Triple
T8542929
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Janney coupler |
E202239
|
entity |
| Predicate | alsoKnownAs |
P39
|
FINISHED |
| Object | AAR coupler |
E202239
|
NE FINISHED |
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: AAR coupler | Statement: [Janney coupler, alsoKnownAs, AAR coupler]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: AAR coupler Context triple: [Janney coupler, alsoKnownAs, AAR 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.
Scharfenberg coupler
The Scharfenberg coupler is an automatic railway coupling system widely used on modern passenger trains to quickly connect and disconnect cars while integrating mechanical, pneumatic, and electrical links.
-
C.
Janney coupler
chosen
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.
-
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.
PA5 railcar
The PA5 railcar is a modern electric multiple unit train used on the PATH rapid transit system serving New York and New Jersey.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca832461e88190a654c5e44e233aa8 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe6e26be48190b10bc62fad178dad |
completed | March 31, 2026, 3:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cebb7b60d88190a22ebf69696cd8e5 |
completed | April 2, 2026, 6:54 p.m. |
Created at: March 30, 2026, 6:18 p.m.