Portland limestone
E1219333
UNEXPLORED
Portland limestone is a durable, fine-grained Jurassic sedimentary rock from the Isle of Portland in Dorset, England, widely used as a prestigious building stone in many notable British structures.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Portland limestone canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T16557537 — 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: Portland limestone Context triple: [Winspit quarry, geologicalFormation, Portland limestone]
-
A.
Lioz limestone
Lioz limestone is a dense, decorative Portuguese limestone widely used in historic architecture and monuments, especially in and around Lisbon.
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B.
Anston limestone
Anston limestone is a durable, fine-grained building stone from Anston in South Yorkshire, England, historically quarried for major 19th-century architectural projects.
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C.
Indiana limestone
Indiana limestone is a durable, fine-grained sedimentary building stone from Indiana widely used in prominent American architecture and monuments.
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D.
Limestone City
Limestone City is a nickname for Kingston, Ontario, reflecting its many historic buildings constructed from local limestone.
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E.
Portland Basin
Portland Basin is a historic canal junction and museum site in Ashton-under-Lyne, Greater Manchester, where several major canals meet.
- 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: Portland limestone Target entity description: Portland limestone is a durable, fine-grained Jurassic sedimentary rock from the Isle of Portland in Dorset, England, widely used as a prestigious building stone in many notable British structures.
-
A.
Lioz limestone
Lioz limestone is a dense, decorative Portuguese limestone widely used in historic architecture and monuments, especially in and around Lisbon.
-
B.
Anston limestone
Anston limestone is a durable, fine-grained building stone from Anston in South Yorkshire, England, historically quarried for major 19th-century architectural projects.
-
C.
Indiana limestone
Indiana limestone is a durable, fine-grained sedimentary building stone from Indiana widely used in prominent American architecture and monuments.
-
D.
Limestone City
Limestone City is a nickname for Kingston, Ontario, reflecting its many historic buildings constructed from local limestone.
-
E.
Portland Basin
Portland Basin is a historic canal junction and museum site in Ashton-under-Lyne, Greater Manchester, where several major canals meet.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.