Struve Geodetic Arc
E970545
UNEXPLORED
The Struve Geodetic Arc is a chain of survey triangulation points stretching from Norway to the Black Sea, established in the 19th century to measure the exact size and shape of the Earth and now recognized as a UNESCO World Heritage Site.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Struve Geodetic Arc canonical | 5 |
| Struve Geodetic Arc World Heritage Site | 1 |
| Struve Geodetic Arc measurements | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12216642 — 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: Struve Geodetic Arc Context triple: [Friedrich Georg Wilhelm von Struve, knownFor, Struve Geodetic Arc]
-
A.
Humboldt meridian
The Humboldt meridian is a principal survey meridian used as a reference line for land surveying and mapping in parts of northern California.
-
B.
Cassini meridian line
The Cassini meridian line is a monumental 17th-century astronomical sundial and meridian marker in Bologna used to measure the Sun’s position and refine the length of the year.
-
C.
Great Arc of the Meridian
The Great Arc of the Meridian was a monumental 19th-century geodetic survey line across the Indian subcontinent that played a key role in measuring the Earth’s shape and refining global maps.
-
D.
Filevskaya Line
Filevskaya Line is one of the lines of the Moscow Metro, known for its partially surface-level sections and service to western districts of the city.
-
E.
San Bernardino meridian
The San Bernardino meridian is a principal survey meridian used as a reference line for land surveying and mapping in Southern California and parts of Nevada.
- 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: Struve Geodetic Arc Target entity description: The Struve Geodetic Arc is a chain of survey triangulation points stretching from Norway to the Black Sea, established in the 19th century to measure the exact size and shape of the Earth and now recognized as a UNESCO World Heritage Site.
-
A.
Humboldt meridian
The Humboldt meridian is a principal survey meridian used as a reference line for land surveying and mapping in parts of northern California.
-
B.
Cassini meridian line
The Cassini meridian line is a monumental 17th-century astronomical sundial and meridian marker in Bologna used to measure the Sun’s position and refine the length of the year.
-
C.
Great Arc of the Meridian
The Great Arc of the Meridian was a monumental 19th-century geodetic survey line across the Indian subcontinent that played a key role in measuring the Earth’s shape and refining global maps.
-
D.
Filevskaya Line
Filevskaya Line is one of the lines of the Moscow Metro, known for its partially surface-level sections and service to western districts of the city.
-
E.
San Bernardino meridian
The San Bernardino meridian is a principal survey meridian used as a reference line for land surveying and mapping in Southern California and parts of Nevada.
- F. None of above. chosen
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Struve Geodetic Arc
linked to: Struve Geodetic Arc