Portlock Cone
E488450
Portlock Cone is a volcanic tuff cone on the southeastern coast of Oʻahu, Hawaii, forming part of the island’s Koko Head volcanic complex.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Portlock Cone canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5040441 — 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: Portlock Cone Context triple: [Koko Head volcanic complex, hasPart, Portlock Cone]
-
A.
Cape Pillar
Cape Pillar is a dramatic sea cliff headland on Tasmania’s southeast coast, renowned for its towering dolerite cliffs and coastal hiking views.
-
B.
MacKenney cone
MacKenney cone is the main active volcanic cone of the Pacaya volcano complex in Guatemala, known for its frequent eruptions and lava flows.
-
C.
Saxe Point
Saxe Point is a coastal residential neighbourhood in Esquimalt, British Columbia, known for its waterfront park and scenic views of the Strait of Juan de Fuca and the Olympic Mountains.
-
D.
Thunder Cape
Thunder Cape is a prominent headland on the northern shore of Lake Superior in Ontario, Canada, known as a key landmark and bird migration monitoring site near the entrance to Thunder Bay.
-
E.
Mount Berenice
Mount Berenice is a hill in Tiberias, Israel, overlooking the Sea of Galilee and known for its archaeological remains and religious-historical significance.
- 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: Portlock Cone Target entity description: Portlock Cone is a volcanic tuff cone on the southeastern coast of Oʻahu, Hawaii, forming part of the island’s Koko Head volcanic complex.
-
A.
Cape Pillar
Cape Pillar is a dramatic sea cliff headland on Tasmania’s southeast coast, renowned for its towering dolerite cliffs and coastal hiking views.
-
B.
MacKenney cone
MacKenney cone is the main active volcanic cone of the Pacaya volcano complex in Guatemala, known for its frequent eruptions and lava flows.
-
C.
Saxe Point
Saxe Point is a coastal residential neighbourhood in Esquimalt, British Columbia, known for its waterfront park and scenic views of the Strait of Juan de Fuca and the Olympic Mountains.
-
D.
Thunder Cape
Thunder Cape is a prominent headland on the northern shore of Lake Superior in Ontario, Canada, known as a key landmark and bird migration monitoring site near the entrance to Thunder Bay.
-
E.
Mount Berenice
Mount Berenice is a hill in Tiberias, Israel, overlooking the Sea of Galilee and known for its archaeological remains and religious-historical significance.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
monogenetic volcano
ⓘ
tuff cone ⓘ volcanic landform ⓘ |
| composition | basaltic tuff ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| currentStatus | extinct volcano ⓘ |
| elevation | low elevation coastal cone ⓘ |
| eruptionStyle | phreatomagmatic ⓘ |
| eruptiveCenterOf | Koko Head volcanic complex ⓘ |
| formedAsPartOf | post‑shield volcanism of Koʻolau volcano ⓘ |
| formedBy | interaction of magma with seawater ⓘ |
| formedDuring | late-stage rejuvenated volcanism on Oʻahu ⓘ |
| geneticRelation | aligned with other Koko Rift vents ⓘ |
| geologicalAge | Holocene ⓘ |
| hazardLevel | no known historical eruptions ⓘ |
| island |
Oʻahu
ⓘ
linked to:
Oahu
|
| landformType | maar–tuff cone complex ⓘ |
| locatedIn |
City and County of Honolulu
ⓘ
linked to:
Honolulu County
Hawaii ⓘ
linked to:
Hawaiʻi (island)
Honolulu County ⓘ United States ⓘ
linked to:
United States of America
|
| locatedOn |
Oʻahu
ⓘ
linked to:
Oahu
|
| locatedOnCoastOf | southeastern coast of Oʻahu ⓘ |
| namedAfter |
Portlock (nearby coastal area)
ⓘ
linked to:
Portlock
|
| near |
Hanauma Bay
ⓘ
Hawaiʻi Kai ⓘ Koko Crater ⓘ Koko Head ⓘ Maunalua Bay ⓘ |
| overlooks | Maunalua Bay ⓘ |
| partOf |
Hawaiian–Emperor seamount chain
ⓘ
Honolulu Volcanics ⓘ
linked to:
Honolulu Volcanic Series
Koko Head volcanic complex ⓘ |
| proximityToOcean | coastal ⓘ |
| region | southeastern Oʻahu ⓘ |
| state | Hawaii ⓘ |
| surficialMaterial |
consolidated ash
ⓘ
lapilli tuff ⓘ |
| tectonicSetting | intraplate hotspot volcano ⓘ |
| volcanicArcOrBelt | Hawaiian hotspot ⓘ |
| volcanicField |
Koko Rift zone
ⓘ
linked to:
Koko Crater
|
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: Portlock Cone Description of subject: Portlock Cone is a volcanic tuff cone on the southeastern coast of Oʻahu, Hawaii, forming part of the island’s Koko Head volcanic complex.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.