geodetic survey of the Struve Geodetic Arc
E970547
UNEXPLORED
The geodetic survey of the Struve Geodetic Arc was a 19th-century multinational triangulation project that precisely measured a meridian arc across Northern Europe to determine the size and shape of the Earth.
All labels observed (1)
| Label | Occurrences |
|---|---|
| geodetic survey of the Struve Geodetic Arc canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12216654 — 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: geodetic survey of the Struve Geodetic Arc Context triple: [Friedrich Georg Wilhelm von Struve, notableWork, geodetic survey of the Struve Geodetic Arc]
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A.
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.
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B.
French Geodesic Mission to Lapland
The French Geodesic Mission to Lapland was an 18th-century scientific expedition that measured a meridian arc near the Arctic Circle to test the Earth's shape and confirm Newton's theory of an oblate spheroid.
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C.
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.
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D.
Curve of the Earth
Curve of the Earth is an indie rock album by the English band Mystery Jets, noted for its atmospheric sound and introspective songwriting.
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E.
Geographia
Geographia is an influential ancient geographical treatise by Claudius Ptolemy that systematically mapped the known world and shaped cartography for centuries.
- 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: geodetic survey of the Struve Geodetic Arc Target entity description: The geodetic survey of the Struve Geodetic Arc was a 19th-century multinational triangulation project that precisely measured a meridian arc across Northern Europe to determine the size and shape of the Earth.
-
A.
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.
-
B.
French Geodesic Mission to Lapland
The French Geodesic Mission to Lapland was an 18th-century scientific expedition that measured a meridian arc near the Arctic Circle to test the Earth's shape and confirm Newton's theory of an oblate spheroid.
-
C.
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.
-
D.
Curve of the Earth
Curve of the Earth is an indie rock album by the English band Mystery Jets, noted for its atmospheric sound and introspective songwriting.
-
E.
Geographia
Geographia is an influential ancient geographical treatise by Claudius Ptolemy that systematically mapped the known world and shaped cartography for centuries.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.