Triple
T5814025
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brooklyn Rapid Transit Company |
E128938
|
entity |
| Predicate | predecessorOf |
P97
|
FINISHED |
| Object | BMT Division of the New York City Subway |
E97262
|
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: BMT Division of the New York City Subway | Statement: [Brooklyn Rapid Transit Company, predecessorOf, BMT Division of the New York City Subway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BMT Division of the New York City Subway Context triple: [Brooklyn Rapid Transit Company, predecessorOf, BMT Division of the New York City Subway]
-
A.
BMT Division
BMT Division is a specialized organizational unit focused on bone marrow transplantation and related hematologic treatments.
-
B.
BMT Division
chosen
The BMT Division is a former Brooklyn–Manhattan Transit-operated section of the New York City Subway system, encompassing lines originally built and run by the BMT before unification.
-
C.
MTA New York City Transit Subdivision B
MTA New York City Transit Subdivision B is the division of New York City's subway system that operates the lettered lines, including services like the A, B, D, F, N, Q, and R trains.
-
D.
NYC Transit Manhattan Division
NYC Transit Manhattan Division is the New York City Transit subdivision responsible for operating Manhattan’s local and select bus routes and related surface transit services.
-
E.
Brooklyn IRT lines
The Brooklyn IRT lines are a group of New York City Subway routes in Brooklyn that were originally built and operated by the Interborough Rapid Transit Company as part of its early rapid transit network.
- 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_69c0084788848190bcf71f6bc5d71597 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c03361c79081908baf872821e79983 |
completed | March 22, 2026, 6:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c09848dd148190aeea1b1d454b8da5 |
completed | March 23, 2026, 1:32 a.m. |
Created at: March 22, 2026, 3:52 p.m.