Triple
T22161790
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Exposition Flyer |
E547687
|
entity |
| Predicate | operatedOver |
P3695
|
FINISHED |
| Object | Chicago, Burlington and Quincy main line |
—
|
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: Chicago, Burlington and Quincy main line | Statement: [Exposition Flyer, operatedOver, Chicago, Burlington and Quincy main line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago, Burlington and Quincy main line Context triple: [Exposition Flyer, operatedOver, Chicago, Burlington and Quincy main line]
-
A.
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.
-
B.
Kishwaukee Road
Kishwaukee Road is a regional roadway in northern Illinois that forms part of the state highway system and serves local communities along its route.
-
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.
Illinois Central Corridor
The Illinois Central Corridor is a segment of the Constitution Trail that follows the former Illinois Central Railroad route through Bloomington-Normal, Illinois.
-
E.
Illinois Central Railroad main line
The Illinois Central Railroad main line was a major north–south rail corridor in the central United States, historically linking Chicago with the Gulf of Mexico and serving as a key route for both passenger and freight traffic.
- 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: Chicago, Burlington and Quincy main line Target entity description: The Chicago, Burlington and Quincy main line was a key Midwestern railroad route that carried prominent passenger and freight trains across the CB&Q system.
-
A.
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.
-
B.
Kishwaukee Road
Kishwaukee Road is a regional roadway in northern Illinois that forms part of the state highway system and serves local communities along its route.
-
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.
Illinois Central Corridor
The Illinois Central Corridor is a segment of the Constitution Trail that follows the former Illinois Central Railroad route through Bloomington-Normal, Illinois.
-
E.
Illinois Central Railroad main line
The Illinois Central Railroad main line was a major north–south rail corridor in the central United States, historically linking Chicago with the Gulf of Mexico and serving as a key route for both passenger and freight traffic.
- 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_69e11e3c4c5c81908d336165816b12e0 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f12a2e47a88190a3b5c05398605f68 |
completed | April 28, 2026, 9:44 p.m. |
Created at: April 16, 2026, 8:34 p.m.