#eigensystem
Live, measured metrics for the hashtag #eigensystem from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #eigensystem
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 15:46 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-28 15:46 UTCNo related tags with measured usage found for #eigensystem.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 15:46 UTCEverything below is measured over the latest 2 public posts (spanning ~3533 hours).
Posting hours (UTC)
Languages: English (2)
Avg boosts / post: 1
Top of the latest posts
Published at #IRRJ: "An Eigensystem for Topic Term Weighting yields Fair and Effective Document Rankings" by Massimo Melucci. #InformationRetrieval, #GroupFairness, #ProbabilityRankingPrinciple, #Eigensystem https://doi.org/10.54195/irrj.23
... that's nothing new. the point was to address a related question: suppose that the eigensystem {v_i, λ_i}, i = 1, ..., n of a full-rank, well-conditioned n-by-n square matrix A is known, and then you are given a related matrix B = A + E,
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/eigensystem