Cape Cod National Seashore
E7521
Cape Cod National Seashore is a federally protected stretch of beaches, dunes, wetlands, and historic sites along the outer arm of Cape Cod in Massachusetts, renowned for its natural beauty and coastal recreation.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T7456 — 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: Cape Cod National Seashore Context triple: [Cape Cod, hasProtectedArea, Cape Cod National Seashore]
-
A.
Channel Islands National Park
Channel Islands National Park is a U.S. national park off the coast of Southern California that protects five rugged, ecologically rich islands and the surrounding marine environment known for unique wildlife and excellent kayaking, hiking, and diving.
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B.
Cape Cod
Cape Cod is a hook-shaped peninsula in southeastern Massachusetts known for its sandy beaches, maritime villages, and popular summer tourism.
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C.
F.D. Roosevelt State Park
F.D. Roosevelt State Park is Georgia’s largest state park, known for its extensive hiking trails, scenic overlooks, and historical ties to President Franklin D. Roosevelt.
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D.
Martha's Vineyard
Martha's Vineyard is a well-known island off the coast of Massachusetts, popular as a scenic summer vacation destination and affluent seasonal community.
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E.
Lynn Woods Reservation
Lynn Woods Reservation is a large municipal forest and public park in Lynn, Massachusetts, known for its extensive trail system, scenic ponds, and historic stone structures.
- 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: Cape Cod National Seashore Target entity description: Cape Cod National Seashore is a federally protected stretch of beaches, dunes, wetlands, and historic sites along the outer arm of Cape Cod in Massachusetts, renowned for its natural beauty and coastal recreation.
-
A.
Channel Islands National Park
Channel Islands National Park is a U.S. national park off the coast of Southern California that protects five rugged, ecologically rich islands and the surrounding marine environment known for unique wildlife and excellent kayaking, hiking, and diving.
-
B.
Cape Cod
Cape Cod is a hook-shaped peninsula in southeastern Massachusetts known for its sandy beaches, maritime villages, and popular summer tourism.
-
C.
F.D. Roosevelt State Park
F.D. Roosevelt State Park is Georgia’s largest state park, known for its extensive hiking trails, scenic overlooks, and historical ties to President Franklin D. Roosevelt.
-
D.
Martha's Vineyard
Martha's Vineyard is a well-known island off the coast of Massachusetts, popular as a scenic summer vacation destination and affluent seasonal community.
-
E.
Lynn Woods Reservation
Lynn Woods Reservation is a large municipal forest and public park in Lynn, Massachusetts, known for its extensive trail system, scenic ponds, and historic stone structures.
- F. None of above. chosen
Statements (65)
| Predicate | Object |
|---|---|
| instanceOf |
United States National Park Service unit
ⓘ
national seashore ⓘ protected area ⓘ |
| area |
approximately 43,600 acres
ⓘ
approximately 68 square miles ⓘ |
| authorizedBy | United States Congress ⓘ |
| contains |
Marconi Beach
ⓘ
surface form:
Coast Guard Beach
Great Island ⓘ Herring Cove Beach ⓘ Highland Light ⓘ Marconi Station Site ⓘ Nauset Light ⓘ Province Lands ⓘ Province Lands Visitor Center ⓘ Race Point Beach ⓘ Salt Pond Visitor Center ⓘ |
| containsFeature |
barrier beaches
ⓘ
beaches ⓘ bike trails ⓘ coastal forests ⓘ hiking trails ⓘ historic sites ⓘ kettle ponds ⓘ lighthouses ⓘ salt marshes ⓘ sand dunes ⓘ visitor centers ⓘ wetlands ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy | Cape Cod National Seashore Act ⓘ |
| designation | federally protected area ⓘ |
| ecosystemType |
coastal dune ecosystem
ⓘ
marine ecosystem ⓘ salt marsh ecosystem ⓘ |
| established | 1961 ⓘ |
| governingBody | National Park Service ⓘ |
| hasClimate | humid continental climate ⓘ |
| IUCNCategory | V ⓘ |
| knownFor |
coastal recreation
ⓘ
scenic beaches ⓘ whale watching nearby ⓘ wildlife viewing ⓘ |
| length | about 40 miles of shoreline ⓘ |
| locatedIn |
Barnstable County, Massachusetts
ⓘ
Massachusetts ⓘ |
| locatedInRegion | Outer Cape Cod ⓘ |
| locatedOn |
Atlantic Ocean
ⓘ
Cape Cod ⓘ |
| nearestCity |
Chatham, Massachusetts
ⓘ
Provincetown ⓘ
surface form:
Provincetown, Massachusetts
|
| offersActivity |
bicycling
ⓘ
birdwatching ⓘ fishing ⓘ hiking ⓘ surfing ⓘ swimming ⓘ |
| partOf |
United States National Park System
ⓘ
surface form:
National Park System
|
| signedIntoLawBy | John F. Kennedy ⓘ |
| spansTowns |
Chatham
ⓘ
Eastham ⓘ Orleans ⓘ Provincetown ⓘ Truro ⓘ Wellfleet ⓘ |
| state | Massachusetts ⓘ |
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: Cape Cod National Seashore Description of subject: Cape Cod National Seashore is a federally protected stretch of beaches, dunes, wetlands, and historic sites along the outer arm of Cape Cod in Massachusetts, renowned for its natural beauty and coastal recreation.
Referenced by (77)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cape Cod National Seashore area
this entity surface form:
Cape Cod National Seashore region
subject surface form:
Cape Cod Rail Trail