Triple
T4775845
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BMT 2 (Fourth Avenue Local) |
E106043
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | Brooklyn–Manhattan Transit Corporation service |
C12143
|
CONCEPT FINISHED |
How this triple was built (1 step)
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.
CD
Concept disambiguation
gpt-5-mini-2025-08-07
Target class: Brooklyn–Manhattan Transit Corporation service Context triple: [BMT 2 (Fourth Avenue Local), instanceOf, Brooklyn–Manhattan Transit Corporation service]
-
A.
New York City Subway service designation
chosen
A New York City Subway service designation is a letter, number, or symbol that identifies a specific subway route, indicating its line, terminals, and general service pattern for riders.
-
B.
division of Metropolitan Transportation Authority
A division of the Metropolitan Transportation Authority is an organizational unit responsible for managing and operating a specific set of transit services, assets, or functions within the broader MTA system.
-
C.
mass transit operator
A mass transit operator is an entity responsible for managing, coordinating, and providing public transportation services such as buses, trains, or subways within a specific region or network.
-
D.
Long Island Rail Road service area
The Long Island Rail Road service area encompasses the network of commuter rail lines and stations extending from New York City through Nassau and Suffolk counties on Long Island, providing passenger rail service to communities across this region.
-
E.
Chicago Transit Authority service
Chicago Transit Authority service represents the public transportation operations, including bus and rail routes, schedules, and related customer services, provided by the CTA within the Chicago metropolitan area.
- F. None of above.
Provenance (1 batch)
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_69bd43f3074c8190937e7b0a457fe9f1 |
completed | March 20, 2026, 12:56 p.m. |
Created at: March 20, 2026, 1:21 p.m.