Tri-Rail
E143581
Tri-Rail is a commuter rail system in South Florida that connects major cities and transportation hubs across the Miami, Fort Lauderdale, and West Palm Beach metropolitan area.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Tri-Rail canonical | 20 |
| Tri-County Commuter Rail Authority | 1 |
| Tri-Rail commuter rail | 1 |
| Tri-Rail commuter rail service | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1189838 — 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: Tri-Rail Context triple: [Miami International Airport, hasPublicTransitConnection, Tri-Rail]
-
A.
Peninsula rail corridor
The Peninsula rail corridor is the major rail line running through California’s San Francisco Peninsula, carrying both commuter and intercity trains between San Francisco and the South Bay.
-
B.
Northstar commuter rail
Northstar commuter rail is a commuter train service in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with northern suburbs and exurban communities.
-
C.
Altamont Corridor Express
Altamont Corridor Express is a commuter rail service in Northern California that connects Central Valley communities with the San Francisco Bay Area.
-
D.
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.
-
E.
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.
- 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: Tri-Rail Target entity description: Tri-Rail is a commuter rail system in South Florida that connects major cities and transportation hubs across the Miami, Fort Lauderdale, and West Palm Beach metropolitan area.
-
A.
Peninsula rail corridor
The Peninsula rail corridor is the major rail line running through California’s San Francisco Peninsula, carrying both commuter and intercity trains between San Francisco and the South Bay.
-
B.
Northstar commuter rail
Northstar commuter rail is a commuter train service in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with northern suburbs and exurban communities.
-
C.
Altamont Corridor Express
Altamont Corridor Express is a commuter rail service in Northern California that connects Central Valley communities with the San Francisco Bay Area.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail system
ⓘ
public transportation system ⓘ railway line ⓘ |
| connectsCity |
City of Boca Raton, Florida
ⓘ
surface form:
Boca Raton
Fort Lauderdale ⓘ Hollywood, Florida, United States ⓘ
surface form:
Hollywood, Florida
Miami ⓘ West Palm Beach ⓘ |
| connectsWith |
Amtrak
ⓘ
Brightline via shared metropolitan area ⓘ Fort Lauderdale-Hollywood International Airport via shuttle ⓘ Miami International Airport ⓘ Metrorail ⓘ
surface form:
Miami Metrorail
Palm Beach International Airport via shuttle ⓘ local bus systems in Broward County ⓘ local bus systems in Miami-Dade County ⓘ local bus systems in Palm Beach County ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | none ⓘ |
| fareSystem | zone-based ⓘ |
| hasServicePattern |
reduced weekend service
ⓘ
weekday commuter-focused service ⓘ |
| headquartersLocation | Pompano Beach, Florida ⓘ |
| inception | 1989 ⓘ |
| lineLength | approximately 72 miles ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| numberOfStations | 18 ⓘ |
| offPeakServiceFrequency | approximately 60 minutes ⓘ |
| operator | South Florida Regional Transportation Authority ⓘ |
| owner | South Florida Regional Transportation Authority ⓘ |
| ownerOfInfrastructure | South Florida Regional Transportation Authority ⓘ |
| peakServiceFrequency | approximately 20–30 minutes ⓘ |
| primaryCorridor |
South Florida Regional Transportation Authority
ⓘ
surface form:
South Florida Rail Corridor
|
| propulsion | diesel ⓘ |
| purpose |
provide commuter rail service in South Florida
ⓘ
reduce traffic congestion on Interstate 95 ⓘ |
| rollingStock |
bi-level passenger coaches
ⓘ
diesel locomotives ⓘ |
| safetySystem | Positive Train Control ⓘ |
| servesArea |
Fort Lauderdale
ⓘ
surface form:
Fort Lauderdale metropolitan area
Miami metropolitan area ⓘ South Florida ⓘ West Palm Beach metropolitan area ⓘ |
| serviceType | commuter rail ⓘ |
| state | Florida ⓘ |
| terminus |
Mangonia Park station
ⓘ
Miami Airport station ⓘ |
| trackGauge | standard gauge ⓘ |
| usesRailLineOwnedBy | CSX Transportation ⓘ |
| website | https://www.tri-rail.com/ ⓘ |
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: Tri-Rail Description of subject: Tri-Rail is a commuter rail system in South Florida that connects major cities and transportation hubs across the Miami, Fort Lauderdale, and West Palm Beach metropolitan area.
Referenced by (23)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Hollywood, Florida
subject surface form:
West Palm Beach
this entity surface form:
Tri-Rail commuter rail service
subject surface form:
Gold Coast (South Florida)
this entity surface form:
Tri-Rail commuter rail
this entity surface form:
Tri-County Commuter Rail Authority