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node2vec: Scalable Feature Learning for Networks

node2vec : Scalable Feature Learning for NetworksAditya GroverStanford LeskovecStanford tasks over nodes and edges in Networks require carefuleffort in engineering features used by Learning algorithms. Recentresearch in the broader field of representation Learning has led tosignificant progress in automating prediction by Learning the fea-tures themselves. However, present Feature Learning approachesare not expressive enough to capture the diversity of connectivitypatterns observed in we proposenode2vec, an algorithmic framework for learn-ing continuous Feature representations for nodes in Networks . Innode2vec, we learn a mapping of nodes to a low-dimensional spaceof features that maximizes the likelihood of preserving networkneighborhoods of nodes.

feature learning in networks that efficiently optimizes a novel network-aware, neighborhood preserving objective using SGD. 2.We show how node2vec is in accordance with established u s 3 s 2 s 1 s 4 s 8 s 9 s 6 s 7 s 5 BFS DFS Figure 1: BFS and …

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