Marble Island
E652435
Marble Island is a small island in southeastern Alaska notable for its historic quarries that produced high-quality Tokeen marble used in prominent buildings across the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Marble Island canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5381803 — 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: Marble Island Context triple: [Tokeen marble, quarriedAt, Marble Island]
-
A.
Dunham Island
Dunham Island is a small island located within Oneida Lake in central New York State.
-
B.
Fannette Island
Fannette Island is the only island in Lake Tahoe, known for its picturesque setting in Emerald Bay and the ruins of a small stone teahouse on its summit.
-
C.
Denton Island
Denton Island is a major motorway interchange in Greater Manchester, England, connecting key routes including the M60 and A57 around the town of Denton.
-
D.
Muggs Island
Muggs Island is a small, wooded island within Toronto’s offshore island chain, known for its natural setting and limited development.
-
E.
Bedloe's Island
Bedloe's Island is the former name of Liberty Island in New York Harbor, best known today as the site of the Statue of Liberty.
- 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: Marble Island Target entity description: Marble Island is a small island in southeastern Alaska notable for its historic quarries that produced high-quality Tokeen marble used in prominent buildings across the United States.
-
A.
Dunham Island
Dunham Island is a small island located within Oneida Lake in central New York State.
-
B.
Fannette Island
Fannette Island is the only island in Lake Tahoe, known for its picturesque setting in Emerald Bay and the ruins of a small stone teahouse on its summit.
-
C.
Denton Island
Denton Island is a major motorway interchange in Greater Manchester, England, connecting key routes including the M60 and A57 around the town of Denton.
-
D.
Muggs Island
Muggs Island is a small, wooded island within Toronto’s offshore island chain, known for its natural setting and limited development.
-
E.
Bedloe's Island
Bedloe's Island is the former name of Liberty Island in New York Harbor, best known today as the site of the Statue of Liberty.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
geographic feature
ⓘ
island ⓘ |
| administrativeDivision | Prince of Wales-Hyder Census Area NERFINISHED ⓘ |
| continent | North America ⓘ |
| country | United States of America ⓘ |
| economicActivity | stone quarrying ⓘ |
| geology |
carbonate rock
ⓘ
marble formations ⓘ |
| hasHistoricSite | Tokeen marble quarries ⓘ |
| hasName | Marble Island NERFINISHED ⓘ |
| hasNaturalResource | marble ⓘ |
| historicPeriodOfActivity |
early 20th century
ⓘ
late 19th century ⓘ |
| historicUse | industrial quarry operations ⓘ |
| knownFor |
historic marble quarries
ⓘ
production of Tokeen marble ⓘ |
| locatedIn |
Alaska
ⓘ
Alexander Archipelago NERFINISHED ⓘ southeastern Alaska ⓘ |
| locatedInBodyOfWater | Pacific Ocean NERFINISHED ⓘ |
| marbleType | Tokeen marble ⓘ |
| materialUsedIn | prominent buildings in the United States ⓘ |
| namedFor | its marble deposits ⓘ |
| partOf | Tongass National Forest NERFINISHED ⓘ |
| productExported | Tokeen marble ⓘ |
| region | Southeast Alaska NERFINISHED ⓘ |
| resourceQuality | high-quality marble ⓘ |
| state | Alaska ⓘ |
| usedFor |
architectural stone
ⓘ
building stone ⓘ |
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: Marble Island Description of subject: Marble Island is a small island in southeastern Alaska notable for its historic quarries that produced high-quality Tokeen marble used in prominent buildings across the United States.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.