West Philippine Basin
E255923
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| West Philippine Basin canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T2329504 — 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: West Philippine Basin Context triple: [Philippine Basin, locatedWestOf, West Philippine Basin]
-
A.
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.
-
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.
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.
-
D.
Samar Sea
The Samar Sea is a small sea in the central Philippines, bordered by the islands of Samar, Masbate, Leyte, and others, and known for its rich marine biodiversity and fishing grounds.
-
E.
Mindanao Sea region
The Mindanao Sea region is a maritime area in the southern Philippines encompassing the waters around Mindanao and nearby islands, known for its rich marine biodiversity and strategic shipping routes.
- 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: West Philippine Basin Target entity description: 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.
-
A.
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.
-
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.
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.
-
D.
Samar Sea
The Samar Sea is a small sea in the central Philippines, bordered by the islands of Samar, Masbate, Leyte, and others, and known for its rich marine biodiversity and fishing grounds.
-
E.
Mindanao Sea region
The Mindanao Sea region is a maritime area in the southern Philippines encompassing the waters around Mindanao and nearby islands, known for its rich marine biodiversity and strategic shipping routes.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
geologic region
ⓘ
oceanic basin ⓘ |
| basinType | back-arc basin ⓘ |
| boundedBy |
Caroline Ridge
ⓘ
Izu–Bonin Arc ⓘ
surface form:
Izu-Bonin-Mariana arc system
Kyushu–Palau Ridge system ⓘ
surface form:
Palau-Kyushu Ridge
Philippine Trench ⓘ |
| containsFeature |
abyssal plain
ⓘ
fracture zones ⓘ seamounts ⓘ |
| countryOffshoreFrom |
Japan
ⓘ
Philippines ⓘ |
| crustType | oceanic crust ⓘ |
| formedAsPartOf | evolution of Philippine Sea Plate ⓘ |
| formedBy | seafloor spreading ⓘ |
| geologicalActivity |
plate convergence
ⓘ
seismicity associated with nearby trenches ⓘ |
| hasLegalInterestFor |
Philippines
ⓘ
neighboring Pacific states ⓘ |
| isImportantFor |
regional plate reconstructions
ⓘ
understanding western Pacific tectonics ⓘ |
| locatedEastOf | Philippines ⓘ |
| locatedIn | western Pacific Ocean ⓘ |
| near |
Caroline Plate
ⓘ
East Philippine Basin ⓘ Philippine Trench ⓘ |
| ocean | Pacific Ocean ⓘ |
| partOf |
Philippine Sea
ⓘ
Philippine Sea Plate ⓘ |
| region | western Pacific ⓘ |
| relativeLocation |
east of Luzon
ⓘ
east of Mindanao ⓘ north of Caroline Islands ⓘ south of Japan ⓘ |
| researchField |
marine geology
ⓘ
plate tectonics ⓘ |
| seafloorAge | Mesozoic to Cenozoic ⓘ |
| seafloorDepth | deep ocean basin ⓘ |
| studiedBy |
marine geophysicists
ⓘ
oceanographers ⓘ |
| tectonicSetting |
complex convergent margin
ⓘ
subduction zone environment ⓘ |
| waterBodyType | marine basin ⓘ |
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: West Philippine Basin Description of subject: 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.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.