OpenAlex-indexed AI research activity
Ranks a reviewed institution universe using trailing-365-day OpenAlex AI work and current citation signals.
- Version
- 1
- Published
- Jul 27, 2026
- Live boards
- 1
- Method ID
- openalex-ai-research-activity
Where the facts come from
See the associated board evidence.
How the order is produced
The board publishes its primary raw measure without an undisclosed transformation.
When the method reruns
- daily
Boards using this version
Only live, quality-gated boards appear. Each board opens on the exact published table and evidence path.
| Board | Primary measure | Rows | Confidence | Freshness | Board version | Cadence | Evidence |
|---|---|---|---|---|---|---|---|
| AI Research Activityai-research | openalex-ai-research-activity-score | 10 | 100% | current | 1 | daily | Open board → |
Complete measurement ledger
These fields are stored with the methodology version. A changed contract must publish a new version before comparable movement can resume.
Score
- Range
- 0
- 100
- Formula
weighted mean of cohort-relative log1p min-max normalized signals
- Weights
- Openalex Ai Works T12m
0.55
- Openalex Ai Work Citations Current
0.35
- Openalex Ai Citations Per Work Current
0.1
- Tie Breakers
- OpenAlex-indexed work count descending
- current citations to scoped works descending
- entity slug ascending
Movement
Compared only with the latest earlier published snapshot using this exact methodology version and reviewed universe.
Universe
Code-reviewed institutions with exact OpenAlex IDs declared in openalex_manifest.py
Work Scope
- Topic Filter
topics.subfield.id
- Topic Subfield Id
1702
- Institution Filter
authorships.institutions.id
- Publication Window
half-open trailing 365 days, ending at the latest complete UTC day
- Topic Subfield Name
Artificial Intelligence
Scope Label
OpenAlex-indexed AI research activity
Limitations
- OpenAlex affiliation and topic indexing may be incomplete
- institution records do not necessarily cover every lab or subsidiary
- citation counts favor older works within the trailing window
- the score is not total research output or research quality
Quality Gates
- License
CC0-1.0
- Metric Coverage
1
- Reviewed Universe Coverage
1
- Maximum Cohort Spread Minutes
20
- Maximum Observation Age Hours
48
Universe Version
2026-07-26
Citation Semantics
Current cited_by_count summed over works published in the scoped window; not citations received during that window.