Triple
T4084334
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Washington station (CTA Blue Line) |
E87552
|
entity |
| Predicate | safetyRegulator |
P760
|
FINISHED |
| Object | Federal Transit Administration |
E7798
|
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: Federal Transit Administration | Statement: [Washington station (CTA Blue Line), safetyRegulator, Federal Transit Administration]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Federal Transit Administration Context triple: [Washington station (CTA Blue Line), safetyRegulator, Federal Transit Administration]
-
A.
Federal Transit Administration
chosen
The Federal Transit Administration is a U.S. government agency that provides financial and technical assistance to support and improve public transportation systems nationwide.
-
B.
Mass Transit Administration
The Mass Transit Administration was the former name of Maryland’s statewide public transportation agency responsible for operating and overseeing transit services.
-
C.
United States Department of Transportation
The United States Department of Transportation is a federal executive department responsible for national transportation policy, safety regulation, and infrastructure across modes such as highways, aviation, rail, and transit.
-
D.
Surface Transportation Board
The Surface Transportation Board is an independent U.S. federal agency that oversees and adjudicates economic regulation of the nation’s railroads and certain other surface transportation carriers.
-
E.
American Public Transportation Association
The American Public Transportation Association is a U.S.-based industry organization that represents and advocates for public transit agencies, businesses, and professionals across the public transportation sector.
- 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_69aed9435cf48190ad1da737c962d19d |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aefc7a4b488190ab466e2c50329ab3 |
completed | March 9, 2026, 4:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b562c9760c8190a9292eb1cea55ab2 |
completed | March 14, 2026, 1:29 p.m. |
Created at: March 9, 2026, 3:39 p.m.