Marblehead Peninsula
E786313
Marblehead Peninsula is a narrow landform in northern Ohio that extends into Lake Erie and is known for its historic lighthouse, rocky shoreline, and views of nearby islands.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Marblehead Peninsula canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9254008 — 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: Marblehead Peninsula Context triple: [Sandusky Bay, near, Marblehead Peninsula]
-
A.
Marblehead Neck peninsula
Marblehead Neck peninsula is a narrow coastal landform in Marblehead, Massachusetts, known for its rocky shoreline, scenic ocean views, and residential neighborhoods.
-
B.
Blue Hill Peninsula
Blue Hill Peninsula is a scenic coastal region in Hancock County, Maine, known for its small villages, maritime heritage, and views of Blue Hill Bay and the surrounding islands.
-
C.
Cape Cod
Cape Cod is a hook-shaped peninsula in southeastern Massachusetts known for its sandy beaches, maritime villages, and popular summer tourism.
-
D.
Prouts Neck
Prouts Neck is a coastal peninsula neighborhood in Scarborough, Maine, known for its rocky shoreline, historic summer community, and association with painter Winslow Homer.
-
E.
Boothbay Peninsula
Boothbay Peninsula is a scenic coastal region in Maine known for its picturesque harbors, maritime heritage, and popular seaside towns like Boothbay Harbor.
- 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: Marblehead Peninsula Target entity description: Marblehead Peninsula is a narrow landform in northern Ohio that extends into Lake Erie and is known for its historic lighthouse, rocky shoreline, and views of nearby islands.
-
A.
Marblehead Neck peninsula
Marblehead Neck peninsula is a narrow coastal landform in Marblehead, Massachusetts, known for its rocky shoreline, scenic ocean views, and residential neighborhoods.
-
B.
Blue Hill Peninsula
Blue Hill Peninsula is a scenic coastal region in Hancock County, Maine, known for its small villages, maritime heritage, and views of Blue Hill Bay and the surrounding islands.
-
C.
Cape Cod
Cape Cod is a hook-shaped peninsula in southeastern Massachusetts known for its sandy beaches, maritime villages, and popular summer tourism.
-
D.
Prouts Neck
Prouts Neck is a coastal peninsula neighborhood in Scarborough, Maine, known for its rocky shoreline, historic summer community, and association with painter Winslow Homer.
-
E.
Boothbay Peninsula
Boothbay Peninsula is a scenic coastal region in Maine known for its picturesque harbors, maritime heritage, and popular seaside towns like Boothbay Harbor.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
landform
ⓘ
peninsula ⓘ |
| borders | Sandusky Bay NERFINISHED ⓘ |
| contains |
Marblehead Lighthouse State Park
NERFINISHED
ⓘ
Village of Marblehead, Ohio NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| extendsInto | Lake Erie NERFINISHED ⓘ |
| geologicalComposition | limestone ⓘ |
| hasNotableFeature |
Marblehead Lighthouse
NERFINISHED
ⓘ
rocky shoreline ⓘ views of Lake Erie islands ⓘ |
| hasViewOf |
Kelleys Island
NERFINISHED
ⓘ
Lake Erie NERFINISHED ⓘ South Bass Island NERFINISHED ⓘ |
| knownFor |
historic lighthouse
ⓘ
scenic views ⓘ tourism ⓘ |
| locatedIn | Ottawa County, Ohio NERFINISHED ⓘ |
| locatedOn | Lake Erie NERFINISHED ⓘ |
| near |
Kelleys Island
NERFINISHED
ⓘ
Put-in-Bay NERFINISHED ⓘ South Bass Island NERFINISHED ⓘ |
| partOf | Lake Erie Islands region NERFINISHED ⓘ |
| state | Ohio ⓘ |
| tourismActivity |
birdwatching
ⓘ
boating ⓘ fishing ⓘ lighthouse tours ⓘ |
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: Marblehead Peninsula Description of subject: Marblehead Peninsula is a narrow landform in northern Ohio that extends into Lake Erie and is known for its historic lighthouse, rocky shoreline, and views of nearby islands.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.