Triple
T20179256
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago–Twin Cities route |
E492680
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Chicago–Pacific Northwest rail axis |
—
|
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: Chicago–Pacific Northwest rail axis | Statement: [Chicago–Twin Cities route, partOf, Chicago–Pacific Northwest rail axis]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–Pacific Northwest rail axis Context triple: [Chicago–Twin Cities route, partOf, Chicago–Pacific Northwest rail axis]
-
A.
Chicago–St. Louis rail corridor
The Chicago–St. Louis rail corridor is a major Midwestern passenger and freight rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key component of the region’s transportation network.
-
B.
Chicago–Pacific Northwest route
chosen
The Chicago–Pacific Northwest route was a major transcontinental rail corridor linking Chicago with cities in the Pacific Northwest, historically operated by the Milwaukee Road.
-
C.
Chicago–Detroit rail corridor
The Chicago–Detroit rail corridor is a major Midwestern passenger rail route linking Chicago, Illinois to Detroit, Michigan, serving as a key component of intercity transportation between these metropolitan areas.
-
D.
Chicago–San Antonio rail corridor
The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
-
E.
Chicago–Indianapolis corridor
The Chicago–Indianapolis corridor is a major Midwestern transportation route linking the metropolitan hubs of Chicago, Illinois and Indianapolis, Indiana by highway and rail.
- 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.