Triple
T20179147
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Burlington Route |
E492678
|
entity |
| Predicate | introducedTrain |
P17949
|
FINISHED |
| Object | Nebraska 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: Nebraska Zephyr | Statement: [Burlington Route, introducedTrain, Nebraska Zephyr]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nebraska Zephyr Context triple: [Burlington Route, introducedTrain, Nebraska Zephyr]
-
A.
Nebraska Zephyr
chosen
The Nebraska Zephyr was a streamlined passenger train that provided luxury rail service between Chicago and Nebraska in the mid-20th century.
-
B.
Illinois Zephyr
The Illinois Zephyr is a state-supported Amtrak passenger train that operates daily between Chicago and Quincy, Illinois, serving intermediate cities across the state.
-
C.
Twin Cities Zephyr
The Twin Cities Zephyr was a streamlined passenger train that provided fast, stylish service between Chicago and the Minneapolis–St. Paul "Twin Cities" during the mid-20th century.
-
D.
Denver Zephyr
The Denver Zephyr was a famed mid-20th-century streamlined passenger train that provided fast, luxurious service between Chicago and Denver.
-
E.
Southwest Chief
The Southwest Chief is a long-distance Amtrak passenger train route that runs between Chicago and Los Angeles, traversing the Midwest, the Great Plains, and the desert Southwest.
- 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.