Subi Reef
E283449
Subi Reef is a low-tide coral reef in the disputed Spratly Islands of the South China Sea, known for extensive land reclamation and military infrastructure built by China.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Subi Reef canonical | 3 |
| Fiery Cross Reef | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2583051 — 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: Subi Reef Context triple: [Spratly Islands, contains, Subi Reef]
-
A.
Runamukka Reef
Runamukka Reef is a family-friendly water play area at Universal’s Volcano Bay themed as a whimsical tropical reef with interactive water features and slides for children.
-
B.
Marion Reef
Marion Reef is a large coral reef formation in the Coral Sea off the coast of northeastern Australia, known for its rich marine biodiversity and remote location.
-
C.
Andros Barrier Reef
The Andros Barrier Reef is one of the world’s largest and most pristine barrier reef systems, renowned for its rich marine biodiversity and extensive coral formations off the coast of Andros Island in the Bahamas.
-
D.
Mischief Reef
Mischief Reef is a low-tide coral atoll in the disputed Spratly Islands of the South China Sea, known for extensive land reclamation and military construction by China amid overlapping territorial claims.
-
E.
Chuuk Lagoon
Chuuk Lagoon is a large coral atoll in the central Pacific Ocean, part of the Federated States of Micronesia, renowned for its numerous World War II shipwrecks and status as a premier wreck-diving destination.
- 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: Subi Reef Target entity description: Subi Reef is a low-tide coral reef in the disputed Spratly Islands of the South China Sea, known for extensive land reclamation and military infrastructure built by China.
-
A.
Runamukka Reef
Runamukka Reef is a family-friendly water play area at Universal’s Volcano Bay themed as a whimsical tropical reef with interactive water features and slides for children.
-
B.
Marion Reef
Marion Reef is a large coral reef formation in the Coral Sea off the coast of northeastern Australia, known for its rich marine biodiversity and remote location.
-
C.
Andros Barrier Reef
The Andros Barrier Reef is one of the world’s largest and most pristine barrier reef systems, renowned for its rich marine biodiversity and extensive coral formations off the coast of Andros Island in the Bahamas.
-
D.
Mischief Reef
Mischief Reef is a low-tide coral atoll in the disputed Spratly Islands of the South China Sea, known for extensive land reclamation and military construction by China amid overlapping territorial claims.
-
E.
Chuuk Lagoon
Chuuk Lagoon is a large coral atoll in the central Pacific Ocean, part of the Federated States of Micronesia, renowned for its numerous World War II shipwrecks and status as a premier wreck-diving destination.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
coral reef
ⓘ
disputed territory ⓘ low-tide elevation ⓘ |
| administeredBy | China ⓘ |
| airstripLength | approximately 3,000 meters ⓘ |
| claimedBy |
China
ⓘ
Philippines ⓘ Taiwan ⓘ
linked to:
Taiwan, Province of China
Vietnam ⓘ
linked to:
Viet Nam
|
| constructedBy | Chinese dredging vessels ⓘ |
| controlledBy | China ⓘ |
| countryClaimedAs |
People's Republic of China
ⓘ
linked to:
China
Republic of China (Taiwan) ⓘ
linked to:
Republic of China
Republic of the Philippines ⓘ
linked to:
Philippines
Socialist Republic of Vietnam ⓘ
linked to:
Viet Nam
|
| disputeParties |
China and Taiwan
ⓘ
China and Vietnam ⓘ China and the Philippines ⓘ |
| disputeType | maritime territorial dispute ⓘ |
| distanceTo | near the Philippines' Exclusive Economic Zone ⓘ |
| environment | coral reef ecosystem ⓘ |
| environmentalIssue |
habitat loss
ⓘ
reef destruction due to dredging ⓘ |
| geopoliticalStatus | highly disputed ⓘ |
| hasFeature |
artificial island
ⓘ
defensive fortifications ⓘ harbor facilities ⓘ lighthouse ⓘ military airstrip ⓘ radar installations ⓘ |
| hasUse |
military
ⓘ
strategic outpost ⓘ |
| knownFor |
Chinese military facilities
ⓘ
artificial island construction ⓘ extensive land reclamation by China ⓘ |
| legalStatus |
classified as low-tide elevation by the 2016 PCA award
ⓘ
does not generate its own territorial sea under UNCLOS according to 2016 PCA award ⓘ |
| locatedIn |
South China Sea
ⓘ
Spratly Islands ⓘ Western Pacific Ocean ⓘ
linked to:
western Pacific Ocean
|
| militaryPresence |
People's Liberation Army forces
ⓘ
linked to:
People's Liberation Army
|
| near |
Pag-asa Island
ⓘ
linked to:
Loaita Island
Thitu Island ⓘ |
| partOf |
Nansha Islands
ⓘ
disputed areas of the South China Sea ⓘ |
| region | Southeast Asia ⓘ |
| strategicImportance |
control of sea lanes in the South China Sea
ⓘ
proximity to Philippine-held features ⓘ |
| subjectOf |
South China Sea arbitration case (Philippines v. China)
ⓘ
linked to:
Philippines v. China (PCA case)
|
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: Subi Reef Description of subject: Subi Reef is a low-tide coral reef in the disputed Spratly Islands of the South China Sea, known for extensive land reclamation and military infrastructure built by China.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Subi Reef
linked to: Subi Reef