Mercer Island High School
E44908
Mercer Island High School is a public secondary school in Mercer Island, Washington, known in part for being the alma mater of Ann Dunham, the mother of former U.S. President Barack Obama.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T350687 — 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: Mercer Island High School Context triple: [Ann Dunham, educatedAt, Mercer Island High School]
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A.
Everett High School
Everett High School is the main public secondary school serving students in the city of Everett, Massachusetts.
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B.
Everett Public Schools
Everett Public Schools is the public school district serving students in the city of Everett, Massachusetts.
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C.
Lakeside School
Lakeside School is a prestigious private preparatory school in Seattle, Washington, known for its rigorous academics and notable alumni including tech and business leaders.
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D.
Osbourn High School
Osbourn High School is a public secondary school serving students in the city of Manassas, Virginia.
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E.
Kellam High School
Kellam High School is a public secondary school in Virginia Beach, Virginia, known in part for being the alma mater of former MLB All-Star third baseman Ryan Zimmerman.
- 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: Mercer Island High School Target entity description: Mercer Island High School is a public secondary school in Mercer Island, Washington, known in part for being the alma mater of Ann Dunham, the mother of former U.S. President Barack Obama.
-
A.
Everett High School
Everett High School is the main public secondary school serving students in the city of Everett, Massachusetts.
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B.
Everett Public Schools
Everett Public Schools is the public school district serving students in the city of Everett, Massachusetts.
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C.
Lakeside School
Lakeside School is a prestigious private preparatory school in Seattle, Washington, known for its rigorous academics and notable alumni including tech and business leaders.
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D.
Osbourn High School
Osbourn High School is a public secondary school serving students in the city of Manassas, Virginia.
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E.
Kellam High School
Kellam High School is a public secondary school in Virginia Beach, Virginia, known in part for being the alma mater of former MLB All-Star third baseman Ryan Zimmerman.
- F. None of above. chosen
Statements (45)
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: Mercer Island High School Description of subject: Mercer Island High School is a public secondary school in Mercer Island, Washington, known in part for being the alma mater of Ann Dunham, the mother of former U.S. President Barack Obama.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mercer Island High School
linked to: Mercer Island High School
linked to: Mercer Island High School
linked to: Mercer Island High School
linked to: Mercer Island High School