A phrase is not a pedigree — 'weighted (majority) voting' names several unrelated machines, and the real lineages run somewhere else

voting-theorymachine-learning-theorymultiple-discoverycitation-practicecrowdsourcinghistory-of-computer-sciencehistory-of-statisticssource-evaluationRAG

The recurring argument in this cluster is not "here are the things called weighted majority voting." It is that a shared name is not a shared ancestor: the phrase "weighted (majority) voting" has been reached for independently by fields solving genuinely different problems, so the name carries no information about lineage — and when you actually trace the citations, the two come apart in both directions. Where a reader would expect an ancestor there is none (Condorcet's 1785 theorem is echoed for 240 years and cited by none of its apparent heirs; a 2025 LLM system reuses the exact phrase while citing neither Condorcet nor the 1989 algorithm of the same name). Where a real lineage does exist, it is explicitly cited and runs through a place nobody guessing from the phrase would look: a 1979 clinical-medicine paper about five anaesthetists.

This map is titled for that contrast — nominal kinship vs genealogical kinship — not for the phrase, which is the distinction that matters. An MOC named "weighted majority voting" would repeat the 2026-07-25 anti-pattern (naming a map for its most-recurring string), and the 2026-08-10 pass correctly declined exactly that. The 2026-08-13 promotions added the missing positive pole — a traceable citation chain to contrast against the phrase-reuse — and the 2026-08-13 warden asked the next pass to read all the notes and rule fresh. On a full read, the contrast is a single argument, and it is the mirror image of the vault's two-axis convergence cluster: there, independently-derived structures share a shape with no ancestor; here, structures share a name with no ancestor, while the real ancestor hides under a different keyword.

The name, and the unrelated machines it names

Nominal kinship. Four uses of "weighted voting" / "weighted majority," each a different mathematical object, with no citation trail found among them.

• claim-condorcet-1785-jury-theorem-requires-independent-voters — the accuracy-theoretic use. A probabilistic theorem: independent voters each better than chance make the majority's accuracy rise with group size. Its load-bearing premise is voter independence — which the theorem requires and cannot guarantee. Cited by none of the modern "weighted majority voting" schemes the vault has read.
• claim-littlestone-warmuth-1989-weighted-majority-algorithm — the adversarial-online use. A worst-case mistake-bound procedure with multiplicative weight updates and zero probabilistic assumptions — the same three words as Condorcet, a different object entirely: no shared proof technique, no shared problem, no citation link.
• observation-weighted-voting-power-gap-recurs-across-cs-law-regulation — the power and consistency uses, gathered: Banzhaf's 1968 voting-power index (weight ≠ power) and Gifford's 1979 quorum protocol (weighted votes for replica consistency, not correctness). The observation calls its own tri-fold "a terminological and structural echo, not a true convergence" — the notes insist on their own disunity, which is the point.

Where the real lineage actually runs

Genealogical kinship. A cited, traceable chain — and it does not pass through any of the machines above. It runs clinical medicine (1979) → crowdsourcing (2014) → LLM retrieval (2025), plus a second clean inheritance in learning theory.

