Triple
T20088797
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New York, Chicago and St. Louis Railroad |
E496209
|
entity |
| Predicate | operatedNotableTrain |
P1669
|
FINISHED |
| Object | Nickel Plate Limited |
—
|
NE NERFINISHED |
How this triple was built (3 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: Nickel Plate Limited | Statement: [New York, Chicago and St. Louis Railroad, operatedNotableTrain, Nickel Plate Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nickel Plate Limited Context triple: [New York, Chicago and St. Louis Railroad, operatedNotableTrain, Nickel Plate Limited]
-
A.
Pan Am Railways
Pan Am Railways was a regional freight railroad in New England, formerly known as Guilford Rail System, that operated an extensive network across the northeastern United States.
-
B.
Nickel Plate Road
chosen
Nickel Plate Road, formally known as the New York, Chicago and St. Louis Railroad, was a prominent Midwestern U.S. railroad famed for its fast freight service and iconic steam locomotives.
-
C.
Wabash Railroad
Wabash Railroad was a major Midwestern American railroad company that operated an extensive network connecting key cities such as Chicago, St. Louis, Detroit, and Buffalo during the late 19th and early 20th centuries.
-
D.
Chicago Railways Company
The Chicago Railways Company was a major early 20th-century street railway operator in Chicago that formed a key part of the city’s urban transit system before consolidation into unified public transportation.
-
E.
Consolidated Rail Corporation
Consolidated Rail Corporation, commonly known as Conrail, was a major U.S. freight railroad created in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: operatedNotableTrain Context triple: [New York, Chicago and St. Louis Railroad, operatedNotableTrain, Nickel Plate Limited]
-
A.
notableTrain
chosen
Indicates that there is a train or rail service associated with the subject that is considered notable or significant in some way.
-
B.
notableTrainBrand
Indicates that an entity is a well-known or significant brand associated with trains or railway services.
-
C.
operatedOnRailroad
Indicates that an entity conducted operations or provided services on a railroad system.
-
D.
servedByRailroad
Indicates that a location or facility is provided with transportation or service by a railroad line or company.
-
E.
maintainsTrainsFor
Indicates that one entity is responsible for servicing, repairing, or otherwise keeping trains operational for another entity.
- F. None of above.
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_69da626eee3881909f3454986d4a6511 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6655d65a88190a510132f36341b6c |
completed | April 20, 2026, 5:41 p.m. |
| PD | Predicate disambiguation | batch_69e54cf369b88190931532420517dac7 |
completed | April 19, 2026, 9:45 p.m. |
Created at: April 11, 2026, 11:18 p.m.