Triple
T13864559
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BMT Franklin Avenue Line |
E333287
|
entity |
| Predicate | hasRollingStockType |
P1305
|
FINISHED |
| Object | New York City Subway B Division cars |
E190126
|
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: New York City Subway B Division cars | Statement: [BMT Franklin Avenue Line, hasRollingStockType, New York City Subway B Division cars]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New York City Subway B Division cars Context triple: [BMT Franklin Avenue Line, hasRollingStockType, New York City Subway B Division cars]
-
A.
B Division subway cars
chosen
B Division subway cars are the wider, longer New York City Subway rolling stock used on lettered lines, designed for higher-capacity service on the B Division routes.
-
B.
New York City Subway rolling stock
New York City Subway rolling stock comprises the various generations of passenger rail cars that operate on the New York City Subway system, ranging from early 20th-century designs to modern, air-conditioned, automated trains.
-
C.
IRT A Division subway cars
IRT A Division subway cars are the narrower, smaller-profile New York City Subway vehicles designed to operate on the numbered lines of the system.
-
D.
Broad Street Line subway cars
Broad Street Line subway cars are the rapid transit vehicles used on Philadelphia's Broad Street Line, designed for high-capacity urban subway service.
-
E.
R46 subway cars
The R46 subway cars are a class of New York City Subway rolling stock built in the 1970s, known for their stainless-steel bodies and long service on various IND/BMT lines.
- 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_69d81c5ced9c8190b0e9bcc6effe5959 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de05c30d9c81908217d41a3b4aaf85 |
completed | April 14, 2026, 9:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7c10113288190b799126d934df92a |
completed | May 3, 2026, 9:41 p.m. |
Created at: April 9, 2026, 10:14 p.m.