Triple
T18326192
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | R188 subway car |
E439013
|
entity |
| Predicate | replacedRollingStock |
P14642
|
FINISHED |
| Object | R62A subway car |
—
|
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: R62A subway car | Statement: [R188 subway car, replacedRollingStock, R62A subway car]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: R62A subway car Context triple: [R188 subway car, replacedRollingStock, R62A subway car]
-
A.
R68 subway car
The R68 subway car is a stainless-steel New York City Subway rolling stock class built in the 1980s, primarily used on B Division lines such as the B train.
-
B.
R62A subway cars
chosen
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.
-
C.
R160 subway cars
The R160 subway cars are a class of modern New Technology Train rolling stock used on various New York City Subway lines, featuring electronic signage, automated announcements, and improved accessibility and reliability compared to older fleets.
-
D.
R188 subway cars
The R188 subway cars are a modern fleet of New York City Subway rolling stock built for the IRT Flushing Line, featuring updated technology and communications-based train control compatibility.
-
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 (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_69d8b916a2d081909e249e4902f6aad9 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e50aab3e7c81909b1c0a688707dfd6 |
completed | April 19, 2026, 5:02 p.m. |
Created at: April 10, 2026, 10:36 a.m.