Large-scale graphic constraint linkage path searching algorithm in high-dimensional vector space
A vector space and connection path technology, applied in the field of big data, can solve problems such as high computing costs, achieve the effects of reducing computational complexity, reducing text copy costs and path calculation costs, and quickly answering and responding
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[0043] The steps of the present invention are as follows:
[0044] Step 1 projection deletion.
[0045] Step 1-1 Select the dimensions of the projection
[0046] The determination of node projection adopts probability selection, divides the vector space into several cells, randomly selects n nodes in the entire vector space, and randomly selects a candidate node in the adjacent cell where the node is located, and calculates the n The projected distance from n nodes to candidate nodes is determined by the dimension with the largest distance value, and the dimension with the largest distance value from the n nodes is naturally summarized, and finally the dimension with the most occurrences is selected as the selected dimension.
[0047] Step 1-2 Delete and select nodes
[0048] In the high-dimensional data space, randomly select k nodes to project onto the dimension selected in step 1-1, such as figure 2 As shown, the projection distance of the point on the D2 dimension has ...
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