propose...
Autonomous underwater vehicle (AUV) forms part of a huge group of undersea systems and plays a significant role for both commercial and military applications. Many different kinds of AUVs have been designed in recent years around the world. Sensors should be installed to navigate autonomously and map characters of the ocean for AUV. In this paper, we address the problem of orientation in the process...
In this paper we present a novel silhouette-based method to estimate 2D human pose. It takes a pre-defined human skeleton model as the prior information and a video sequence as the data source, and estimates human pose in each frame by the following steps: Firstly, the Gaussian Mixture Background Model (GMM) is adopted to extract silhouette from an image and this silhouette will be the human body...
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