Memorial Amphitheater
E26180
Memorial Amphitheater is a grand ceremonial structure at Arlington National Cemetery that serves as a central site for national memorial services and military honors, including those at the Tomb of the Unknown Soldier.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Memorial Amphitheater canonical | 2 |
| Arlington Memorial Amphitheater | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T142164 — 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: Memorial Amphitheater Context triple: [Arlington National Cemetery, contains, Memorial Amphitheater]
-
A.
Hollywood Bowl
The Hollywood Bowl is a famous open-air amphitheater in Los Angeles renowned for its iconic band shell and major concerts and cultural events.
-
B.
Schaefer Stadium
Schaefer Stadium was an outdoor football stadium in Foxborough, Massachusetts, best known as the longtime home of the New England Patriots before the construction of Gillette Stadium.
-
C.
RFK Stadium
RFK Stadium is a multi-purpose sports venue in Washington, D.C., historically known for hosting Major League Baseball, NFL, and soccer games as well as major events and concerts.
-
D.
California Memorial Stadium
California Memorial Stadium is the historic on-campus football stadium of the University of California, Berkeley, known as the home of the California Golden Bears.
-
E.
Haas Pavilion
Haas Pavilion is an indoor sports arena on the University of California, Berkeley campus that primarily hosts the Golden Bears’ basketball and other athletic events.
- 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: Memorial Amphitheater Target entity description: Memorial Amphitheater is a grand ceremonial structure at Arlington National Cemetery that serves as a central site for national memorial services and military honors, including those at the Tomb of the Unknown Soldier.
-
A.
Hollywood Bowl
The Hollywood Bowl is a famous open-air amphitheater in Los Angeles renowned for its iconic band shell and major concerts and cultural events.
-
B.
Schaefer Stadium
Schaefer Stadium was an outdoor football stadium in Foxborough, Massachusetts, best known as the longtime home of the New England Patriots before the construction of Gillette Stadium.
-
C.
RFK Stadium
RFK Stadium is a multi-purpose sports venue in Washington, D.C., historically known for hosting Major League Baseball, NFL, and soccer games as well as major events and concerts.
-
D.
California Memorial Stadium
California Memorial Stadium is the historic on-campus football stadium of the University of California, Berkeley, known as the home of the California Golden Bears.
-
E.
Haas Pavilion
Haas Pavilion is an indoor sports arena on the University of California, Berkeley campus that primarily hosts the Golden Bears’ basketball and other athletic events.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
amphitheater
ⓘ
ceremonial structure ⓘ war memorial ⓘ |
| alsoKnownAs |
Arlington Memorial Amphitheater
ⓘ
linked to:
Memorial Amphitheater
|
| architect | Thomas Hastings ⓘ |
| architecturalStyle | Neoclassical architecture ⓘ |
| capacity | approximately 5,000 people ⓘ |
| category |
Amphitheaters in the United States
ⓘ
Military memorials in the United States ⓘ Monuments and memorials in Arlington County, Virginia ⓘ |
| constructionStartDate | 1915 ⓘ |
| coordinates | 38.873°N 77.066°W ⓘ |
| country | United States of America ⓘ |
| dedicatedTo | members of the United States Armed Forces ⓘ |
| dedicationDate | May 15, 1920 ⓘ |
| hasColonnadeType | open-air marble colonnade ⓘ |
| hasInscription | memorial inscriptions honoring American service members ⓘ |
| hasPart |
Tomb of the Unknown Soldier
ⓘ
colonnade ⓘ memorial plaques ⓘ seating area ⓘ stage ⓘ |
| heritageDesignation | contributing property to Arlington National Cemetery National Historic Landmark District ⓘ |
| inception | 1920 ⓘ |
| locatedInOrNextToCemetery | Arlington National Cemetery ⓘ |
| locatedInTheAdministrativeTerritorialEntity |
Arlington County, Virginia
ⓘ
linked to:
Arlington, Virginia
|
| location | Arlington National Cemetery ⓘ |
| mainUse |
Memorial Day services
ⓘ
Veterans Day services ⓘ military honors ceremonies ⓘ national memorial services ⓘ state funerals ⓘ |
| materialUsed | white marble ⓘ |
| nearby |
Arlington House, The Robert E. Lee Memorial
ⓘ
linked to:
Arlington House plantation
John F. Kennedy Eternal Flame ⓘ |
| openingDate | May 15, 1920 ⓘ |
| operator |
Arlington National Cemetery (administration)
ⓘ
linked to:
Arlington National Cemetery
|
| ownedBy | United States Department of the Army ⓘ |
| partOf |
Arlington National Cemetery National Historic Landmark District
ⓘ
linked to:
Arlington National Cemetery
|
| replaces | Old Amphitheater at Arlington National Cemetery ⓘ |
| roofType | open-air central court with covered colonnades ⓘ |
| significantEvent |
annual Memorial Day ceremony at Arlington National Cemetery
ⓘ
annual Veterans Day National Ceremony ⓘ presidential wreath-laying ceremonies at the Tomb of the Unknown Soldier ⓘ |
| symbolizes | national remembrance of American war dead ⓘ |
| usedFor |
ceremonies involving foreign dignitaries
ⓘ
inaugural ceremonies for the Tomb of the Unknown Soldier ⓘ large-scale military remembrance events ⓘ |
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: Memorial Amphitheater Description of subject: Memorial Amphitheater is a grand ceremonial structure at Arlington National Cemetery that serves as a central site for national memorial services and military honors, including those at the Tomb of the Unknown Soldier.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Memorial Amphitheater