Penn Station (Light RailLink)
E41542
Penn Station (Light RailLink) is a light rail station in Baltimore that serves as a key transit stop adjacent to the city’s main intercity train terminal, Baltimore Penn Station.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Penn Station (Light RailLink) canonical | 2 |
| Penn Station (Baltimore) light rail stop | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T159642 — 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: Penn Station (Light RailLink) Context triple: [Baltimore Light RailLink, hasStation, Penn Station (Light RailLink)]
-
A.
37th Street station
37th Street station is a Philadelphia trolley stop on SEPTA’s Subway–Surface Lines serving the University City area near the University of Pennsylvania.
-
B.
22nd Street station
22nd Street station is an underground trolley stop in Center City Philadelphia serving SEPTA’s Subway–Surface Trolley Lines.
-
C.
Eisenhower Avenue station
Eisenhower Avenue station is a Washington Metro rapid transit stop serving the Yellow Line in Alexandria, Virginia, near the Eisenhower Avenue corridor and adjacent commercial and residential areas.
-
D.
Braddock Road station
Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
-
E.
Sullivan Square station
Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
- 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: Penn Station (Light RailLink) Target entity description: Penn Station (Light RailLink) is a light rail station in Baltimore that serves as a key transit stop adjacent to the city’s main intercity train terminal, Baltimore Penn Station.
-
A.
37th Street station
37th Street station is a Philadelphia trolley stop on SEPTA’s Subway–Surface Lines serving the University City area near the University of Pennsylvania.
-
B.
22nd Street station
22nd Street station is an underground trolley stop in Center City Philadelphia serving SEPTA’s Subway–Surface Trolley Lines.
-
C.
Eisenhower Avenue station
Eisenhower Avenue station is a Washington Metro rapid transit stop serving the Yellow Line in Alexandria, Virginia, near the Eisenhower Avenue corridor and adjacent commercial and residential areas.
-
D.
Braddock Road station
Braddock Road station is a Washington Metro rapid transit station serving the Braddock Road area of Alexandria, Virginia.
-
E.
Sullivan Square station
Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
light rail station
ⓘ
railway station in the United States ⓘ |
| adjacentTo |
Pennsylvania Station (Baltimore)
ⓘ
surface form:
Baltimore Penn Station
|
| category |
Baltimore Light Rail
ⓘ
surface form:
Baltimore Light Rail stations
Railway stations in Baltimore ⓘ |
| city | Baltimore ⓘ |
| connectsTo |
Baltimore/Washington International Thurgood Marshall Airport
ⓘ
surface form:
Baltimore–Washington International Airport
Hunt Valley, Maryland ⓘ
surface form:
Hunt Valley
Downtown Baltimore ⓘ
surface form:
downtown Baltimore
|
| coordinates |
approximate latitude 39.307° N
ⓘ
approximate longitude 76.615° W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fareSystem | Maryland Transit Administration fare system ⓘ |
| hasAccessibility | accessible for people with disabilities ⓘ |
| hasBicycleFacilities | yes ⓘ |
| hasConnections |
Amtrak
ⓘ
MARC Train ⓘ local bus services ⓘ |
| hasElectrification | non-electrified light rail (diesel at opening, later converted to electric) ⓘ |
| hasPassengerRole | major transfer point between regional rail and light rail ⓘ |
| hasPlatformType | side platforms ⓘ |
| hasStationCode | Penn Station (Light RailLink) self-link ⓘ |
| hasStructureType | at-grade station ⓘ |
| hasTracks | 2 ⓘ |
| hasZone |
Maryland Transit Administration
ⓘ
surface form:
MTA Baltimore fare zone
|
| isStopOn |
Light RailLink
ⓘ
surface form:
North–South Light RailLink route
|
| locatedIn |
Baltimore
ⓘ
Maryland ⓘ United States of America ⓘ
surface form:
United States
|
| namedAfter |
Pennsylvania Station (Baltimore)
ⓘ
surface form:
Baltimore Penn Station
|
| opened | 1992 ⓘ |
| operatedBy | Maryland Transit Administration ⓘ |
| ownedBy | Maryland Transit Administration ⓘ |
| partOf | Baltimore Light RailLink ⓘ |
| partOfNetwork |
Baltimore Light Rail
ⓘ
surface form:
Baltimore Light Rail system
|
| serves |
Pennsylvania Station (Baltimore)
ⓘ
surface form:
Baltimore Penn Station
|
| servesArea |
Midtown Baltimore
ⓘ
Station North Arts District ⓘ |
| servesLine |
Light RailLink
ⓘ
surface form:
Light RailLink main line
|
| state | 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: Penn Station (Light RailLink) Description of subject: Penn Station (Light RailLink) is a light rail station in Baltimore that serves as a key transit stop adjacent to the city’s main intercity train terminal, Baltimore Penn Station.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Penn Station (Baltimore) light rail stop