Triple
T18427065
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | B Division (New York City Subway) |
E450167
|
entity |
| Predicate | hasRollingStockSeries |
P1761
|
FINISHED |
| Object | R68A series |
—
|
NE NERFINISHED |
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: [B Division (New York City Subway), hasRollingStockSeries, R68A series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: R68A series Context triple: [B Division (New York City Subway), hasRollingStockSeries, R68A series]
-
A.
R68 series
The R68 series is a class of stainless-steel New York City Subway cars built in the 1980s for the B Division, known for their distinctive front-end design and long service on lettered lines.
-
B.
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.
-
C.
R62A
The R62A is a class of stainless-steel New York City Subway cars built in the 1980s for use on A Division (numbered) lines.
-
D.
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.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8d381d6388190a9e94e9c658174e4 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e51b13ee88819091e7e007d17dcc73 |
completed | April 19, 2026, 6:12 p.m. |
Created at: April 10, 2026, 11:25 a.m.