Delta I
E435890
Delta I was an early American expendable launch vehicle developed in the 1960s as part of the Delta rocket family, used primarily to place small scientific and communications satellites into orbit.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Delta I canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4389267 — 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: Delta I Context triple: [RP-1, usedIn, Delta I]
-
A.
Delta
Delta is a suburban coastal municipality in British Columbia, Canada, known for its agricultural lands, wetlands, and role as part of the Greater Vancouver area.
-
B.
Delta
Delta is a small city in central Utah known historically for agriculture, nearby fossil sites, and its proximity to the former Topaz War Relocation Center.
-
C.
Delta
Delta is a station on the Brussels Metro system in Belgium, serving as a transit point for passengers within the city's rapid transit network.
-
D.
DELTA
DELTA is the radio callsign used by pilots and air traffic control to identify and communicate with Delta Air Lines flights.
-
E.
Po Delta
The Po Delta is a vast, low-lying river delta in northeastern Italy where the Po River empties into the Adriatic Sea, known for its wetlands, biodiversity, and agricultural landscapes.
- 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: Delta I Target entity description: Delta I was an early American expendable launch vehicle developed in the 1960s as part of the Delta rocket family, used primarily to place small scientific and communications satellites into orbit.
-
A.
Delta
Delta is a suburban coastal municipality in British Columbia, Canada, known for its agricultural lands, wetlands, and role as part of the Greater Vancouver area.
-
B.
Delta
Delta is a small city in central Utah known historically for agriculture, nearby fossil sites, and its proximity to the former Topaz War Relocation Center.
-
C.
Delta
Delta is a station on the Brussels Metro system in Belgium, serving as a transit point for passengers within the city's rapid transit network.
-
D.
DELTA
DELTA is the radio callsign used by pilots and air traffic control to identify and communicate with Delta Air Lines flights.
-
E.
Po Delta
The Po Delta is a vast, low-lying river delta in northeastern Italy where the Po River empties into the Adriatic Sea, known for its wetlands, biodiversity, and agricultural landscapes.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Delta rocket variant
ⓘ
expendable launch vehicle ⓘ orbital launch vehicle ⓘ |
| configuration | three-stage launch vehicle ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| derivedFrom | Thor intermediate-range ballistic missile NERFINISHED ⓘ |
| developedBy | Douglas Aircraft Company NERFINISHED ⓘ |
| era | 1960s ⓘ |
| family | Delta rockets ⓘ |
| firstFlightDate | 1962 ⓘ |
| fuelTypeFirstStage | kerosene (RP-1) ⓘ |
| launchCapability |
geosynchronous transfer orbit
ⓘ
low Earth orbit ⓘ |
| launchSitesUsed |
Cape Canaveral Air Force Station
NERFINISHED
ⓘ
Cape Canaveral Launch Complex 17 NERFINISHED ⓘ |
| launchType | expendable launch system ⓘ |
| launchVehicleFamilyRole | early member of Delta series ⓘ |
| manufacturer | Douglas Aircraft Company NERFINISHED ⓘ |
| missionProfile | orbital satellite deployment ⓘ |
| operatedBy |
NASA
ⓘ
United States Air Force ⓘ |
| oxidizerFirstStage | liquid oxygen ⓘ |
| partOf | Delta rocket family NERFINISHED ⓘ |
| propulsionType | liquid-fueled launch vehicle ⓘ |
| reusability | non-reusable ⓘ |
| status | retired ⓘ |
| upperStageType | Delta upper stage ⓘ |
| usedFor |
launching communications satellites
ⓘ
launching small scientific satellites ⓘ |
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: Delta I Description of subject: Delta I was an early American expendable launch vehicle developed in the 1960s as part of the Delta rocket family, used primarily to place small scientific and communications satellites into orbit.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.