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If the distance d is smaller, the cluster centers are more close to the elderly so that the end point of the shortest path is more close to the elderly.
If the end point of the shortest path is closer to the elderly, it is most likely to be adopted by the elderly to reach the activity venue.
Since the number of clusters containing high-care needs elderly have to participate in the shortest path tree construction. The larger value means we need more calculate times.
From the figures, we could find that when n is equal to 100, the distance between the cluster center and the location of the elderly is short enough. It also doesnĄ¯t take so much time to perform clustering and shortest path trees.
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IEEE/ICACT20230036 Slide.15
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