BRP Sierra Madre
E943729
BRP Sierra Madre is a grounded Philippine Navy ship that serves as a military outpost asserting the Philippines’ territorial claims in the disputed Second Thomas Shoal in the South China Sea.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BRP Sierra Madre canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11759750 — 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: BRP Sierra Madre Context triple: [Second Thomas Shoal, garrisonVessel, BRP Sierra Madre]
-
A.
Doxa (D-20)
Doxa (D-20) was a former U.S. Navy Gleaves-class destroyer transferred to the Hellenic Navy, where it served under its new name.
-
B.
FV104 Samaritan
The FV104 Samaritan is a British tracked armored ambulance vehicle derived from the CVR(T) light tank family, designed to evacuate and treat casualties on the battlefield.
-
C.
Serna-class landing craft
The Serna-class landing craft is a Russian Navy amphibious vessel class designed for high-speed transport and beach landing of troops, vehicles, and equipment, notably used within formations such as the Caspian Flotilla.
-
D.
MV Arlanza
MV Arlanza was a British ocean liner built by the renowned shipbuilding company Harland and Wolff for passenger and cargo service in the mid-20th century.
-
E.
Guncati
Guncati is a village located within the municipality of Barajevo in the city of Belgrade, Serbia.
- 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: BRP Sierra Madre Target entity description: BRP Sierra Madre is a grounded Philippine Navy ship that serves as a military outpost asserting the Philippines’ territorial claims in the disputed Second Thomas Shoal in the South China Sea.
-
A.
Doxa (D-20)
Doxa (D-20) was a former U.S. Navy Gleaves-class destroyer transferred to the Hellenic Navy, where it served under its new name.
-
B.
FV104 Samaritan
The FV104 Samaritan is a British tracked armored ambulance vehicle derived from the CVR(T) light tank family, designed to evacuate and treat casualties on the battlefield.
-
C.
Serna-class landing craft
The Serna-class landing craft is a Russian Navy amphibious vessel class designed for high-speed transport and beach landing of troops, vehicles, and equipment, notably used within formations such as the Caspian Flotilla.
-
D.
MV Arlanza
MV Arlanza was a British ocean liner built by the renowned shipbuilding company Harland and Wolff for passenger and cargo service in the mid-20th century.
-
E.
Guncati
Guncati is a village located within the municipality of Barajevo in the city of Belgrade, Serbia.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
Philippine Navy ship
ⓘ
military outpost ⓘ ship ⓘ |
| alsoKnownAs | Philippine outpost on Second Thomas Shoal ⓘ |
| condition |
deteriorating hull
ⓘ
heavily rusted ⓘ |
| country | Philippines ⓘ |
| environment | low-tide elevation reef ⓘ |
| garrison | Philippine Marines NERFINISHED ⓘ |
| locatedInClaimedBy | Philippines GENERATED ⓘ |
| locatedInDisputedBy |
Brunei
GENERATED
ⓘ
China GENERATED ⓘ Malaysia GENERATED ⓘ Taiwan GENERATED ⓘ Vietnam GENERATED ⓘ |
| location |
Second Thomas Shoal
NERFINISHED
ⓘ
South China Sea NERFINISHED ⓘ Spratly Islands NERFINISHED ⓘ |
| nearbyFeature | Ayungin Shoal NERFINISHED ⓘ |
| operator | Philippine Navy NERFINISHED ⓘ |
| partOf | Philippine territorial defense in West Philippine Sea ⓘ |
| purpose |
assert Philippine sovereignty in Second Thomas Shoal
ⓘ
support Philippine Marines detachment ⓘ |
| requires | regular resupply missions ⓘ |
| resupplyChallengedBy |
Chinese coast guard
NERFINISHED
ⓘ
Chinese maritime militia NERFINISHED ⓘ |
| status |
active military outpost
ⓘ
aground ⓘ grounded ⓘ |
| strategicImportance |
maintain foothold on Second Thomas Shoal
ⓘ
monitor activities in surrounding waters ⓘ |
| symbolOf |
Philippine resistance in South China Sea disputes
ⓘ
Philippine sovereignty assertion ⓘ |
| usedFor |
asserting Philippine territorial claims
ⓘ
military presence ⓘ |
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: BRP Sierra Madre Description of subject: BRP Sierra Madre is a grounded Philippine Navy ship that serves as a military outpost asserting the Philippines’ territorial claims in the disputed Second Thomas Shoal in the South China Sea.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.