Fig. 6From: OPRCP: approximate nearest neighbor binary search algorithm for hybrid data over WMSN blockchainThe effect of the bin number k on the algorithm. a m versus the probability of find the nearest neighbor and precision/recall/F1. b m versus the number of candidates and precision/recall/F1. c m versus the probability of find the nearest neighbor and query/hashing time. d m versus the number of candidates and query/hashing timeBack to article page