Triple
T1391306
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra |
E29963
|
entity |
| Predicate | primaryHub |
P394
|
FINISHED |
| Object | Millennium Station |
E112884
|
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: Millennium Station | Statement: [Metra, primaryHub, Millennium Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Millennium Station Context triple: [Metra, primaryHub, Millennium Station]
-
A.
Millennium Station
chosen
Millennium Station is a major downtown Chicago commuter rail terminal serving Metra Electric District and South Shore Line trains beneath Millennium Park.
-
B.
Concourse B Station
Concourse B Station is an AeroTrain passenger rail stop serving Concourse B at Washington Dulles International Airport, providing automated transit between terminals.
-
C.
Palatine station
Palatine station is a commuter rail station in Palatine, Illinois, serving as a stop on Metra's Union Pacific Northwest Line in the Chicago metropolitan area.
-
D.
Civic Center station
Civic Center station is a major public transit hub in downtown St. Louis, Missouri, serving MetroLink light rail and numerous bus routes near the Enterprise Center arena.
-
E.
City Hall station
City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
- 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_69aea82191408190892e9a8e12504a8f |
completed | March 9, 2026, 10:59 a.m. |
Created at: March 1, 2026, 7:59 p.m.