Triple
T20179143
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Burlington Route |
E492678
|
entity |
| Predicate | introducedTrain |
P17949
|
FINISHED |
| Object | Pioneer Zephyr |
—
|
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: Pioneer Zephyr | Statement: [Burlington Route, introducedTrain, Pioneer Zephyr]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pioneer Zephyr Context triple: [Burlington Route, introducedTrain, Pioneer Zephyr]
-
A.
Pioneer Zephyr
chosen
The Pioneer Zephyr was a groundbreaking 1930s stainless-steel diesel-powered streamlined passenger train that became famous for its speed, efficiency, and iconic “Dawn-to-Dusk” run.
-
B.
Hitachi A-Train
The Hitachi A-Train is a modular family of lightweight, aluminum-bodied electric and diesel-electric multiple units designed by Hitachi for high-speed and commuter rail services worldwide.
-
C.
Super Chief
Super Chief was a famed luxury passenger train operated by the Atchison, Topeka and Santa Fe Railway, renowned for its streamlined design and high-end service between Chicago and Los Angeles.
-
D.
Union Pacific Challenger
The Union Pacific Challenger was a named passenger train operated by the Union Pacific Railroad, known for providing comfortable, mid-priced long-distance service across the western United States.
-
E.
Zephyr passenger trains
Zephyr passenger trains were a celebrated fleet of streamlined, diesel-powered passenger trains in the United States that became icons of speed, modern design, and innovation in mid-20th-century rail travel.
- 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: introducedTrain Context triple: [Burlington Route, introducedTrain, Pioneer Zephyr]
-
A.
introducedRollingStock
chosen
Indicates that an entity caused new rolling stock (such as trains or rail vehicles) to be put into service or use.
-
B.
introducedByAmtrak
Indicates that something (such as a service, policy, feature, or change) was initiated, launched, or brought into use by Amtrak.
-
C.
notableTrain
Indicates that there is a train or rail service associated with the subject that is considered notable or significant in some way.
-
D.
areIntroducedBy
Indicates that one entity becomes known or presented to another entity through the action or mediation of a third party or process.
-
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_69da6268a034819081cbd9ea5a1c9475 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e668ed07c8819091bd9ffda237a91c |
completed | April 20, 2026, 5:57 p.m. |
| PD | Predicate disambiguation | batch_69e55b0c11cc8190836d1eee5945f000 |
completed | April 19, 2026, 10:45 p.m. |
Created at: April 11, 2026, 11:36 p.m.