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A Hierarchical Optimizer for Recommendation System Based on Shortest Path Algorithm (1911.08994v1)

Published 7 Nov 2019 in cs.SI and cs.IR

Abstract: Top-k Nearest Geosocial Keyword (T-kNGK) query on geosocial network is defined to give users k recommendations based on some keywords and designated spatial range, and can be realized by shortest path algorithms. However, shortest path algorithm cannot provide convincing recommendations, so we design a hierarchical optimizer consisting of classifiers and a constant optimizer to optimize the result by some features of the service providers.

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