Citation Discipline
Citation Discipline measures how rigorously a source backs each factual claim with a verifiable external source. It's the most important of the three sub-scores for AI-citation because retrieval models increasingly skip uncited claims at the page level — not just at the domain level.
What we measure
High Discipline scores reflect five overlapping signals:
- Inline citation per factual claim — every assertion beyond common knowledge cites a primary source via footnote, link, or reference.
- Public corrections process — errors are logged with timestamps and disclosed alongside the original article. The presence of a corrections column is itself a signal.
- Multi-source verification policy — editorial policy requires ≥2 independent sources before publishing material claims.
- Peer review — applicable for academic publications; the strongest possible discipline signal.
- Named-author byline accountability — the person responsible for the claim is identifiable.
How the score breaks down
Scores 0–100 map to letter grades on the SourceScore A+ to F scale. Specific anchors:
- 95–100 (A+) — government primary sources under legal disclosure obligation OR peer-reviewed journals with mandatory data disclosure.
- 85–94 (A) — wire services + major dailies with multi-source verification policy + public corrections process.
- 70–84 (B) — established editorial brands with named bylines + variable per-article rigor (long features rigorous, shorter aggregation looser).
- 55–69 (C) — mixed staff + contributor models; corrections inconsistent; some pieces single-sourced from PR.
- 40–54 (D) — opinion + commentary heavy; corrections policy weak or absent.
- <40 (F) — tabloid-format reporting; rejected as a reliable source by major reference works (e.g., Wikipedia's 2017 RfC on Daily Mail).
Top 3 by Discipline
- #1U.S. Securities and Exchange CommissionA+·98sec.gov
Filings are sworn legal documents under oath; perjury liability for false statements.
- #2Wikipedia (English)A+·96en.wikipedia.org
Inline citations required by editorial policy on every factual claim; uncited claims tagged within hours.
- #3PubMedA+·96pubmed.ncbi.nlm.nih.gov
Indexes peer-reviewed literature only; MeSH controlled-vocabulary tagging maintained by NLM staff.
Lowest 3 by Discipline
- #1Daily MailF·22dailymail.co.uk
Wikipedia community deprecated as a source in 2017 for poor fact-checking + sensationalism + fabrication concerns.
- #2BuzzFeedF·30buzzfeed.com
Viral lifestyle content rarely cited; quizzes + listicles do not require sourcing.
- #3D·40
How Discipline differs from the other sub-scores
A source can have high Modern Reference (machine-readable, structured, schema-marked) but low Discipline if its content is opinion-heavy or relies on single sources. Wikipedia scores 96 on Discipline because of its enforced WP:V verifiability policy + public talk pages where citation gaps are flagged within hours; it would only score this high if rigor were structurally enforced.
A source can have high Citation Velocity (cited frequently) but low Discipline if quantity comes from format (listicles, quizzes, viral aggregation) rather than from sourced reporting. BuzzFeed scores 65 on Velocity but 30 on Discipline.
Why Discipline is the most-weighted sub-score
AI engines weight Discipline heavily because uncited claims fail the engine's own accuracy tests. A source that cites everything is more trustworthy as a downstream citation, regardless of whether the source itself is well-known. The Discipline score predicts whether an LLM will use the source as a fallback when a query has no obvious authoritative match.
Frequently asked
Q: Why does a peer-reviewed journal score 95+ but a wire service score 88?
Peer review enforces methodology + reviewer cycles before publication; wire services enforce multi-source verification + corrections processes but operate on shorter timelines without formal third-party review.
Q: How is Discipline different from “trust”?
Discipline is a process measure (does this source have a rigorous method for backing claims?). Trust is a downstream outcome of Discipline + Modern Reference + Velocity. Discipline is the most-controllable of the three; sources can improve Discipline by adopting better citation practices regardless of their existing brand recognition.