Triple
T2687642
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northstar commuter rail |
E57521
|
entity |
| Predicate | brandName |
P1500
|
FINISHED |
| Object | Northstar Line |
E57521
|
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: Northstar Line | Statement: [Northstar commuter rail, brandName, Northstar Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northstar Line Context triple: [Northstar commuter rail, brandName, Northstar Line]
-
A.
Northstar commuter rail
chosen
Northstar commuter rail is a commuter train service in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with northern suburbs and exurban communities.
-
B.
Mountain Line Transit Authority
Mountain Line Transit Authority is the public bus system serving Morgantown and surrounding areas in north-central West Virginia.
-
C.
Everett Transit
Everett Transit is the public bus transportation agency serving the city of Everett in Washington State.
-
D.
Metra Union Pacific Northwest Line
The Metra Union Pacific Northwest Line is a commuter rail line in the Chicago metropolitan area that provides service between downtown Chicago and its northwestern suburbs, including parts of McHenry County, Illinois.
-
E.
Metra
Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
- 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_69ab4a5028388190a36f3baf1588309e |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd9f080108190ab662a3a064cb5a9 |
completed | March 7, 2026, 7:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afa0741bc48190adffe6cfae831e26 |
completed | March 10, 2026, 4:39 a.m. |
Created at: March 6, 2026, 9:54 p.m.