GraphAcademy

Graph Data Science

harmonic centrality

A closeness variant that scores a nodeA vertex in a graph. In a property graph it can carry labels and properties. by summing the reciprocal of the distance to every other node.

Lessons that use this term

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4 lessons use this term. Results are ordered by term density.

Understand centrality algorithms8 mentions

  • ReachUnderstand centrality algorithmsCentrality and Harmonic Centrality are the two algorithms in this5 mentions
  • Explore the graphUnderstand centrality algorithmsCloseness Centrality Harmonic Centrality1 mention
  • GatekeepingUnderstand centrality algorithmsthe previous lesson Closeness and Harmonic Centrality scored every person by how many steps the rest of the network takes to reach1 mention
  • What is centrality?Understand centrality algorithmsGraph Data Science library provides Closeness Centrality and Harmonic Centrality as members of this1 mention

Related terms

closeness centrality
A centrality algorithm that scores a node by how few hops separate it from every other node in the graph.3 shared lessons
eigenvector centrality
A centrality algorithm that scores a node by the importance of the nodes pointing at it, so a connection to an important node counts for more than one to an unimportant one.2 shared lessons
betweenness centrality
A score for each node equal to how often it lies on the shortest paths between other nodes.3 shared lessons
degree centrality
A score for each node equal to its number of outgoing relationships.3 shared lessons
centrality
How important a node is within a graph. Each centrality algorithm defines importance differently.2 shared lessons
bridge
A relationship whose removal disconnects the graph into two separate parts.2 shared lessons
HITS algorithm
A link analysis algorithm that scores nodes two ways at once — as an authority, endorsed by the nodes pointing at it, and as a hub, endorsing the nodes it points to.2 shared lessons
graph data science
Analysing data through the structure of its connections. Also the name of the Neo4j library that implements it.2 shared lessons

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