Triple
T17527129
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Constitution Trail |
E426826
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object | Illinois Central Corridor |
—
|
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: Illinois Central Corridor | Statement: [Constitution Trail, hasPart, Illinois Central Corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Illinois Central Corridor Context triple: [Constitution Trail, hasPart, Illinois Central Corridor]
-
A.
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.
-
B.
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.
-
C.
Chicago and North Western Railway corridor
The Chicago and North Western Railway corridor is a former Midwestern railroad route whose abandoned right-of-way has been repurposed in places, such as in Iowa, for recreational trails and other community uses.
-
D.
Chicago & North Western West Line
The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
-
E.
Chicago–Joliet corridor
The Chicago–Joliet corridor is a major commuter and freight rail route in northeastern Illinois connecting the city of Chicago with the city of Joliet through multiple suburban communities.
- 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: Illinois Central Corridor Target entity description: The Illinois Central Corridor is a segment of the Constitution Trail that follows the former Illinois Central Railroad route through Bloomington-Normal, Illinois.
-
A.
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.
-
B.
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.
-
C.
Chicago and North Western Railway corridor
The Chicago and North Western Railway corridor is a former Midwestern railroad route whose abandoned right-of-way has been repurposed in places, such as in Iowa, for recreational trails and other community uses.
-
D.
Chicago & North Western West Line
The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
-
E.
Chicago–Joliet corridor
The Chicago–Joliet corridor is a major commuter and freight rail route in northeastern Illinois connecting the city of Chicago with the city of Joliet through multiple suburban communities.
- 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_69d889de677081909b22d2657b1f0292 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e452d7523c819099278507e4a718d4 |
completed | April 19, 2026, 3:58 a.m. |
Created at: April 10, 2026, 5:49 a.m.