Triple
T13457049
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | IND/BMT large-profile cars |
E311261
|
entity |
| Predicate | hasCarTypeFamily |
P57272
|
FINISHED |
| Object | R68A series |
E233452
|
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: R68A series | Statement: [IND/BMT large-profile cars, hasCarTypeFamily, R68A series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: R68A series Context triple: [IND/BMT large-profile cars, hasCarTypeFamily, R68A series]
-
A.
R68A
chosen
R68A is a class of New York City Subway cars built in the late 1980s for B Division services, known for their stainless-steel bodies and use on lines such as the B and D.
-
B.
R46 series
The R46 series is a class of New York City Subway rolling stock built in the 1970s for the IND/BMT divisions, known for its stainless-steel bodies and use on various lettered lines.
-
C.
R68
The R68 is a class of New York City Subway cars built in the 1980s for the B Division, known for their stainless-steel bodies and use on various lettered lines.
-
D.
R1–R9 series
The R1–R9 series were early New York City Subway rolling stock built in the 1930s that formed the backbone of the IND division’s original fleet.
-
E.
R21 series
The R21 series is a class of New York City Subway rolling stock built for the IND/BMT divisions, featuring large-profile steel cars used in mid-20th-century service.
- 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_69dbaf0a75008190a508060c85f73604 |
completed | April 12, 2026, 2:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7462522c88190a6a6e2e2292e2414 |
completed | May 3, 2026, 12:57 p.m. |
Created at: April 9, 2026, 9:41 p.m.