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Similarity joins play an important role in many application areas, such as data integration and cleaning, record linkage, and pattern recognition. In this paper, we study efficient algorithms for similarity joins with an edit distance constraint. Currently, the most prevalent approach is based on extracting overlapping grams from strings and considering only strings that share a certain number of...
After characteristic analyzing of materiel development project technical capabilities, this paper defines a quantitative technical risk assessment method based on grey relevancy degree. Firstly, a set of technical capability character parameters of materiel development project and their values are retrieved by technical capability characters analyzing. Then, by task targets breaking down, every sub-task...
Minimum spanning tree is a classical problem in graph theory that plays a key role in a broad domain of applications.This paper proposes a minimum spanning tree algorithm using Prim's approach on Nvidia GPU under CUDA architecture. By using new developed GPU-based Min-Reduction data parallel primitive in the key step of the algorithm, higher efficiency is achieved. Experimental results show that we...
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