AREX
E467931
AREX is a South Korean airport railroad line that provides rapid rail transit between central Seoul and its major airports, including Gimpo and Incheon.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T4749888 — 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: AREX Context triple: [Gimpo International Airport, connectedBy, AREX]
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A.
REX
REX is a radio science experiment instrument aboard NASA's New Horizons spacecraft used to study the atmospheres and surfaces of planetary bodies through radio signal measurements.
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B.
AKX
AKX is the IATA airport code for Aktobe International Airport in Aktobe, Kazakhstan.
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C.
ARCX
ARCX is the Market Identifier Code for the NYSE Arca exchange, an electronic securities trading platform operated by the New York Stock Exchange.
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D.
Arcop
Arcop was a prominent Canadian architectural firm known for its modernist designs and major cultural and institutional projects across Canada.
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E.
AXS
AXS is a digital ticketing and event management platform known for selling and distributing tickets for sports, concerts, and live entertainment events.
- 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: AREX Target entity description: AREX is a South Korean airport railroad line that provides rapid rail transit between central Seoul and its major airports, including Gimpo and Incheon.
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A.
REX
REX is a radio science experiment instrument aboard NASA's New Horizons spacecraft used to study the atmospheres and surfaces of planetary bodies through radio signal measurements.
-
B.
AKX
AKX is the IATA airport code for Aktobe International Airport in Aktobe, Kazakhstan.
-
C.
ARCX
ARCX is the Market Identifier Code for the NYSE Arca exchange, an electronic securities trading platform operated by the New York Stock Exchange.
-
D.
Arcop
Arcop was a prominent Canadian architectural firm known for its modernist designs and major cultural and institutional projects across Canada.
-
E.
AXS
AXS is a digital ticketing and event management platform known for selling and distributing tickets for sports, concerts, and live entertainment events.
- F. None of above. chosen
Statements (49)
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: AREX Description of subject: AREX is a South Korean airport railroad line that provides rapid rail transit between central Seoul and its major airports, including Gimpo and Incheon.
Referenced by (29)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Incheon Subway
subject linked to:
RKSS
subject linked to:
Line 1
subject linked to:
Line 5
linked to: AREX
subject linked to:
Incheon Airport Railroad (AREX)