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Name ambiguity arises when one retrieves publications written by distinct author entities who share the same name. During the past decades, a myriad of supervised and unsupervised methods have been proposed to resolve the ambiguity of author names and boost retrieval performance for digital libraries and other similar websites such as Citeseer1 and WanFang2. However, most of them either need large...
In this study we analyzed a series of LiDAR point clouds acquired over Taijiang district (part of Fujian province, China). The objective was to detect and extract water surface area from individual LiDAR point cloud, in a parallel means. To this end, interactive visualization of fine-grained data, global cluster algorithms, and statistical investigation were applied. We first rasterized point clouds...
This paper focuses on the research of image segmentation accuracy problem because traditional Sobel operator image segmentation is easy to cause the vagueness of image segmentation, contrast is not apparent, segmentation accuracy is low. Directed against these defects, this paper puts forward an improved Sobel operator 2-d maximum entropy digital image segmentation method. This algorithm firstly carries...
A lot of existing algorithms used for mining association rules identify frequent itemsets by the method of bottom-up combination of smaller frequent itemsets or top-down decomposing of larger infrequent itemsets, these methods result the large volumes of candidate itemsets. Actually as the supersets of infrequent items are infrequent itemsets, this paper presents a new efficient method, namely pruning-classification...
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