Triple
T13455524
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Westinghouse H2C |
E311221
|
entity |
| Predicate | usedOnRollingStockType |
P1305
|
FINISHED |
| Object | New York City Subway R46 cars |
E79343
|
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 R46 cars | Statement: [Westinghouse H2C, usedOnRollingStockType, New York City Subway R46 cars]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New York City Subway R46 cars Context triple: [Westinghouse H2C, usedOnRollingStockType, New York City Subway R46 cars]
-
A.
R46 subway cars
chosen
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.
-
B.
R44 subway cars (historical)
The R44 subway cars (historical) were a class of New York City Transit rapid transit cars, some of which were adapted for use on the Staten Island Railway before their retirement.
-
C.
R211 subway cars
The R211 subway cars are a modern generation of New York City Subway rolling stock featuring updated technology, improved accessibility, and enhanced passenger amenities.
-
D.
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.
-
E.
R62A subway cars
The R62A subway cars are stainless-steel New York City Subway rolling stock built in the 1980s for the IRT division, known for their distinctive front-end design and long service on numbered 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_69d806a938b8819097ec43a2229fc7f9 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69dbaefc52448190b30d7999f44a9765 |
completed | April 12, 2026, 2:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7399e33008190b10c14f30ff0c0d2 |
completed | May 3, 2026, 12:03 p.m. |
Created at: April 9, 2026, 9:41 p.m.