RTA Blue and Green Lines system
E770414
The RTA Blue and Green Lines system is a light rail network in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key east-side suburbs and downtown areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RTA Blue and Green Lines system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8947257 — 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: RTA Blue and Green Lines system Context triple: [RTA Waterfront Line, partOf, RTA Blue and Green Lines system]
-
A.
RTA Green Line
RTA Green Line is a light rail transit line in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key areas including downtown Cleveland and the eastern suburbs.
-
B.
RTA Blue Line
RTA Blue Line is a light rail transit route in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key corridors between downtown and the eastern suburbs.
-
C.
RTA Red Line
The RTA Red Line is a heavy rail rapid transit route in Cleveland, Ohio, running between Cleveland Hopkins International Airport and the Windermere station in East Cleveland.
-
D.
Blue Line and Orange Line
The Blue Line and Orange Line are two intersecting Washington Metro rapid transit routes serving Virginia and the District of Columbia, sharing key stations such as Rosslyn.
-
E.
METRORail Red Line
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
- 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: RTA Blue and Green Lines system Target entity description: The RTA Blue and Green Lines system is a light rail network in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key east-side suburbs and downtown areas.
-
A.
RTA Green Line
chosen
RTA Green Line is a light rail transit line in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key areas including downtown Cleveland and the eastern suburbs.
-
B.
RTA Blue Line
RTA Blue Line is a light rail transit route in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key corridors between downtown and the eastern suburbs.
-
C.
RTA Red Line
The RTA Red Line is a heavy rail rapid transit route in Cleveland, Ohio, running between Cleveland Hopkins International Airport and the Windermere station in East Cleveland.
-
D.
Blue Line and Orange Line
The Blue Line and Orange Line are two intersecting Washington Metro rapid transit routes serving Virginia and the District of Columbia, sharing key stations such as Rosslyn.
-
E.
METRORail Red Line
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
- F. None of above.
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
light rail system
ⓘ
public transit system ⓘ |
| connectsWith |
RTA HealthLine
ⓘ
linked to:
RTA HealthLine (nearby)
RTA Red Line ⓘ RTA bus network ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | overhead catenary ⓘ |
| fareCollection | proof-of-payment ⓘ |
| fareSystem | RTA fare system ⓘ |
| governingBody | Greater Cleveland Regional Transit Authority Board ⓘ |
| hasCentralHub | Tower City station ⓘ |
| hasColorDesignation |
blue
ⓘ
green ⓘ |
| hasLine |
Blue Line
ⓘ
Green Line ⓘ |
| hasRollingStockType | light rail vehicles ⓘ |
| isPartOf |
Greater Cleveland public transportation network
ⓘ
linked to:
Greater Cleveland Regional Transit Authority
|
| locatedIn |
Cleveland, Ohio
ⓘ
Cuyahoga County, Ohio ⓘ
linked to:
Cuyahoga County
|
| mode | rail ⓘ |
| operator | Greater Cleveland Regional Transit Authority ⓘ |
| owner | Greater Cleveland Regional Transit Authority ⓘ |
| partOf |
RTA Rapid Transit
ⓘ
linked to:
RTA Rail
|
| primaryCityServed | Cleveland ⓘ |
| regionServed | Greater Cleveland ⓘ |
| serves |
Beachwood vicinity
ⓘ
Cleveland central business district ⓘ
linked to:
Downtown Cleveland
Shaker Heights ⓘ Tower City–Public Square ⓘ downtown Cleveland ⓘ east-side suburbs of Cleveland ⓘ |
| serviceArea | east side of Cleveland metropolitan area ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | light rail ⓘ |
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: RTA Blue and Green Lines system Description of subject: The RTA Blue and Green Lines system is a light rail network in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key east-side suburbs and downtown areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.