Exact(4)
By contrast, KNN-Descent first computes an undirected graph from its current KNN estimation, and then uses a local join operation on a node's neighbors, for each node in this graph.
This is done by only comparing two vertices in a local join operations if at least one of them has been updated (this is indicated by a specific flag).
A first optimization uses what the authors have termed a local join: given a vertex v and its neighbors N v, KNN-Descent computes the similarity between each pair p,q such that p∈N v, and q∈N v.
The resulting undirected graph can then be exploited to realize a local join by looping through a node's neighbors in pairs: for instance, in the case of A's neighbors, KNN-Descent will consider whether A 1 might become one of A 2's neighbors, and reciprocally (double dashed arrow), and then loop over the pairs (A 1,A 3) and (A 2,A 3).
Similar(56)
Given the short supply of street signs here, a local joins us to ensure we don't get lost.
Get a license from a local college, join a public school, and teach several groups of kids a day for the next several decades.
Join a local gym or join a group.
The threatened closures across the Tory-controlled county have prompted a local campaign joined by Gloria de Piero, Labour's shadow equalities minister.
A local mum joined the conversation.
There, relocators have a relatively easy time befriending locals, joining a local community group and learning the local language.
Find a local class to join.
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