Baltimore and Potomac Railroad Station, Washington, D.C.
E391697
The Baltimore and Potomac Railroad Station in Washington, D.C., was a 19th-century train depot best known as the site of President James A. Garfield’s assassination in 1881.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Baltimore & Potomac Railroad Station (Washington, D.C.) | 1 |
| Baltimore and Potomac Railroad Station, Washington, D.C. canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3808648 — 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: Baltimore and Potomac Railroad Station, Washington, D.C. Context triple: [Charles J. Guiteau, placeOfCrime, Baltimore and Potomac Railroad Station, Washington, D.C.]
-
A.
Anacostia station
Anacostia station is a Washington Metro rapid transit stop in Southeast Washington, D.C., serving the Anacostia neighborhood.
-
B.
Arlington station
Arlington station is an underground light rail stop on Boston's MBTA Green Line located near the Back Bay and Boston Public Garden.
-
C.
Union Station (Washington Metro)
Union Station is a major Washington Metro station in Washington, D.C., serving as a key transit hub connected to the historic Union Station rail terminal and multiple local and regional transportation services.
-
D.
Union Station (Baltimore)
Union Station (Baltimore) was an earlier major railroad terminal in Baltimore that served as the city's primary passenger rail hub before being superseded by Pennsylvania Station.
-
E.
Farragut North station
Farragut North station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the Red Line near Farragut Square.
- 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: Baltimore and Potomac Railroad Station, Washington, D.C. Target entity description: The Baltimore and Potomac Railroad Station in Washington, D.C., was a 19th-century train depot best known as the site of President James A. Garfield’s assassination in 1881.
-
A.
Anacostia station
Anacostia station is a Washington Metro rapid transit stop in Southeast Washington, D.C., serving the Anacostia neighborhood.
-
B.
Arlington station
Arlington station is an underground light rail stop on Boston's MBTA Green Line located near the Back Bay and Boston Public Garden.
-
C.
Union Station (Washington Metro)
Union Station is a major Washington Metro station in Washington, D.C., serving as a key transit hub connected to the historic Union Station rail terminal and multiple local and regional transportation services.
-
D.
Union Station (Baltimore)
Union Station (Baltimore) was an earlier major railroad terminal in Baltimore that served as the city's primary passenger rail hub before being superseded by Pennsylvania Station.
-
E.
Farragut North station
Farragut North station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the Red Line near Farragut Square.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
former building
ⓘ
railway station ⓘ |
| architecturalStyle | Victorian architecture ⓘ |
| assassin | Charles J. Guiteau ⓘ |
| associatedWith |
Charles J. Guiteau
ⓘ
James A. Garfield ⓘ Pennsylvania Railroad system ⓘ
linked to:
Pennsylvania Railroad Company
|
| category |
James A. Garfield
ⓘ
assassinations in the United States ⓘ demolished buildings and structures in Washington, D.C. ⓘ former railway stations in Washington, D.C. ⓘ |
| country | United States of America ⓘ |
| dateOfEvent | 1881-07-02 ⓘ |
| demolishedFor | construction of the National Mall parkland ⓘ |
| demolitionDate | 1908 ⓘ |
| era | 19th century ⓘ |
| function | passenger terminal ⓘ |
| historicalSignificance | site of a U.S. presidential assassination ⓘ |
| locatedIn |
District of Columbia
ⓘ
Washington, D.C. ⓘ |
| locatedNear |
National Mall
ⓘ
United States Capitol ⓘ |
| locatedOn | National Mall ⓘ |
| notableEvent | assassination of James A. Garfield ⓘ |
| openingDate | 1873 ⓘ |
| partOf | rail network of the Pennsylvania Railroad ⓘ |
| railwayCompany |
Baltimore and Potomac Railroad
ⓘ
linked to:
Baltimore & Potomac Railroad
Pennsylvania Railroad ⓘ
linked to:
Pennsylvania Railroad Company
|
| railwayLineServed |
Baltimore and Potomac Railroad
ⓘ
linked to:
Baltimore & Potomac Railroad
|
| replacedBy |
Washington Union Station
ⓘ
linked to:
Union Station
|
| servedAs |
terminal for trains from Baltimore
ⓘ
terminal for trains to the Northeast ⓘ |
| servedCity | Washington, D.C. ⓘ |
| servedRegion |
Mid-Atlantic United States
ⓘ
linked to:
Mid-Atlantic states
|
| status | demolished ⓘ |
| transportMode | rail ⓘ |
| usedAs | intercity railway station ⓘ |
| victimOfAssassination | James A. Garfield ⓘ |
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: Baltimore and Potomac Railroad Station, Washington, D.C. Description of subject: The Baltimore and Potomac Railroad Station in Washington, D.C., was a 19th-century train depot best known as the site of President James A. Garfield’s assassination in 1881.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Baltimore & Potomac Railroad
→
hadStation
→
Baltimore & Potomac Railroad Station (Washington, D.C.)
ⓘ
linked to: Baltimore and Potomac Railroad Station, Washington, D.C.