Sources at DOI (CrossRef Resolver)'s tier
The 5 sources closest to DOI (CrossRef Resolver) (A+ · 95) by composite SourceScore Index, across all categories. Use this view to discover at-tier peers regardless of vertical.
The 5 closest peers
- 1A+·95
U.S. central bank; primary source for monetary policy + economic data + financial-system statistics.
Discipline A+ · 96(+4)Modern Reference A · 94(-4)Velocity A+ · 95 - 2A+·95
U.S. federal medical research agency operating PubMed, NCBI, MedlinePlus, and trial registries.
Discipline A+ · 95(+3)Modern Reference A · 94(-4)Velocity A+ · 96(+1) - 3A+·96
Primary-source regulator publishing every public-company filing (13F, 10-K, 8-K, etc.) since 1934.
Discipline A+ · 98(+6)Modern Reference A+ · 95(-3)Velocity A+ · 95 - 4A·94
U.S. National Library of Medicine literature index covering ~36M biomedical citations.
Discipline A+ · 96(+4)Modern Reference A · 92(-6)Velocity A · 94(-1) - 5A·94
Federal statistical agency for U.S. labor + price data; CPI, employment, unemployment, productivity.
Discipline A+ · 95(+3)Modern Reference A · 93(-5)Velocity A · 94(-1)
How we picked these peers
Peers are the 5 sources with the smallest absolute distance to DOI (CrossRef Resolver) on the composite SourceScore Index, across all academic and non-academic sources. Distance is computed as |peer Index − DOI (CrossRef Resolver) Index|. Ties are broken by higher Index first, then alphabetical by name.
Distinct from DOI (CrossRef Resolver)'s curated comparator hub, which lists hand-selected head-to-head pairs. Peers is auto-computed from the score data — every source has one, and it surfaces neighbors regardless of editorial selection.