Triple
T14066464
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bartlett station |
E338485
|
entity |
| Predicate | hasRegionalRailNetwork |
P522
|
FINISHED |
| Object | Metra Milwaukee District lines |
E626903
|
NE FINISHED |
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: Metra Milwaukee District lines | Statement: [Bartlett station, hasRegionalRailNetwork, Metra Milwaukee District lines]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metra Milwaukee District lines Context triple: [Bartlett station, hasRegionalRailNetwork, Metra Milwaukee District lines]
-
A.
Metra Milwaukee District
chosen
Metra Milwaukee District is a commuter rail service corridor in the Chicago metropolitan area that encompasses the Milwaukee District North and West Lines operated by Metra.
-
B.
Metra Milwaukee District West Line
The Metra Milwaukee District West Line is a commuter rail line in the Chicago metropolitan area that runs between Chicago Union Station and Elgin, serving numerous suburbs in Cook, DuPage, and Kane counties.
-
C.
Metra Milwaukee District North Line
The Metra Milwaukee District North Line is a commuter rail line in the Chicago metropolitan area that runs between Chicago Union Station and Fox Lake, Illinois, serving numerous northern suburbs along its route.
-
D.
Metra Rock Island District line
The Metra Rock Island District line is a commuter rail route in the Chicago metropolitan area that connects downtown Chicago with various southwest suburbs, including Tinley Park.
-
E.
Metra Electric District line
The Metra Electric District line is a commuter rail line in the Chicago metropolitan area that runs from downtown Chicago to its southern suburbs, serving key destinations along the South Side and beyond.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasRegionalRailNetwork Context triple: [Bartlett station, hasRegionalRailNetwork, Metra Milwaukee District lines]
-
A.
hasRailSystem
chosen
Indicates that an entity possesses or is served by a rail-based transportation system.
-
B.
hasPassengerRailConnection
Indicates that there exists a passenger rail service linking one location or transport node to another.
-
C.
railwayRegion
Indicates a relationship where a railway or rail network is associated with, located in, or administered within a particular geographic region.
-
D.
isNationalRailwaySystemOf
Indicates that one entity functions as the official national railway system serving and operating within the territory of another entity.
-
E.
usesRailInfrastructureOf
Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
- F. None of above.
Provenance (4 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_69d81c67ba6c819091935650dfb3b895 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de568b81f08190a571004261c0e8e4 |
completed | April 14, 2026, 3 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb669111081909ccd167f41571a00 |
completed | May 7, 2026, 3:57 p.m. |
| PD | Predicate disambiguation | batch_69de05adef888190b023ab42ef5076b6 |
completed | April 14, 2026, 9:15 a.m. |
Created at: April 9, 2026, 10:21 p.m.