Rockville Union Cemetery, Rockville, Maryland, United States
E578277
Rockville Union Cemetery in Rockville, Maryland, is a historic burial ground best known as the final resting place of Baseball Hall of Fame pitcher Walter Johnson.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rockville Union Cemetery, Rockville, Maryland, United States canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6215714 — 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: Rockville Union Cemetery, Rockville, Maryland, United States Context triple: [Walter Johnson, burialPlace, Rockville Union Cemetery, Rockville, Maryland, United States]
-
A.
Parklawn Memorial Park, Rockville, Maryland, United States
Parklawn Memorial Park in Rockville, Maryland, is a cemetery best known as the final resting place of influential environmentalist and author Rachel Carson.
-
B.
Loudon Park Cemetery, Baltimore, Maryland, United States
Loudon Park Cemetery in Baltimore, Maryland, is a historic 19th-century burial ground known for its notable interments and extensive Victorian-era funerary art.
-
C.
Rose Hill Cemetery, Hagerstown, Maryland
Rose Hill Cemetery in Hagerstown, Maryland is a historic burial ground known for interring notable Civil War figures and prominent local residents.
-
D.
Lincoln Memorial Cemetery, Suitland, Maryland, United States
Lincoln Memorial Cemetery in Suitland, Maryland, is a historic African American burial ground known for being the final resting place of prominent civil rights leaders and community figures.
-
E.
Green Mount Cemetery, Baltimore, Maryland, United States
Green Mount Cemetery in Baltimore, Maryland, is a historic 19th-century rural garden cemetery known for its notable burials, including prominent political figures, industrialists, and the assassin John Wilkes Booth.
- 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: Rockville Union Cemetery, Rockville, Maryland, United States Target entity description: Rockville Union Cemetery in Rockville, Maryland, is a historic burial ground best known as the final resting place of Baseball Hall of Fame pitcher Walter Johnson.
-
A.
Parklawn Memorial Park, Rockville, Maryland, United States
Parklawn Memorial Park in Rockville, Maryland, is a cemetery best known as the final resting place of influential environmentalist and author Rachel Carson.
-
B.
Loudon Park Cemetery, Baltimore, Maryland, United States
Loudon Park Cemetery in Baltimore, Maryland, is a historic 19th-century burial ground known for its notable interments and extensive Victorian-era funerary art.
-
C.
Rose Hill Cemetery, Hagerstown, Maryland
Rose Hill Cemetery in Hagerstown, Maryland is a historic burial ground known for interring notable Civil War figures and prominent local residents.
-
D.
Lincoln Memorial Cemetery, Suitland, Maryland, United States
Lincoln Memorial Cemetery in Suitland, Maryland, is a historic African American burial ground known for being the final resting place of prominent civil rights leaders and community figures.
-
E.
Green Mount Cemetery, Baltimore, Maryland, United States
Green Mount Cemetery in Baltimore, Maryland, is a historic 19th-century rural garden cemetery known for its notable burials, including prominent political figures, industrialists, and the assassin John Wilkes Booth.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
Baseball Hall of Fame pitcher
ⓘ
cemetery ⓘ historic site ⓘ |
| alsoKnownAs | Rockville Cemetery ⓘ |
| buriedIn |
Rockville Union Cemetery
ⓘ
linked to:
Rockville Cemetery
|
| country |
United States
ⓘ
linked to:
United States of America
|
| hasApproximateEstablishmentCentury | 19th century ⓘ |
| hasCoordinateLocation | 39.084°N 77.151°W ⓘ |
| hasCulturalSignificance |
baseball history through Walter Johnson’s grave
ⓘ
local history of Rockville ⓘ |
| hasHeritageDesignation | historic cemetery ⓘ |
| hasLandscapeType | lawn cemetery ⓘ |
| hasNotableBurial | Walter Johnson ⓘ |
| hasNotableFeature |
family plots
ⓘ
grave of Walter Johnson ⓘ historic grave markers ⓘ veterans’ graves ⓘ |
| hasPrimaryUse | burial ground ⓘ |
| hasReligion | non-denominational ⓘ |
| isPublicAccess | yes ⓘ |
| locatedIn | Rockville, Maryland ⓘ |
| locatedInAdministrativeEntity |
Montgomery County, Maryland
ⓘ
linked to:
Montgomery County
|
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedNear |
Rock Creek
ⓘ
Rockville Civic Center Park ⓘ
linked to:
Rockville Town Square
|
| maintainedBy | local cemetery association ⓘ |
| servesCommunity | Rockville, Maryland ⓘ |
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: Rockville Union Cemetery, Rockville, Maryland, United States Description of subject: Rockville Union Cemetery in Rockville, Maryland, is a historic burial ground best known as the final resting place of Baseball Hall of Fame pitcher Walter Johnson.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.