Triple
T6194902
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Burlington station (Amtrak) |
E138484
|
entity |
| Predicate | adjacentTo |
P224
|
FINISHED |
| Object |
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.
|
E575383
|
NE FINISHED |
How this triple was built (4 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: Burlington–Fort Madison rail corridor | Statement: [Burlington station (Amtrak), adjacentTo, Burlington–Fort Madison rail corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Burlington–Fort Madison rail corridor Context triple: [Burlington station (Amtrak), adjacentTo, Burlington–Fort Madison rail corridor]
-
A.
Iowa City–Cedar Rapids Corridor
The Iowa City–Cedar Rapids Corridor is a metropolitan region in eastern Iowa centered around the cities of Iowa City and Cedar Rapids, known for its intertwined economies, universities, and growing tech and service industries.
-
B.
Chicago–Sioux City line
The Chicago–Sioux City line is a historic Midwestern rail route that connected Chicago, Illinois, with Sioux City, Iowa, serving as a key corridor for passenger and freight traffic in the region.
-
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.
Hannibal and St. Joseph Railroad
The Hannibal and St. Joseph Railroad was a pioneering 19th-century rail line in Missouri, notable as one of the first railroads to cross the state and for carrying early Pony Express mail.
-
E.
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.
- 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: Burlington–Fort Madison rail corridor Triple: [Burlington station (Amtrak), adjacentTo, Burlington–Fort Madison rail corridor]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Burlington–Fort Madison rail corridor Target entity description: 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.
-
A.
Iowa City–Cedar Rapids Corridor
The Iowa City–Cedar Rapids Corridor is a metropolitan region in eastern Iowa centered around the cities of Iowa City and Cedar Rapids, known for its intertwined economies, universities, and growing tech and service industries.
-
B.
Chicago–Sioux City line
The Chicago–Sioux City line is a historic Midwestern rail route that connected Chicago, Illinois, with Sioux City, Iowa, serving as a key corridor for passenger and freight traffic in the region.
-
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.
Hannibal and St. Joseph Railroad
The Hannibal and St. Joseph Railroad was a pioneering 19th-century rail line in Missouri, notable as one of the first railroads to cross the state and for carrying early Pony Express mail.
-
E.
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.
- F. None of above. chosen
Provenance (5 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_69c008ab9b3081908a11b2c744838435 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c062443cec81909dc9bafea2f5e7d4 |
completed | March 22, 2026, 9:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c16f234ffc8190a6e8166e2ac554a8 |
completed | March 23, 2026, 4:49 p.m. |
| NEDg | Description generation | batch_69c1e32429f48190bc18f4d78f3c79e8 |
completed | March 24, 2026, 1:04 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c1e4844f848190bf67d916851514bc |
completed | March 24, 2026, 1:10 a.m. |
Created at: March 22, 2026, 4:19 p.m.