Segunda Angostura
E51191
Segunda Angostura is a narrow channel within the Strait of Magellan in southern Chile, known for its constricted waters and challenging navigation conditions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Segunda Angostura canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T401857 — 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: Segunda Angostura Context triple: [Strait of Magellan, hasChannel, Segunda Angostura]
-
A.
Canela
Canela is a coastal rural municipality in Chile’s Coquimbo Region, known for its small agricultural communities and semi-arid landscapes.
-
B.
Bejucal
Bejucal is a Cuban town and municipality known for its historic role in the island’s early railway system and its traditional “Charangas de Bejucal” carnival festivities.
-
C.
Porvenir
Porvenir is a small Chilean town on Tierra del Fuego that serves as an important fishing and service port on the Strait of Magellan.
-
D.
Miramar
Miramar is a historic, upscale neighborhood in San Juan, Puerto Rico, known for its residential character, cultural venues, and proximity to the Condado and Santurce districts.
-
E.
Miramar
Miramar is a renowned novel by Egyptian Nobel laureate Naguib Mahfouz that portrays social and political change in post-revolutionary Egypt through multiple narrators in a shared Alexandria boarding house.
- 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: Segunda Angostura Target entity description: Segunda Angostura is a narrow channel within the Strait of Magellan in southern Chile, known for its constricted waters and challenging navigation conditions.
-
A.
Canela
Canela is a coastal rural municipality in Chile’s Coquimbo Region, known for its small agricultural communities and semi-arid landscapes.
-
B.
Bejucal
Bejucal is a Cuban town and municipality known for its historic role in the island’s early railway system and its traditional “Charangas de Bejucal” carnival festivities.
-
C.
Porvenir
Porvenir is a small Chilean town on Tierra del Fuego that serves as an important fishing and service port on the Strait of Magellan.
-
D.
Miramar
Miramar is a historic, upscale neighborhood in San Juan, Puerto Rico, known for its residential character, cultural venues, and proximity to the Condado and Santurce districts.
-
E.
Miramar
Miramar is a renowned novel by Egyptian Nobel laureate Naguib Mahfouz that portrays social and political change in post-revolutionary Egypt through multiple narrators in a shared Alexandria boarding house.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
narrow channel
ⓘ
strait ⓘ |
| climateZone | subpolar oceanic climate ⓘ |
| continent | South America ⓘ |
| country | Chile ⓘ |
| geographicalFeature | narrowing of the Strait of Magellan ⓘ |
| hazard |
difficult navigation
ⓘ
restricted maneuvering space ⓘ strong currents ⓘ |
| jurisdiction | Chilean maritime authority ⓘ |
| knownFor |
challenging navigation conditions
ⓘ
constricted waters ⓘ |
| languageOfName | Spanish ⓘ |
| locatedIn |
Strait of Magellan
ⓘ
southern Chile ⓘ |
| locatedInBodyOfWater | Strait of Magellan ⓘ |
| locatedInHemisphere |
Southern Hemisphere
ⓘ
Western Hemisphere ⓘ |
| locatedOnCoastOf | South America ⓘ |
| nameMeaning | Second Narrows ⓘ |
| navigationCharacteristic |
narrow passage
ⓘ
strong tidal currents ⓘ |
| navigationUse |
passage for vessels transiting the Strait of Magellan
ⓘ
shipping route ⓘ |
| partOf |
Magallanes Region (historically)
ⓘ
surface form:
Magallanes Region
interoceanic route between Atlantic Ocean and Pacific Ocean via Strait of Magellan ⓘ |
| region | Patagonia ⓘ |
| relativeLocation | west of Primera Angostura in the Strait of Magellan ⓘ |
| seaConditions |
cold waters
ⓘ
frequent strong winds ⓘ |
| usedBy |
commercial vessels
ⓘ
fishing vessels ⓘ naval vessels ⓘ |
| waterwayType | marine channel ⓘ |
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: Segunda Angostura Description of subject: Segunda Angostura is a narrow channel within the Strait of Magellan in southern Chile, known for its constricted waters and challenging navigation conditions.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.