River Line light rail
E50257
River Line light rail is a New Jersey light rail transit service that runs along the Delaware River corridor, connecting Trenton and Camden with multiple intermediate communities.
All labels observed (5)
| Label | Occurrences |
|---|---|
| River Line light rail canonical | 4 |
| River Line (New Jersey Transit) | 1 |
| River Line at Pennsauken Transit Center | 1 |
| River Line light rail network | 1 |
| River Line light rail station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T375165 — 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: River Line light rail Context triple: [NJ Transit, operates, River Line light rail]
-
A.
Newark Light Rail
Newark Light Rail is a light rail transit system serving the city of Newark, New Jersey, connecting downtown, residential neighborhoods, and key regional transit hubs.
-
B.
Hudson–Bergen Light Rail
The Hudson–Bergen Light Rail is a modern light rail transit system serving waterfront communities and urban centers in Hudson County, New Jersey, providing frequent local service along the Hudson River corridor.
-
C.
Camden Line
The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
-
D.
SEPTA Broad Street Line
The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
-
E.
Baltimore Light Rail
Baltimore Light Rail is a regional light rail transit system serving Baltimore, Maryland, and its surrounding suburbs.
- 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: River Line light rail Target entity description: River Line light rail is a New Jersey light rail transit service that runs along the Delaware River corridor, connecting Trenton and Camden with multiple intermediate communities.
-
A.
Newark Light Rail
Newark Light Rail is a light rail transit system serving the city of Newark, New Jersey, connecting downtown, residential neighborhoods, and key regional transit hubs.
-
B.
Hudson–Bergen Light Rail
The Hudson–Bergen Light Rail is a modern light rail transit system serving waterfront communities and urban centers in Hudson County, New Jersey, providing frequent local service along the Hudson River corridor.
-
C.
Camden Line
The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
-
D.
SEPTA Broad Street Line
The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
-
E.
Baltimore Light Rail
Baltimore Light Rail is a regional light rail transit system serving Baltimore, Maryland, and its surrounding suburbs.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
light rail transit line
ⓘ
public transportation service ⓘ |
| connectsWith |
Atlantic City Line at Pennsauken Transit Center
ⓘ
linked to:
NJ Transit Atlantic City Line
Northeast Corridor Line at Trenton ⓘ
linked to:
Northeast Corridor Line (NJ Transit)
River LINE–PATCO transfer at Walter Rand Transportation Center ⓘ
linked to:
PATCO Speedline
|
| constructionStartDate | early 2000s ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | diesel multiple unit operation ⓘ |
| fareIntegration |
NJ Transit bus network
ⓘ
linked to:
NJ Transit
NJ Transit commuter rail at Trenton ⓘ PATCO Speedline at Camden ⓘ |
| fareSystem | proof-of-payment ⓘ |
| follows |
Delaware River corridor
ⓘ
linked to:
Delaware River
|
| freightOperatorOnCorridor |
Conrail Shared Assets Operations
ⓘ
linked to:
Conrail
|
| lineLength |
approximately 34 miles
ⓘ
approximately 55 kilometers ⓘ |
| locatedIn |
New Jersey
ⓘ
linked to:
New Jersey, United States
|
| numberOfStations | 20+ stations ⓘ |
| numberOfTracks | single track with passing sidings ⓘ |
| opened | 2004 ⓘ |
| operator | NJ Transit ⓘ |
| owner |
New Jersey Transit
ⓘ
linked to:
NJ Transit
|
| primaryCorridor | Trenton–Camden ⓘ |
| primaryFunction | regional transit along Delaware River communities ⓘ |
| regionServed |
Delaware Valley
ⓘ
South Jersey ⓘ |
| rollingStock |
Stadler GTW diesel multiple units
ⓘ
linked to:
Stadler GTW DMU
|
| safetySystem | temporal separation from freight trains ⓘ |
| servesCity |
Camden
ⓘ
Trenton ⓘ
linked to:
Trenton, New Jersey
|
| servesMunicipality |
Bordentown
ⓘ
linked to:
Bordentown, New Jersey
Burlington ⓘ Chesterfield Township vicinity ⓘ Cinnaminson ⓘ Delanco ⓘ Edgewater Park ⓘ Florence Township ⓘ Hamilton Township, Mercer County ⓘ
linked to:
Hamilton Township, Mercer County, New Jersey
Palmyra ⓘ
linked to:
Palmyrene region
Pennsauken ⓘ Riverside ⓘ Riverton ⓘ |
| servicePattern | all-stops local service ⓘ |
| serviceType | light rail ⓘ |
| terminus |
Camden
ⓘ
Entertainment Center station ⓘ Trenton Transit Center ⓘ Walter Rand Transportation Center ⓘ |
| trackGauge | standard gauge ⓘ |
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: River Line light rail Description of subject: River Line light rail is a New Jersey light rail transit service that runs along the Delaware River corridor, connecting Trenton and Camden with multiple intermediate communities.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: River Line light rail
linked to: River Line light rail
linked to: River Line light rail
linked to: River Line light rail