East Philippine Basin
E257339
The East Philippine Basin is a large oceanic basin in the western Pacific Ocean, lying east of the main Philippine Basin and characterized by deep-sea plains and complex tectonic features.
All labels observed (1)
| Label | Occurrences |
|---|---|
| East Philippine Basin canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2329525 — 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: East Philippine Basin Context triple: [Philippine Basin, adjacentTo, East Philippine Basin]
-
A.
West Philippine Basin
The West Philippine Basin is a large oceanic basin in the western Pacific Ocean, forming part of the complex tectonic and marine region east of the Philippines.
-
B.
Visayan Sea
The Visayan Sea is a central Philippine sea renowned for its rich fishing grounds and its location surrounded by the islands of the Visayas.
-
C.
Philippine Basin
The Philippine Basin is a large, deep oceanic basin in the western Pacific Ocean, lying east of the Philippines and forming part of the complex tectonic setting of the Philippine Sea region.
-
D.
Sibuyan Sea
The Sibuyan Sea is a marginal sea of the western Pacific Ocean in the central Philippines, known as the site of major World War II naval battles and shipwrecks.
-
E.
Philippine Sea
The Philippine Sea is a large marginal sea in the western Pacific Ocean, lying east of the Philippines and south of Japan, known for its deep ocean trenches and strategic importance.
- 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: East Philippine Basin Target entity description: The East Philippine Basin is a large oceanic basin in the western Pacific Ocean, lying east of the main Philippine Basin and characterized by deep-sea plains and complex tectonic features.
-
A.
West Philippine Basin
The West Philippine Basin is a large oceanic basin in the western Pacific Ocean, forming part of the complex tectonic and marine region east of the Philippines.
-
B.
Visayan Sea
The Visayan Sea is a central Philippine sea renowned for its rich fishing grounds and its location surrounded by the islands of the Visayas.
-
C.
Philippine Basin
The Philippine Basin is a large, deep oceanic basin in the western Pacific Ocean, lying east of the Philippines and forming part of the complex tectonic setting of the Philippine Sea region.
-
D.
Sibuyan Sea
The Sibuyan Sea is a marginal sea of the western Pacific Ocean in the central Philippines, known as the site of major World War II naval battles and shipwrecks.
-
E.
Philippine Sea
The Philippine Sea is a large marginal sea in the western Pacific Ocean, lying east of the Philippines and south of Japan, known for its deep ocean trenches and strategic importance.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
marine geographic region
ⓘ
oceanic basin ⓘ |
| boundedBy |
Caroline Plate region
ⓘ
Pacific Plate region ⓘ Philippine Basin ⓘ West Philippine Basin ⓘ |
| crustType | oceanic crust ⓘ |
| formedBy | oceanic crustal spreading ⓘ |
| hasAverageDepth | greater than 5000 m ⓘ |
| hasBathymetricCharacter | irregular seafloor topography ⓘ |
| hasGeologicalFeature |
abyssal plain
ⓘ
deep-sea plain ⓘ fracture zone ⓘ seamount ⓘ submarine ridge ⓘ transform fault ⓘ |
| hasMorphology | broad abyssal basin with ridges and seamounts ⓘ |
| hasResearchField |
geophysics
ⓘ
marine geology ⓘ plate tectonics ⓘ |
| hasScientificImportance |
constrains models of western Pacific plate motions
ⓘ
records history of Philippine Sea Plate evolution ⓘ |
| hasSeafloorAge | Mesozoic to early Cenozoic ⓘ |
| hasSedimentCover |
hemipelagic sediments
ⓘ
pelagic sediments ⓘ |
| hasTectonicSetting | complex plate boundary region ⓘ |
| influences | regional ocean circulation patterns in the Philippine Sea ⓘ |
| isOlderThan |
Philippine subduction system
ⓘ
surface form:
Philippine Sea Plate back-arc basins
|
| isRemoteFrom | continental margins ⓘ |
| isSubregionOf |
Northwest Pacific Ocean
ⓘ
surface form:
western North Pacific Ocean
|
| locatedEastOf | Philippine Basin ⓘ |
| locatedIn | western Pacific Ocean ⓘ |
| partOf | Philippine Sea ⓘ |
| studiedUsing |
bathymetric mapping
ⓘ
magnetic anomaly data ⓘ marine seismic surveys ⓘ |
| tectonicallyAssociatedWith |
Caroline Plate
ⓘ
Pacific Plate ⓘ Philippine Sea Plate ⓘ |
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: East Philippine Basin Description of subject: The East Philippine Basin is a large oceanic basin in the western Pacific Ocean, lying east of the main Philippine Basin and characterized by deep-sea plains and complex tectonic features.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.