Triple
T20179316
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Twin Cities Zephyr |
E492682
|
entity |
| Predicate | competedWith |
P1375
|
FINISHED |
| Object | Milwaukee Road Hiawatha trains |
—
|
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: Milwaukee Road Hiawatha trains | Statement: [Twin Cities Zephyr, competedWith, Milwaukee Road Hiawatha trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Milwaukee Road Hiawatha trains Context triple: [Twin Cities Zephyr, competedWith, Milwaukee Road Hiawatha trains]
-
A.
Hiawatha passenger trains of the Milwaukee Road
chosen
The Hiawatha passenger trains of the Milwaukee Road were a famed fleet of high-speed, streamlined Midwestern trains operated by the Chicago, Milwaukee, St. Paul and Pacific Railroad, renowned for their speed, comfort, and distinctive design in the mid-20th century.
-
B.
Amtrak Heartland Flyer
The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
-
C.
Milwaukee Road
The Milwaukee Road was a major American railroad that operated an extensive Midwestern and Pacific Northwest network, noted especially for its electrified mountain routes and eventual bankruptcy in the late 20th century.
-
D.
Amtrak Empire Builder
The Amtrak Empire Builder is a long-distance passenger train route that runs between Chicago and the Pacific Northwest, offering scenic views of the northern United States.
-
E.
Amtrak Carl Sandburg
Amtrak Carl Sandburg is a state-supported passenger train operated by Amtrak in Illinois, running between Chicago and Quincy with stops at intermediate cities such as Naperville.
- 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_69e668edf27881909820f9103e72533e |
completed | April 20, 2026, 5:57 p.m. |
Created at: April 11, 2026, 11:36 p.m.