Triple
T2940147
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | IND |
E79364
|
entity |
| Predicate | rollingStockType |
P1305
|
FINISHED |
| Object |
IND/BMT large-profile cars
IND/BMT large-profile cars are New York City Subway rolling stock built to wider, larger dimensions for use on the IND and BMT divisions’ lettered lines.
|
E311261
|
NE FINISHED |
How this triple was built (4 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: IND/BMT large-profile cars | Statement: [IND, rollingStockType, IND/BMT large-profile cars]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: IND/BMT large-profile cars Context triple: [IND, rollingStockType, IND/BMT large-profile cars]
-
A.
PA-3 railcars
The PA-3 railcars are a series of electric multiple-unit subway cars used on the PATCO Speedline rapid transit system serving the Philadelphia–Camden region.
-
B.
PA-2 railcars
The PA-2 railcars are a generation of electric multiple-unit subway cars built for and operated on the PATCO Speedline rapid transit system serving the Philadelphia–South Jersey region.
-
C.
PA-1 railcars
The PA-1 railcars are an early generation of electric multiple-unit subway cars built for and operated on the PATCO Speedline rapid transit system serving the Philadelphia–South Jersey region.
-
D.
Amfleet railcar family
The Amfleet railcar family is a series of stainless-steel, tubular passenger coaches built by Budd for Amtrak in the 1970s and 1980s, widely used on intercity and regional routes across the United States.
-
E.
Superliner bi-level cars
Superliner bi-level cars are double-decker passenger railcars used by Amtrak on long-distance routes, designed to provide increased capacity and enhanced comfort for overnight and scenic train travel.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: IND/BMT large-profile cars Triple: [IND, rollingStockType, IND/BMT large-profile cars]
Generated description
IND/BMT large-profile cars are New York City Subway rolling stock built to wider, larger dimensions for use on the IND and BMT divisions’ lettered lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: IND/BMT large-profile cars Target entity description: IND/BMT large-profile cars are New York City Subway rolling stock built to wider, larger dimensions for use on the IND and BMT divisions’ lettered lines.
-
A.
PA-3 railcars
The PA-3 railcars are a series of electric multiple-unit subway cars used on the PATCO Speedline rapid transit system serving the Philadelphia–Camden region.
-
B.
PA-2 railcars
The PA-2 railcars are a generation of electric multiple-unit subway cars built for and operated on the PATCO Speedline rapid transit system serving the Philadelphia–South Jersey region.
-
C.
PA-1 railcars
The PA-1 railcars are an early generation of electric multiple-unit subway cars built for and operated on the PATCO Speedline rapid transit system serving the Philadelphia–South Jersey region.
-
D.
Amfleet railcar family
The Amfleet railcar family is a series of stainless-steel, tubular passenger coaches built by Budd for Amtrak in the 1970s and 1980s, widely used on intercity and regional routes across the United States.
-
E.
Superliner bi-level cars
Superliner bi-level cars are double-decker passenger railcars used by Amtrak on long-distance routes, designed to provide increased capacity and enhanced comfort for overnight and scenic train travel.
- F. None of above. chosen
Provenance (5 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_69ad8b0fbab081908f6a61567c045d8d |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad986f38948190a636a826693a9d4f |
completed | March 8, 2026, 3:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b08686b0388190a214ad8a615f2da5 |
completed | March 10, 2026, 9 p.m. |
| NEDg | Description generation | batch_69b0d312b82c81908abbb005560b89a0 |
completed | March 11, 2026, 2:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b0d392b8cc8190804a1bf06785d7d0 |
completed | March 11, 2026, 2:29 a.m. |
Created at: March 8, 2026, 2:56 p.m.