Mobile Base System rail platform
E259980
The Mobile Base System rail platform is a movable work platform on the International Space Station that allows the Canadarm2 robotic arm and astronauts to travel along the station’s truss for construction, maintenance, and payload handling.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mobile Base Crawler | 1 |
| Mobile Base System rail platform canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2372678 — 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: Mobile Base System rail platform Context triple: [Mobile Servicing System, notableElement, Mobile Base System rail platform]
-
A.
ExpressRail system
The ExpressRail system is a dedicated on-dock rail network at the Port of New York and New Jersey that moves containerized cargo efficiently between marine terminals and inland destinations.
-
B.
RTA Marine transport system
The RTA Marine transport system is Dubai’s government-operated network of water-based public transit services, including water buses, abras, and water taxis, that connect key locations along the city’s waterways.
-
C.
Automated People Mover System
The Automated People Mover System at Orlando International Airport is a driverless transit system that shuttles passengers quickly between terminals, gates, and the main terminal complex.
-
D.
Port Liner automated guideway transit system
The Port Liner automated guideway transit system is a driverless urban transit line in Kobe, Japan, known for being one of the world’s first fully automated rail systems and for linking central Kobe with Port Island and Kobe Airport.
-
E.
Sistema de Tren Eléctrico Urbano
Sistema de Tren Eléctrico Urbano is the public agency that operates and manages the electric light rail and related urban rail services in the Guadalajara metropolitan area of Mexico.
- 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: Mobile Base System rail platform Target entity description: The Mobile Base System rail platform is a movable work platform on the International Space Station that allows the Canadarm2 robotic arm and astronauts to travel along the station’s truss for construction, maintenance, and payload handling.
-
A.
ExpressRail system
The ExpressRail system is a dedicated on-dock rail network at the Port of New York and New Jersey that moves containerized cargo efficiently between marine terminals and inland destinations.
-
B.
RTA Marine transport system
The RTA Marine transport system is Dubai’s government-operated network of water-based public transit services, including water buses, abras, and water taxis, that connect key locations along the city’s waterways.
-
C.
Automated People Mover System
The Automated People Mover System at Orlando International Airport is a driverless transit system that shuttles passengers quickly between terminals, gates, and the main terminal complex.
-
D.
Port Liner automated guideway transit system
The Port Liner automated guideway transit system is a driverless urban transit line in Kobe, Japan, known for being one of the world’s first fully automated rail systems and for linking central Kobe with Port Island and Kobe Airport.
-
E.
Sistema de Tren Eléctrico Urbano
Sistema de Tren Eléctrico Urbano is the public agency that operates and manages the electric light rail and related urban rail services in the Guadalajara metropolitan area of Mexico.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
International Space Station component
ⓘ
mobile work platform ⓘ |
| associatedWith |
Canadarm2
ⓘ
surface form:
Canadarm Mobile Servicing System
Canadarm2 ⓘ Special Purpose Dexterous Manipulator ⓘ |
| designedFor |
construction operations
ⓘ
maintenance operations ⓘ payload handling ⓘ transport of Canadarm2 ⓘ transport of astronauts ⓘ |
| developedBy | Canadian Space Agency ⓘ |
| enables |
translation of Canadarm2 along ISS truss
ⓘ
translation of astronauts along ISS truss ⓘ |
| environment | low Earth orbit ⓘ |
| function |
extend reach of Canadarm2 across ISS truss
ⓘ
provide stable base for robotic operations ⓘ |
| hasAttachmentPointFor |
Canadarm2
ⓘ
Special Purpose Dexterous Manipulator ⓘ |
| locatedOn | International Space Station ⓘ |
| mountedOn |
ISS US Orbital Segment
ⓘ
surface form:
ISS truss
P3/P4 truss segment ⓘ
surface form:
Integrated Truss Structure
|
| movesAlong | truss rails ⓘ |
| operatedBy |
Canadarm2
ⓘ
ISS crew ⓘ ground controllers ⓘ |
| operatesIn | microgravity environment ⓘ |
| partOf |
Mobile Base System
ⓘ
Mobile Servicing System ⓘ |
| supports |
data connections
ⓘ
power connections ⓘ video connections ⓘ |
| usedBy |
Canadian Space Agency
ⓘ
International Space Station partner agencies ⓘ NASA ⓘ |
| usedFor |
external ISS assembly
ⓘ
external ISS maintenance ⓘ positioning of astronauts during spacewalks ⓘ positioning of robotic arm for payload operations ⓘ |
| usedOn |
ISS US Orbital Segment
ⓘ
surface form:
United States Orbital Segment
|
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: Mobile Base System rail platform Description of subject: The Mobile Base System rail platform is a movable work platform on the International Space Station that allows the Canadarm2 robotic arm and astronauts to travel along the station’s truss for construction, maintenance, and payload handling.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mobile Base Crawler