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concept:second-moments

Second moments

Statistical moments capturing pairwise feature co-occurrence patterns; the core insight is that second moments preserve structure that first moments destroy.

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Papers (1)

paper

Concepts (2)

concept
  • Geometry of features
    associated_with
    Research thread within About Blank concerning the structure and relational properties of neural network feature representations; covariance pooling tangentially supports this thread.
  • Feature co-occurrence
    associated_with
    Patterns of which features activate together across tokens; preserved by covariance pooling but lost in mean pooling.

Related by similarity (8)

cosine ≥ 0.65 · no typed edge

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.