Triple
T7522459
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Missouri and Illinois |
E177804
|
entity |
| Predicate | shareRailCorridor |
P57554
|
FINISHED |
| Object |
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.
|
E670636
|
NE FINISHED |
How this triple was built (5 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–St. Louis rail corridor | Statement: [Missouri and Illinois, shareRailCorridor, Chicago–St. Louis rail corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–St. Louis rail corridor Context triple: [Missouri and Illinois, shareRailCorridor, Chicago–St. Louis rail corridor]
-
A.
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.
-
B.
Chicago–La Grange corridor
The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
-
C.
Chicago–Omaha main line
The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
-
D.
Kansas City–Gulf Coast corridor
The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
-
E.
Burlington–Fort Madison rail corridor
The Burlington–Fort Madison rail corridor is a key railway line in southeastern Iowa that carries Amtrak passenger trains and significant freight traffic along the Mississippi River between Burlington and Fort Madison.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Chicago–St. Louis rail corridor Triple: [Missouri and Illinois, shareRailCorridor, Chicago–St. Louis rail corridor]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chicago–St. Louis rail corridor Target entity description: 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.
-
A.
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.
-
B.
Chicago–La Grange corridor
The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
-
C.
Chicago–Omaha main line
The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
-
D.
Kansas City–Gulf Coast corridor
The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
-
E.
Burlington–Fort Madison rail corridor
The Burlington–Fort Madison rail corridor is a key railway line in southeastern Iowa that carries Amtrak passenger trains and significant freight traffic along the Mississippi River between Burlington and Fort Madison.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: shareRailCorridor Context triple: [Missouri and Illinois, shareRailCorridor, Chicago–St. Louis rail corridor]
-
A.
coordinatesRailTrafficWith
Indicates that one entity organizes and synchronizes rail operations or movements with another entity to ensure coordinated train traffic.
-
B.
transportCorridor
Indicates a route or pathway used to move people, goods, or resources between locations.
-
C.
railwayLine
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
D.
partOfRailwayCorridor
chosen
Indicates that one entity is a segment, component, or area belonging to or contained within a specific railway corridor.
-
E.
usesRailInfrastructureOf
Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
- F. None of above.
Provenance (6 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_69c69f29bf3081909a146aec7755f185 |
completed | March 27, 2026, 3:15 p.m. |
| NER | Named-entity recognition | batch_69c6f7c3c4c08190ad418978afcc98ec |
completed | March 27, 2026, 9:33 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8462d743481909a3cfb6d31d94d98 |
completed | March 28, 2026, 9:20 p.m. |
| NEDg | Description generation | batch_69c84765ee64819082d3189c8a768455 |
completed | March 28, 2026, 9:25 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c84828b2c48190a70f3bcd9e7554cc |
completed | March 28, 2026, 9:29 p.m. |
| PD | Predicate disambiguation | batch_69c6f4d6bb808190bdd04499fd3bceb6 |
completed | March 27, 2026, 9:21 p.m. |
Created at: March 27, 2026, 3:46 p.m.