Triple
T6913205
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heritage Corridor |
E159985
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | Milwaukee District lines at Chicago Union Station |
E158809
|
NE FINISHED |
How this triple was built (2 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: Milwaukee District lines at Chicago Union Station | Statement: [Heritage Corridor, connectsWith, Milwaukee District lines at Chicago Union Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Milwaukee District lines at Chicago Union Station Context triple: [Heritage Corridor, connectsWith, Milwaukee District lines at Chicago Union Station]
-
A.
Metra commuter rail services at Chicago Union Station
Metra commuter rail services at Chicago Union Station are a network of regional passenger trains that connect downtown Chicago with its surrounding suburbs via multiple lines terminating or passing through this major terminal.
-
B.
Waukegan station
Waukegan station is a commuter rail station in Waukegan, Illinois, serving as a key stop and northern terminus for many Metra Union Pacific North Line trains between Chicago and the northern suburbs.
-
C.
Kenosha station
Kenosha station is a commuter rail station in Kenosha, Wisconsin, serving as the northern endpoint of Metra’s Union Pacific North Line between Chicago and southeastern Wisconsin.
-
D.
Milwaukee Junction
Milwaukee Junction is a historic industrial district in Detroit, Michigan, known as an early hub of the American automotive industry.
-
E.
Metra Milwaukee District North Line
chosen
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c6883ab1008190a07129ff06f625d9 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6d9dbca6c819091d8b65e54ada5d9 |
completed | March 27, 2026, 7:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7491116448190b9945e5a53056cb9 |
completed | March 28, 2026, 3:20 a.m. |
Created at: March 27, 2026, 2:25 p.m.