Triple
T254264
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Terminal 1 (Ronald Reagan Washington National Airport) |
E5402
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object | Metropolitan Washington Airports Authority |
E1375
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Metropolitan Washington Airports Authority | Statement: [Terminal 1 (Ronald Reagan Washington National Airport), ownedBy, Metropolitan Washington Airports Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metropolitan Washington Airports Authority Context triple: [Terminal 1 (Ronald Reagan Washington National Airport), ownedBy, Metropolitan Washington Airports Authority]
-
A.
Metropolitan Washington Airports Authority
chosen
The Metropolitan Washington Airports Authority is an independent regional agency that manages and operates major airports serving the Washington, D.C. metropolitan area.
-
B.
Washington Metropolitan Area Transit Authority
The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
-
C.
Metropolitan Washington Council of Governments
The Metropolitan Washington Council of Governments is a regional organization that brings together local governments in the greater Washington, D.C. area to coordinate planning, policy, and services on issues such as transportation, the environment, and public safety.
-
D.
Baltimore/Washington International Thurgood Marshall Airport
Baltimore/Washington International Thurgood Marshall Airport is a major commercial airport in Maryland serving the greater Baltimore–Washington metropolitan area as a key hub for domestic and some international flights.
-
E.
District of Columbia Department of Transportation
The District of Columbia Department of Transportation is the city agency responsible for planning, constructing, and maintaining Washington, D.C.’s transportation infrastructure and services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69a2580a64ac8190ad76e34bb0715b5e |
completed | Feb. 28, 2026, 2:50 a.m. |
| NER | Named-entity recognition | batch_69a25d548cac819081b1636b2a057c62 |
completed | Feb. 28, 2026, 3:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a386170dac81909a5ebf631f6037ab |
completed | March 1, 2026, 12:19 a.m. |
Created at: Feb. 28, 2026, 2:55 a.m.