DCSS
E930464
DCSS is the cryogenic upper stage used on United Launch Alliance’s Delta IV rockets to perform orbital insertion and mission maneuvers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| DCSS canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11509521 — 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: DCSS Context triple: [Delta IV upper stage, abbreviation, DCSS]
-
A.
DCSS
DCSS is the California state agency responsible for overseeing and administering child support services, including establishing, collecting, and distributing child support payments.
-
B.
California DCSS
California DCSS is the state agency responsible for overseeing and administering child support services and enforcement throughout California.
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C.
District of Columbia Office of the State Superintendent of Education
The District of Columbia Office of the State Superintendent of Education is the state education agency for Washington, D.C., responsible for overseeing public education standards, accountability, and funding across the district.
-
D.
Dallas School District
Dallas School District is a public school district serving students in and around the city of Dallas in Polk County, Oregon.
-
E.
Dallas Independent School District
Dallas Independent School District is one of the largest public school systems in Texas, serving students across much of the city of Dallas and several surrounding communities.
- 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: DCSS Target entity description: DCSS is the cryogenic upper stage used on United Launch Alliance’s Delta IV rockets to perform orbital insertion and mission maneuvers.
-
A.
DCSS
DCSS is the California state agency responsible for overseeing and administering child support services, including establishing, collecting, and distributing child support payments.
-
B.
California DCSS
California DCSS is the state agency responsible for overseeing and administering child support services and enforcement throughout California.
-
C.
District of Columbia Office of the State Superintendent of Education
The District of Columbia Office of the State Superintendent of Education is the state education agency for Washington, D.C., responsible for overseeing public education standards, accountability, and funding across the district.
-
D.
Dallas School District
Dallas School District is a public school district serving students in and around the city of Dallas in Polk County, Oregon.
-
E.
Dallas Independent School District
Dallas Independent School District is one of the largest public school systems in Texas, serving students across much of the city of Dallas and several surrounding communities.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
cryogenic upper stage
ⓘ
rocket stage ⓘ |
| abbreviationOf | Delta Cryogenic Second Stage ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| developedFor |
Delta IV launch system
ⓘ
linked to:
Delta IV
|
| engineManufacturer | Aerojet Rocketdyne ⓘ |
| engineTypeUsed |
RL10B-2
ⓘ
linked to:
RL10
|
| family | Delta Cryogenic Second Stage ⓘ |
| fuelTankType | common bulkhead ⓘ |
| guidanceSystem | inertial guidance ⓘ |
| hasConfigurationVariant |
4-meter DCSS
ⓘ
5-meter DCSS ⓘ |
| introducedWith |
Delta IV family
ⓘ
linked to:
Delta IV
|
| launchProvider | United Launch Alliance ⓘ |
| launchSiteUsedWith |
Cape Canaveral Space Force Station
ⓘ
Vandenberg Space Force Base ⓘ |
| manufacturer | Boeing ⓘ |
| operator | United Launch Alliance ⓘ |
| oxidizerType | liquid oxygen ⓘ |
| primaryFunction | orbital insertion ⓘ |
| propellantFeedSystem | pressure-fed helium pressurization ⓘ |
| propellantType | liquid hydrogen ⓘ |
| propulsionType | cryogenic ⓘ |
| restartCapability | multiple engine restarts ⓘ |
| secondaryFunction | mission maneuvers ⓘ |
| stageCountOnVehicle | second stage ⓘ |
| status | operational ⓘ |
| structureMaterial | aluminum-lithium alloy ⓘ |
| successorOrganizationOperator | United Launch Alliance ⓘ |
| typicalMissionRole |
deployment of satellites
ⓘ
inclination change maneuvers ⓘ payload orbit circularization ⓘ |
| usedFor |
geostationary transfer orbit missions
ⓘ
high-energy orbit missions ⓘ interplanetary missions ⓘ |
| usedOnLaunchVehicle |
Delta IV
ⓘ
Delta IV Heavy ⓘ Delta IV Medium ⓘ
linked to:
Delta IV
Delta IV Medium+ (4,2) ⓘ
linked to:
Delta IV
Delta IV Medium+ (5,2) ⓘ
linked to:
Delta IV
|
| usedOnPayloadClass |
interplanetary probes
ⓘ
military communications satellites ⓘ navigation satellites ⓘ scientific spacecraft ⓘ weather satellites ⓘ |
| usesEngineCycle | expander cycle ⓘ |
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: DCSS Description of subject: DCSS is the cryogenic upper stage used on United Launch Alliance’s Delta IV rockets to perform orbital insertion and mission maneuvers.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.