Yellow Line
E222819
The Yellow Line is a designated route within the Baltimore Light Rail system that serves as one of its primary color-coded service lines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yellow Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1414290 — 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: Yellow Line Context triple: [Baltimore Light Rail, hasLine, Yellow Line]
-
A.
Yellow Line
The Yellow Line is one of the color-coded rapid transit routes in the Washington Metro system, running primarily in a north–south direction and serving key areas in Washington, D.C. and Northern Virginia.
-
B.
Yellow Line
The Yellow Line is a rapid transit route in Chicago's 'L' system that connects the northern suburb of Skokie to the city's rail network.
-
C.
Yellow Line
The Yellow Line is one of the primary passenger rail routes of the Tyne and Wear Metro rapid transit system serving the Newcastle upon Tyne area in North East England.
-
D.
Yellow Line
The Yellow Line is one of the main lines of the Lisbon Metro system, connecting key residential and commercial areas of Portugal’s capital.
-
E.
Yellow Line
Yellow Line is one of the major rapid transit corridors of the Delhi Metro network, connecting key areas across Delhi and its neighboring regions.
- 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: Yellow Line Target entity description: The Yellow Line is a designated route within the Baltimore Light Rail system that serves as one of its primary color-coded service lines.
-
A.
Yellow Line
The Yellow Line is one of the color-coded rapid transit routes in the Washington Metro system, running primarily in a north–south direction and serving key areas in Washington, D.C. and Northern Virginia.
-
B.
Yellow Line
The Yellow Line is a rapid transit route in Chicago's 'L' system that connects the northern suburb of Skokie to the city's rail network.
-
C.
Yellow Line
The Yellow Line is one of the primary passenger rail routes of the Tyne and Wear Metro rapid transit system serving the Newcastle upon Tyne area in North East England.
-
D.
Yellow Line
The Yellow Line is one of the main lines of the Lisbon Metro system, connecting key residential and commercial areas of Portugal’s capital.
-
E.
Yellow Line
Yellow Line is one of the major rapid transit corridors of the Delhi Metro network, connecting key areas across Delhi and its neighboring regions.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
light rail service line
ⓘ
public transit route ⓘ |
| color | yellow ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | overhead lines ⓘ |
| fareSystem | Maryland Transit Administration fare system ⓘ |
| hasServicePattern | color-coded operations within the Baltimore Light Rail system ⓘ |
| is | one of the primary color-coded service lines of the Baltimore Light Rail ⓘ |
| isPartOfNetwork | Baltimore regional transit network ⓘ |
| locatedIn |
Baltimore
ⓘ
Maryland ⓘ United States ⓘ
linked to:
United States of America
|
| modeOfTransport | rail ⓘ |
| operatedBy | Maryland Transit Administration ⓘ |
| owner | Maryland Transit Administration ⓘ |
| partOf |
Baltimore Light Rail
ⓘ
Baltimore Light RailLink ⓘ |
| publicTransportCategory | light rail line ⓘ |
| safetyRegulator | Maryland Department of Transportation ⓘ |
| serves | commuters in the Baltimore metropolitan area ⓘ |
| serviceType | light rail transit ⓘ |
| systemType | urban rail transit ⓘ |
| trackGauge | standard gauge ⓘ |
| usedFor | urban passenger transport ⓘ |
| uses | color-coded route designation ⓘ |
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: Yellow Line Description of subject: The Yellow Line is a designated route within the Baltimore Light Rail system that serves as one of its primary color-coded service lines.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.