Triple
T54420
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak |
E1072
|
entity |
| Predicate | regulator |
P46
|
FINISHED |
| Object |
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.
|
E12650
|
NE FINISHED |
How this triple was built (4 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: Surface Transportation Board | Statement: [Amtrak, regulator, Surface Transportation Board]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Surface Transportation Board Context triple: [Amtrak, regulator, Surface Transportation Board]
-
A.
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.
-
B.
Federal Transit Administration
The Federal Transit Administration is a U.S. government agency that provides financial and technical assistance to support and improve public transportation systems nationwide.
-
C.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
D.
Bureau of Transportation Statistics
The Bureau of Transportation Statistics is a U.S. federal agency that compiles, analyzes, and publishes data on the nation’s transportation systems to inform policy and decision-making.
-
E.
Federal Railroad Administration
The Federal Railroad Administration is a U.S. government agency responsible for regulating and promoting safe, efficient rail transportation nationwide.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Surface Transportation Board Triple: [Amtrak, regulator, Surface Transportation Board]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Surface Transportation Board Target entity description: 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.
-
A.
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.
-
B.
Federal Transit Administration
The Federal Transit Administration is a U.S. government agency that provides financial and technical assistance to support and improve public transportation systems nationwide.
-
C.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
D.
Bureau of Transportation Statistics
The Bureau of Transportation Statistics is a U.S. federal agency that compiles, analyzes, and publishes data on the nation’s transportation systems to inform policy and decision-making.
-
E.
Federal Railroad Administration
The Federal Railroad Administration is a U.S. government agency responsible for regulating and promoting safe, efficient rail transportation nationwide.
- F. None of above. chosen
Provenance (5 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_69a248adc5b48190aa8db9fb092fb28a |
completed | Feb. 28, 2026, 1:45 a.m. |
| NER | Named-entity recognition | batch_69a24b06c5488190afb5429a7999e3f3 |
completed | Feb. 28, 2026, 1:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a29176de5c819086e1cfec0a23d9d7 |
completed | Feb. 28, 2026, 6:55 a.m. |
| NEDg | Description generation | batch_69a291e8a54081909f9377d7decca7d0 |
completed | Feb. 28, 2026, 6:57 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2927e410c81909879207d8b25a895 |
completed | Feb. 28, 2026, 7 a.m. |
Created at: Feb. 28, 2026, 1:50 a.m.