Abstract:Nearest close friend query (k`NCF) in geo-social networks, aims to find the k
nearest user objects from among the `-hop friends of the query user.
Existing efforts on k`-NCF find the user objects in the Euclidean space. In
this paper, we study the problem of nearest close friend query in
road-social networks.We propose two methods. One is based on Dijkstra
algorithm, and the other is based on IS Label. For the Dijkstra-based
method, Dijkstra algorithm is used to traverse the user objects need… Show more
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