Triple
T16645079
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago–Ann Arbor corridor |
E404445
|
entity |
| Predicate | connectsToCorridor |
P5520
|
FINISHED |
| Object |
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.
|
E1226382
|
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: Chicago–Detroit rail corridor | Statement: [Chicago–Ann Arbor corridor, connectsToCorridor, Chicago–Detroit rail corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–Detroit rail corridor Context triple: [Chicago–Ann Arbor corridor, connectsToCorridor, Chicago–Detroit rail corridor]
-
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–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.
-
C.
Lakeshore rail corridor
The Lakeshore rail corridor is a major railway line in Ontario that runs along the north shore of Lake Ontario, forming a key backbone for regional and intercity passenger and freight transportation.
-
D.
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.
-
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.
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–Detroit rail corridor Triple: [Chicago–Ann Arbor corridor, connectsToCorridor, Chicago–Detroit rail corridor]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chicago–Detroit rail corridor Target entity description: 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.
-
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–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.
-
C.
Lakeshore rail corridor
The Lakeshore rail corridor is a major railway line in Ontario that runs along the north shore of Lake Ontario, forming a key backbone for regional and intercity passenger and freight transportation.
-
D.
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.
-
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 (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_69d8838a41f08190b0c3f79c47df5078 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e37ad4735c81908a3a227bf02ca489 |
completed | April 18, 2026, 12:36 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0084bf0900819092db11456eb8e1c0 |
completed | May 10, 2026, 1:14 p.m. |
| NEDg | Description generation | batch_6a00862fe04481908bc114001357aea9 |
completed | May 10, 2026, 1:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00879d9f948190bdf40ff7be2505ff |
completed | May 10, 2026, 1:26 p.m. |
Created at: April 10, 2026, 5:18 a.m.