Triple
T18521117
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Title I – Return of Railroads to Private Control |
E452584
|
entity |
| Predicate | appliesTo |
P1129
|
FINISHED |
| Object | U.S. railroads |
E1329590
|
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: U.S. railroads | Statement: [Title I – Return of Railroads to Private Control, appliesTo, U.S. railroads]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. railroads Context triple: [Title I – Return of Railroads to Private Control, appliesTo, U.S. railroads]
-
A.
United States railroads
chosen
United States railroads comprise the extensive freight- and passenger-rail network that has played a central role in the country’s economic development, industrialization, and long-distance transportation since the 19th century.
-
B.
Conrail
Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
-
C.
Class I freight railroads in the United States
Class I freight railroads in the United States are the largest and highest-revenue freight rail carriers in the country, operating extensive long-haul networks that move the majority of U.S. rail cargo.
-
D.
Union Railways
Union Railways is a British rail infrastructure and development company known for its role in major UK rail projects and for employing civil engineer Sir John Armitt.
-
E.
Association of American Railroads
The Association of American Railroads is a trade group representing major freight and passenger railroads in North America, focusing on industry policy, safety standards, and technological research.
- 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_69d8d386df84819092355ebb260d848e |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e5338db5e4819086503a2176dfe499 |
completed | April 19, 2026, 7:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a049ad0868481908acdd25f8298283e |
completed | May 13, 2026, 3:37 p.m. |
Created at: April 10, 2026, 11:37 a.m.