Subi Reef

E283449

coral reef disputed territory low-tide elevation

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.

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All labels observed (2)

Label	Occurrences
Fiery Cross Reef	2
Subi Reef canonical	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, Province of China ⓘ surface form: Taiwan Viet Nam ⓘ surface form: Vietnam
constructedBy	Chinese dredging vessels ⓘ
controlledBy	China ⓘ
countryClaimedAs	China ⓘ surface form: People's Republic of China Republic of China ⓘ surface form: Republic of China (Taiwan) Philippines ⓘ surface form: Republic of the Philippines Viet Nam ⓘ surface form: Socialist Republic of Vietnam
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 ⓘ surface form: Western Pacific Ocean
militaryPresence	People's Liberation Army ⓘ surface form: People's Liberation Army forces
near	Loaita Island ⓘ surface form: Pag-asa 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	Philippines v. China (PCA case) ⓘ surface form: South China Sea arbitration case (Philippines v. China)

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Spratly Islands → contains → Subi Reef ⓘ

Johnson South Reef → nearbyFeatures → Subi Reef ⓘ

this entity surface form: Fiery Cross Reef

Philippines v. China (PCA case) → concernsFeature → Subi Reef ⓘ