Triple
T18427064
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | B Division (New York City Subway) |
E450167
|
entity |
| Predicate | hasRollingStockSeries |
P1761
|
FINISHED |
| Object | R68 series |
—
|
NE NERFINISHED |
How this triple was built (3 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: R68 series | Statement: [B Division (New York City Subway), hasRollingStockSeries, R68 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: R68 series Context triple: [B Division (New York City Subway), hasRollingStockSeries, R68 series]
-
A.
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.
-
B.
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.
-
C.
R160 series
The R160 series is a class of modern New York City Subway rolling stock built for the B Division, featuring stainless-steel construction, advanced onboard electronics, and digital passenger information systems.
-
D.
R211 series
The R211 series is a modern generation of New York City Subway rolling stock designed for the IND/BMT lines, featuring updated technology, improved accessibility, and enhanced passenger amenities.
-
E.
R11 series
The R11 series was a small group of experimental New York City Subway prototype cars built in the late 1940s to test design features for future IND/BMT large-profile rolling stock.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: R68 series Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
R160 series
The R160 series is a class of modern New York City Subway rolling stock built for the B Division, featuring stainless-steel construction, advanced onboard electronics, and digital passenger information systems.
-
D.
R211 series
The R211 series is a modern generation of New York City Subway rolling stock designed for the IND/BMT lines, featuring updated technology, improved accessibility, and enhanced passenger amenities.
-
E.
R11 series
The R11 series was a small group of experimental New York City Subway prototype cars built in the late 1940s to test design features for future IND/BMT large-profile rolling stock.
- F. None of above. chosen
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.