• claim-dawid-skene-1979-worked-example-is-anaesthetist-fitness-ratings — the root, read directly and Tier 1: not a voting-theory or ML paper at all, but a clinical study of five anaesthetists rating 45 patients' fitness for surgery, reconciled by EM. Filed under the keyword "MEDICAL EXAMPLE" — the last place a reader chasing an AI paper trail would search.
• claim-dawid-skene-1979-proposes-but-never-implements-weighted-consensus — the honest tempering: Dawid & Skene propose a performance-weighted consensus in their introduction (item iii) but then build and test a different apparatus (latent-class EM). "Proposed the idea" and "built the idea" are two claims; only the first is true of the 1979 paper.
• claim-dawid-skene-1979-proposed-reliability-weighted-observer-voting-unverified — the single most interesting sentence in the chain (each observer weighted "by his previous performance" — RA-RAG's mechanism, 46 years early) and the one the vault will not hand over clean: OCR mangles the phrase, the discharge is escalated to Cali, not applied, over a live draft. Carried as a flagged lead, not laundered.
• claim-li-yu-2014-credits-dawid-skene-1979-as-wmv-ancestor — the load-bearing citation, in the heirs' own words: Li & Yu (2014) name Dawid & Skene as "the first improvement over majority voting." A year attached, a name attached — this sentence is what makes the whole thing lineage rather than parallel invention.
• claim-ra-rag-cites-no-prior-weighted-majority-literature — the hinge. RA-RAG (2025) cites neither Condorcet nor Littlestone & Warmuth — the two ancestors its phrase would suggest — yet does explicitly extend Li & Yu (2014). Silent on the apparent family, explicit on the real one: the dissociation in a single paper.
• claim-adaboost-adapted-littlestone-warmuth-weight-update-rule — the model citizen. Freund & Schapire's AdaBoost names its debt in print ("the multiplicative weight-update rule of Littlestone and Warmuth [10] can be adapted…") and won the 2003 Gödel Prize. A named debt and a technique carried forward — citation behaving the way it is supposed to, next to RA-RAG's silence and Condorcet's uncredited echo.
• observation-rag-wmv-traces-real-citation-lineage-to-1979-clinical-medicine — the synthesis note that states the positive pole: RA-RAG's WMV is "a real, citation-traceable 46-year lineage… not another independent convergence."

The precondition both poles quietly assume

Independence — Condorcet's premise — is the thread the accuracy pole rests on and the real-lineage pole inherits. Cross-linked, because its home is broader than this map.

• claim-lefort-2024-llm-ensembling-marginal-gains-non-independent-errors — the premise tested and found missing: LLM ensembles share errors, so the Condorcet independence assumption that would make "weighted majority" work does not hold for the modern systems reusing the phrase.
• claim-sanhedrin-unanimous-guilty-verdict-acquits-the-defendant and observation-suspicious-perfection-independence-absence-signals-defect — the mirror: total agreement is treated as evidence independence broke down, not as confidence.

Cross-linked, not folded — the two-axis source-evaluation cluster

The 2026-08-10 pass correctly noted that several notes swept into early versions of this flag belong to a different map. Kept here as a cross-link so the join is visible and the scope stays honest, not merged.

• moc-two-axes-that-wont-stay-independent — home of claim-reliability-aware-rag-estimates-source-reliability-separately-from-relevance, the intelligence-doctrine convergence observation, and claim-kelly-2025-odni-probability-confidence-guidance-incoherent. Those are about separating reliability from relevance/credibility, not about the phrase-vs-lineage question this map makes. RA-RAG appears in both because it is where the two threads happen to touch — a shared node, not a shared argument.

Entity hubs

Built and backfilled around this cluster in the promotions that raised it; listed, not built by this pass.

• entity-marquis-de-condorcet · entity-nick-littlestone · entity-manfred-warmuth · entity-yoav-freund · entity-robert-schapire
• entity-a-philip-dawid · entity-allan-m-skene · entity-dawid-skene-model (the confusion-matrix/EM model itself) · entity-hongwei-li · entity-bin-yu · entity-dempster-laird-rubin-em-algorithm

Open threads (honest caveats, not hidden)

• The map's most striking single sentence is under escalation, not settled. The Dawid & Skene "weighted by his previous performance" line — the one that would upgrade the chain from "originated the estimation method" to "originated the weighting idea" — is quote-flagged and escalated to Cali over a live draft (question-verify-dawid-skene-1979-reliability-weighted-voting-quote). Two independent re-fetches now ground the clause, but no pass has authority to discharge it here. The map's spine does not rest on that sentence: it rests on Li & Yu's explicit citation, which is clean.
• The unity is a contrast, not a shared mathematics. This map does not claim the four "weighted voting" machines are secretly one thing — the member notes insist the opposite ("convergent vocabulary, not convergent mathematics"). The argument is precisely that the name misleads. A reader should not leave with "so they're all related"; they should leave with "the name told you nothing; the citations told you everything."
• Silence-claims are only as strong as the read behind them. "RA-RAG cites neither Condorcet nor Littlestone & Warmuth" rests on a reference-list read (twice performed, once corrected — the first read missed Li & Yu). A citation audit is structurally weakest at exactly the negative it is asserting; carried with that caveat, not as certainty.