Triple
T17822915
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hoosier State |
E445033
|
entity |
| Predicate | railwayLineUsed |
P848
|
FINISHED |
| Object | CSX Transportation trackage between Chicago and Indianapolis |
—
|
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: CSX Transportation trackage between Chicago and Indianapolis | Statement: [Hoosier State, railwayLineUsed, CSX Transportation trackage between Chicago and Indianapolis]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CSX Transportation trackage between Chicago and Indianapolis Context triple: [Hoosier State, railwayLineUsed, CSX Transportation trackage between Chicago and Indianapolis]
-
A.
Norfolk Southern trackage in Indiana and Illinois
Norfolk Southern trackage in Indiana and Illinois is a segment of the freight railroad’s Midwestern rail network that also hosts intercity passenger services such as Amtrak’s Wolverine route.
-
B.
Norfolk Southern Chicago Line
The Norfolk Southern Chicago Line is a major freight rail corridor in the Midwestern United States, forming part of Norfolk Southern Railway’s primary east–west route through the Chicago area.
-
C.
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.
-
D.
Indianapolis–Michigan City line
The Indianapolis–Michigan City line was a key north–south route of the Monon Railroad in Indiana, connecting the state capital with the Lake Michigan region and serving both passenger and freight traffic.
-
E.
Chicago–South Bend corridor
The Chicago–South Bend corridor is a regional passenger rail route linking the Chicago metropolitan area with South Bend, Indiana, via intermediate communities in northern Indiana.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CSX Transportation trackage between Chicago and Indianapolis Target entity description: CSX Transportation trackage between Chicago and Indianapolis is a freight rail corridor in the Midwestern United States that also carries passenger services such as Amtrak’s Hoosier State.
-
A.
Norfolk Southern trackage in Indiana and Illinois
Norfolk Southern trackage in Indiana and Illinois is a segment of the freight railroad’s Midwestern rail network that also hosts intercity passenger services such as Amtrak’s Wolverine route.
-
B.
Norfolk Southern Chicago Line
The Norfolk Southern Chicago Line is a major freight rail corridor in the Midwestern United States, forming part of Norfolk Southern Railway’s primary east–west route through the Chicago area.
-
C.
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.
-
D.
Indianapolis–Michigan City line
The Indianapolis–Michigan City line was a key north–south route of the Monon Railroad in Indiana, connecting the state capital with the Lake Michigan region and serving both passenger and freight traffic.
-
E.
Chicago–South Bend corridor
The Chicago–South Bend corridor is a regional passenger rail route linking the Chicago metropolitan area with South Bend, Indiana, via intermediate communities in northern Indiana.
- F. None of above. chosen
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_69d8b9f0de78819099395b14db75a8a6 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e4891282a081908d384d45bf444baf |
completed | April 19, 2026, 7:49 a.m. |
Created at: April 10, 2026, 10:15 a.m.