Triple
T1791859
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amfleet II coach |
E39513
|
entity |
| Predicate | coupling |
P3984
|
FINISHED |
| Object |
Janney coupler
The Janney coupler is a widely used automatic railway coupling system designed to securely connect train cars while improving safety and ease of operation compared to earlier link-and-pin couplers.
|
E202239
|
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: Janney coupler | Statement: [Amfleet II coach, coupling, Janney coupler]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Janney coupler Context triple: [Amfleet II coach, coupling, Janney coupler]
-
A.
Dellner automatic couplers
Dellner automatic couplers are railway vehicle coupling systems designed to automatically connect and disconnect train units, commonly used on modern multiple-unit fleets such as the Bombardier Voyager family.
-
B.
Harold Interlocking
Harold Interlocking is a major and complex railroad junction in Queens, New York, that serves as a key convergence point for Long Island Rail Road and Amtrak trains heading into and out of Penn Station.
-
C.
Janney
Janney is the surname of acclaimed American actress Allison Janney, known for her versatile performances in film, television, and theater.
-
D.
Westinghouse air brake system
The Westinghouse air brake system is a pioneering railway braking technology that greatly improved the safety and control of trains by using compressed air to apply brakes simultaneously across all cars.
-
E.
Lowell Connector
The Lowell Connector is a short freeway spur in Lowell, Massachusetts, that links the city to the larger interstate highway network.
- 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: Janney coupler Triple: [Amfleet II coach, coupling, Janney coupler]
Generated description
The Janney coupler is a widely used automatic railway coupling system designed to securely connect train cars while improving safety and ease of operation compared to earlier link-and-pin couplers.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Janney coupler Target entity description: The Janney coupler is a widely used automatic railway coupling system designed to securely connect train cars while improving safety and ease of operation compared to earlier link-and-pin couplers.
-
A.
Dellner automatic couplers
Dellner automatic couplers are railway vehicle coupling systems designed to automatically connect and disconnect train units, commonly used on modern multiple-unit fleets such as the Bombardier Voyager family.
-
B.
Harold Interlocking
Harold Interlocking is a major and complex railroad junction in Queens, New York, that serves as a key convergence point for Long Island Rail Road and Amtrak trains heading into and out of Penn Station.
-
C.
Janney
Janney is the surname of acclaimed American actress Allison Janney, known for her versatile performances in film, television, and theater.
-
D.
Westinghouse air brake system
The Westinghouse air brake system is a pioneering railway braking technology that greatly improved the safety and control of trains by using compressed air to apply brakes simultaneously across all cars.
-
E.
Lowell Connector
The Lowell Connector is a short freeway spur in Lowell, Massachusetts, that links the city to the larger interstate highway network.
- 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_69a88631854081909723959921e45c2b |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69aa65392b2c81909bf4d619bd347f54 |
completed | March 6, 2026, 5:25 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adb5d063d48190aef6796ee3957994 |
completed | March 8, 2026, 5:45 p.m. |
| NEDg | Description generation | batch_69adb8b54a5081908b7dba1ff0d1a8da |
completed | March 8, 2026, 5:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adb9b7a32481908a11686d658a077a |
completed | March 8, 2026, 6:02 p.m. |
Created at: March 4, 2026, 7:32 p.m.