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The top 10 neighbors of U.S. Senate Floor span five distinct subcategories — Government, TV Channels, Political Groups, News Publishers, and Education — with no single type dominating, a pattern consistent with the broad shape classification.
Similarity here measures how closely two entities' audiences resemble each other in composition. U.S. House Floor leads at 0.95, the strongest signal in the set and the only other Government entity in the top 10 alongside Library of Congress at 0.90. C-SPAN follows at 0.92, the sole TV Channel in the group. The next tier is dominated by political and media infrastructure: Senate Democrats at 0.91 and DCCC at 0.90 represent Political Groups, while The Hill at 0.90, NBC Politics at 0.90, and Post Politics at 0.90 anchor a cluster of News Publishers. The Democrats (0.89, Political Groups) and State of the Union (0.89, TV Shows) round out the ten. Notably, no individual Politicians or Journalists appear in the top 10 — those subcategories emerge only further down the neighbor list.
The cross-kind spread here is the defining structural feature: the Senate Floor's audience shape is shared not just by legislative and governmental entities but equally by political news outlets and partisan organizations, suggesting an audience that moves fluidly across institutional, media, and advocacy channels within the same political ecosystem.
