Triple
T17815797
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA 2400-series railcars |
E444836
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Boeing-Vertol |
—
|
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: Boeing-Vertol | Statement: [CTA 2400-series railcars, manufacturer, Boeing-Vertol]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boeing-Vertol Context triple: [CTA 2400-series railcars, manufacturer, Boeing-Vertol]
-
A.
Boeing Vertol
chosen
Boeing Vertol was the helicopter division of Boeing best known for designing and producing military and civilian rotorcraft, including the iconic tandem-rotor Chinook series.
-
B.
Bell Helicopter
Bell Helicopter is an American aerospace manufacturer best known for its development of iconic military and civilian helicopters, including the widely used UH-1 "Huey."
-
C.
Robinson Helicopter Company
Robinson Helicopter Company is an American manufacturer known for producing popular light civilian helicopters such as the R22 and R44.
-
D.
McDonnell Douglas Helicopter Systems
McDonnell Douglas Helicopter Systems was an American aerospace manufacturer known for producing military and civilian helicopters, later becoming part of Boeing through corporate mergers.
-
E.
Leonardo Helicopters
Leonardo Helicopters is the helicopter division of the Italian aerospace and defense company Leonardo S.p.A., known for designing and manufacturing civil and military rotary-wing aircraft.
- 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_69d8b9f0de78819099395b14db75a8a6 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e4887f7d048190b6d813b9f0fab3e7 |
completed | April 19, 2026, 7:47 a.m. |
Created at: April 10, 2026, 10:14 a.m.