Triple
T20179087
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago, Burlington and Quincy Railroad |
E492677
|
entity |
| Predicate | operatedPassengerTrain |
P31751
|
FINISHED |
| Object | Pioneer Zephyr |
—
|
NE NERFINISHED |
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: Pioneer Zephyr | Statement: [Chicago, Burlington and Quincy Railroad, operatedPassengerTrain, Pioneer Zephyr]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pioneer Zephyr Context triple: [Chicago, Burlington and Quincy Railroad, operatedPassengerTrain, 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.
Royal Blue passenger train
The Royal Blue passenger train was a famed luxury streamliner that provided premier passenger service between New York City and Washington, D.C. for the Baltimore and Ohio Railroad.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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. |
Created at: April 11, 2026, 11:36 p.m.