Triple
T5613388
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Burlington Route commuter service |
E147416
|
entity |
| Predicate | operatedOnLine |
P15252
|
FINISHED |
| Object |
Chicago–Downers Grove corridor
The Chicago–Downers Grove corridor is a key suburban rail route in the Chicago metropolitan area, linking the city with the western suburb of Downers Grove and serving as a major commuter artery.
|
E533991
|
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–Downers Grove corridor | Statement: [Burlington Route commuter service, operatedOnLine, Chicago–Downers Grove corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–Downers Grove corridor Context triple: [Burlington Route commuter service, operatedOnLine, Chicago–Downers Grove corridor]
-
A.
Chicago–Milwaukee metropolitan corridor
The Chicago–Milwaukee metropolitan corridor is a heavily urbanized and economically integrated region stretching along Lake Michigan between Chicago, Illinois, and Milwaukee, Wisconsin.
-
B.
Chicago–Ann Arbor corridor
The Chicago–Ann Arbor corridor is a key Midwestern passenger rail route linking Chicago, Illinois with Ann Arbor, Michigan and other intermediate cities.
-
C.
Chicago–Naperville–Elgin, IL–IN–WI Metropolitan Statistical Area
The Chicago–Naperville–Elgin, IL–IN–WI Metropolitan Statistical Area is a large multi-state U.S. metropolitan region centered on Chicago, encompassing numerous surrounding suburbs and communities across Illinois, Indiana, and Wisconsin.
-
D.
O'Hare–Forest Park corridor
The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
-
E.
Chicago–Detroit/Pontiac corridor
The Chicago–Detroit/Pontiac corridor is a major Midwestern passenger rail route that connects Chicago with Detroit and Pontiac, serving numerous intermediate cities across Illinois and Michigan.
- 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–Downers Grove corridor Triple: [Burlington Route commuter service, operatedOnLine, Chicago–Downers Grove corridor]
Generated description
The Chicago–Downers Grove corridor is a key suburban rail route in the Chicago metropolitan area, linking the city with the western suburb of Downers Grove and serving as a major commuter artery.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chicago–Downers Grove corridor Target entity description: The Chicago–Downers Grove corridor is a key suburban rail route in the Chicago metropolitan area, linking the city with the western suburb of Downers Grove and serving as a major commuter artery.
-
A.
Chicago–Milwaukee metropolitan corridor
The Chicago–Milwaukee metropolitan corridor is a heavily urbanized and economically integrated region stretching along Lake Michigan between Chicago, Illinois, and Milwaukee, Wisconsin.
-
B.
Chicago–Ann Arbor corridor
The Chicago–Ann Arbor corridor is a key Midwestern passenger rail route linking Chicago, Illinois with Ann Arbor, Michigan and other intermediate cities.
-
C.
Chicago–Naperville–Elgin, IL–IN–WI Metropolitan Statistical Area
The Chicago–Naperville–Elgin, IL–IN–WI Metropolitan Statistical Area is a large multi-state U.S. metropolitan region centered on Chicago, encompassing numerous surrounding suburbs and communities across Illinois, Indiana, and Wisconsin.
-
D.
O'Hare–Forest Park corridor
The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
-
E.
Chicago–Detroit/Pontiac corridor
The Chicago–Detroit/Pontiac corridor is a major Midwestern passenger rail route that connects Chicago with Detroit and Pontiac, serving numerous intermediate cities across Illinois and Michigan.
- 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_69c00905d4588190bd967842bbcf2219 |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c021226cf88190b70b4b51eb5b4144 |
completed | March 22, 2026, 5:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0287b14708190bc246e982896ad27 |
completed | March 22, 2026, 5:35 p.m. |
| NEDg | Description generation | batch_69c03f8c1a3081908f9d03a6c51d69f0 |
completed | March 22, 2026, 7:14 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c0404f0a3081908850794f9a5cea40 |
completed | March 22, 2026, 7:17 p.m. |
Created at: March 22, 2026, 3:39 p.m.