Triple
T1391290
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra |
E29963
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object | Milwaukee District North Line |
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 North Line | Statement: [Metra, operates, Milwaukee District North Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Milwaukee District North Line Context triple: [Metra, operates, Milwaukee District North Line]
-
A.
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.
-
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.
Eighth Avenue Line
The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway 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.
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.
- 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_69a498dc92f8819094a1108f8ac90f43 |
completed | March 1, 2026, 7:51 p.m. |
| NER | Named-entity recognition | batch_69a4c35f7ab081909fe81dd475d6196f |
completed | March 1, 2026, 10:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acde24d1d88190bd6d602923270cd1 |
completed | March 8, 2026, 2:25 a.m. |
Created at: March 1, 2026, 7:59 p.m.