D-2500
E857519
D-2500 was the German civil-registered prototype and primary example of the Junkers G 38, a large all-metal four-engine transport aircraft of the late 1920s and early 1930s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| D-2500 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10297948 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: D-2500 Context triple: [Junkers G 38, civilRegistration, D-2500]
-
A.
D-2000
D-2000 was the civil registration of the pioneering German Junkers G 38, one of the largest and most distinctive all-metal airliners of the late 1920s and early 1930s.
-
B.
DSS-25
DSS-25 is a large, high-gain radio antenna at NASA’s Goldstone Deep Space Communications Complex used for tracking and communicating with interplanetary spacecraft.
-
C.
D-2
D-2 was a 1993 German-led Spacelab space shuttle mission focused on microgravity and life sciences research in low Earth orbit.
-
D.
D 950
D 950 is Franz Schubert’s expansive and deeply expressive Piano Sonata No. 21 in B-flat major, one of his final and most celebrated works for solo piano.
-
E.
D-358
D-358 was the pennant number assigned in Turkish naval service to the former USS Buchanan, a U.S. Navy destroyer transferred to Turkey.
- 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: D-2500 Target entity description: D-2500 was the German civil-registered prototype and primary example of the Junkers G 38, a large all-metal four-engine transport aircraft of the late 1920s and early 1930s.
-
A.
D-2000
D-2000 was the civil registration of the pioneering German Junkers G 38, one of the largest and most distinctive all-metal airliners of the late 1920s and early 1930s.
-
B.
DSS-25
DSS-25 is a large, high-gain radio antenna at NASA’s Goldstone Deep Space Communications Complex used for tracking and communicating with interplanetary spacecraft.
-
C.
D-2
D-2 was a 1993 German-led Spacelab space shuttle mission focused on microgravity and life sciences research in low Earth orbit.
-
D.
D 950
D 950 is Franz Schubert’s expansive and deeply expressive Piano Sonata No. 21 in B-flat major, one of his final and most celebrated works for solo piano.
-
E.
D-358
D-358 was the pennant number assigned in Turkish naval service to the former USS Buchanan, a U.S. Navy destroyer transferred to Turkey.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Junkers G 38
ⓘ
aircraft ⓘ prototype aircraft ⓘ |
| aircraftCategory | large aircraft ⓘ |
| aircraftConfiguration | four‑engine ⓘ |
| aircraftConstruction | all‑metal ⓘ |
| aircraftDesigner | Hugo Junkers NERFINISHED ⓘ |
| aircraftFamily | Junkers G 38 NERFINISHED ⓘ |
| aircraftType | transport aircraft ⓘ |
| airframeMaterial | metal ⓘ |
| countryOfRegistration | Germany NERFINISHED ⓘ |
| designedInCountry | Germany NERFINISHED ⓘ |
| designFeature |
multi‑engine long‑range capability
ⓘ
thick wing with passenger accommodation ⓘ |
| engineCount | 4 ⓘ |
| era |
early 1930s
ⓘ
late 1920s ⓘ |
| historicalSignificance | one of the largest landplanes of its era ⓘ |
| manufacturer |
Junkers
NERFINISHED
ⓘ
Junkers Flugzeugwerk NERFINISHED ⓘ |
| notableCharacteristic | primary example of the Junkers G 38 type ⓘ |
| operatedAs | long‑range airliner ⓘ |
| operatedInDecade | 1930s ⓘ |
| powerplantType | piston engine ⓘ |
| primaryRole | civil transport ⓘ |
| registrationPrefix | D- ⓘ |
| registrationType | civil registration ⓘ |
| usedFor |
mail transport
ⓘ
passenger transport ⓘ |
| wingConfiguration | low‑wing monoplane ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: D-2500 Description of subject: D-2500 was the German civil-registered prototype and primary example of the Junkers G 38, a large all-metal four-engine transport aircraft of the late 1920s and early 1930s.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.