PLSS
E1031253
PLSS is the backpack-like subsystem in a spacesuit that provides astronauts with oxygen, temperature control, and removal of carbon dioxide during extravehicular activities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| PLSS canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13266912 — 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: PLSS Context triple: [Portable Life Support System, alsoKnownAs, PLSS]
-
A.
Public Land Survey System
The Public Land Survey System is a standardized method used in the United States to divide and describe land into rectangular parcels for ownership and development.
-
B.
Nevada land survey system
The Nevada land survey system is a cadastral framework used to define and organize land boundaries and property descriptions across the state of Nevada.
-
C.
North American Datum of 1927
The North American Datum of 1927 is a geodetic reference system that long served as the standard coordinate framework for mapping and surveying in North America before being superseded by more modern datums.
-
D.
Pleasant Plains
Pleasant Plains is a residential neighborhood on Staten Island’s South Shore known for its suburban character and access to the Staten Island Railway.
-
E.
Pleasant Plains
Pleasant Plains is a residential neighborhood in Washington, D.C., known for its historic rowhouses and proximity to Howard University.
- 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: PLSS Target entity description: PLSS is the backpack-like subsystem in a spacesuit that provides astronauts with oxygen, temperature control, and removal of carbon dioxide during extravehicular activities.
-
A.
Public Land Survey System
The Public Land Survey System is a standardized method used in the United States to divide and describe land into rectangular parcels for ownership and development.
-
B.
Nevada land survey system
The Nevada land survey system is a cadastral framework used to define and organize land boundaries and property descriptions across the state of Nevada.
-
C.
North American Datum of 1927
The North American Datum of 1927 is a geodetic reference system that long served as the standard coordinate framework for mapping and surveying in North America before being superseded by more modern datums.
-
D.
Pleasant Plains
Pleasant Plains is a residential neighborhood in Washington, D.C., known for its historic rowhouses and proximity to Howard University.
-
E.
Pleasant Plains
Pleasant Plains is a residential neighborhood on Staten Island’s South Shore known for its suburban character and access to the Staten Island Railway.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
life support system
ⓘ
spacesuit subsystem ⓘ |
| componentOf |
extravehicular mobility unit
ⓘ
linked to:
Shuttle Extravehicular Mobility Unit
|
| connectedTo |
liquid cooling and ventilation garment
ⓘ
spacesuit helmet ⓘ |
| contains |
batteries
ⓘ
carbon dioxide scrubbers ⓘ fans ⓘ heat exchanger ⓘ oxygen tanks ⓘ pumps ⓘ |
| controls |
cooling water flow
ⓘ
gas flow rate ⓘ suit pressure ⓘ |
| criticalFor | astronaut survival during EVA ⓘ |
| designedTo | operate independently of spacecraft life support ⓘ |
| ensures |
breathable atmosphere for astronaut
ⓘ
removal of metabolic waste gases ⓘ thermal comfort for astronaut ⓘ |
| environment |
extreme temperature variations
ⓘ
low-pressure environment ⓘ microgravity ⓘ |
| fullName |
Primary Life Support System
ⓘ
linked to:
Portable Life Support System
|
| hasSubsystem |
carbon dioxide removal subsystem
ⓘ
control and instrumentation subsystem ⓘ oxygen supply subsystem ⓘ power subsystem ⓘ thermal control subsystem ⓘ |
| monitoredBy |
astronaut suit controls
ⓘ
spacecraft systems ⓘ |
| mountedOn | spacesuit backpack ⓘ |
| operatesIn | vacuum of space ⓘ |
| provides |
cooling
ⓘ
oxygen ⓘ temperature control ⓘ ventilation ⓘ |
| removes |
carbon dioxide
ⓘ
water vapor ⓘ |
| supports | spacewalks ⓘ |
| usedBy | astronaut ⓘ |
| usedFor | extravehicular activity ⓘ |
| usedOn |
Apollo spacesuits
ⓘ
International Space Station spacewalks ⓘ NASA spacesuits ⓘ Space Shuttle EMU ⓘ
linked to:
Shuttle Extravehicular Mobility Unit
|
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: PLSS Description of subject: PLSS is the backpack-like subsystem in a spacesuit that provides astronauts with oxygen, temperature control, and removal of carbon dioxide during extravehicular activities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.