Sylvester Marsh
E1349244
UNEXPLORED
Sylvester Marsh was a 19th-century American inventor and entrepreneur best known for conceiving and building the pioneering Mount Washington Cog Railway in New Hampshire.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sylvester Marsh canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T18926752 — 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: Sylvester Marsh Context triple: [Mount Washington Cog Railway, founder, Sylvester Marsh]
-
A.
Lawrence Swamp
Lawrence Swamp is a wetland area in Amherst, Massachusetts, known for its diverse wildlife habitat and recreational trails.
-
B.
Beaver Marsh
Beaver Marsh is a restored wetland area within Cuyahoga Valley National Park known for its rich wildlife habitat and scenic boardwalk views.
-
C.
Great Meadows
Great Meadows is a historic open field in Pennsylvania that served as the site of George Washington’s early military engagement and the Battle of Fort Necessity during the French and Indian War.
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D.
Great Meadows
Great Meadows is a small unincorporated community in Independence Township, Warren County, New Jersey, known for its rural character and surrounding wetlands.
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E.
McDaniels Marsh
McDaniels Marsh is a wetland area and waterbody located within the Merrimack River watershed, contributing to the region’s hydrology and wildlife habitat.
- 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: Sylvester Marsh Target entity description: Sylvester Marsh was a 19th-century American inventor and entrepreneur best known for conceiving and building the pioneering Mount Washington Cog Railway in New Hampshire.
-
A.
Lawrence Swamp
Lawrence Swamp is a wetland area in Amherst, Massachusetts, known for its diverse wildlife habitat and recreational trails.
-
B.
Beaver Marsh
Beaver Marsh is a restored wetland area within Cuyahoga Valley National Park known for its rich wildlife habitat and scenic boardwalk views.
-
C.
Great Meadows
Great Meadows is a historic open field in Pennsylvania that served as the site of George Washington’s early military engagement and the Battle of Fort Necessity during the French and Indian War.
-
D.
Great Meadows
Great Meadows is a small unincorporated community in Independence Township, Warren County, New Jersey, known for its rural character and surrounding wetlands.
-
E.
McDaniels Marsh
McDaniels Marsh is a wetland area and waterbody located within the Merrimack River watershed, contributing to the region’s hydrology and wildlife habitat.
- F. None of above. chosen
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.