Metrorail Yellow Line
E872263
The Metrorail Yellow Line is a Washington, D.C. Metro rapid transit line running primarily north–south between suburban Virginia and the District, serving key downtown and waterfront areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Metrorail Yellow Line canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T10546639 — 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: Metrorail Yellow Line Context triple: [Metroway, connectsTo, Metrorail Yellow Line]
-
A.
Metrorail Orange Line
The Metrorail Orange Line is a Washington, D.C. Metro rapid transit line that runs east–west through the region, connecting downtown D.C. with Arlington, Fairfax County, and beyond.
-
B.
Metrorail Blue Line
The Metrorail Blue Line is a Washington, D.C. Metro rapid transit line that runs through the capital region, connecting key suburbs and urban centers across Virginia and the District of Columbia.
-
C.
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.
-
D.
METRORail Purple Line
The METRORail Purple Line is a light rail line in Houston, Texas, serving southeastern neighborhoods and key destinations as part of the city’s METRORail transit system.
-
E.
METRO Orange Line
The METRO Orange Line is a bus rapid transit route in the Minneapolis–Saint Paul metropolitan area that provides high-frequency service along the I-35W corridor, connecting downtown Minneapolis with suburbs including Bloomington.
- 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: Metrorail Yellow Line Target entity description: The Metrorail Yellow Line is a Washington, D.C. Metro rapid transit line running primarily north–south between suburban Virginia and the District, serving key downtown and waterfront areas.
-
A.
Metrorail Orange Line
The Metrorail Orange Line is a Washington, D.C. Metro rapid transit line that runs east–west through the region, connecting downtown D.C. with Arlington, Fairfax County, and beyond.
-
B.
Metrorail Blue Line
The Metrorail Blue Line is a Washington, D.C. Metro rapid transit line that runs through the capital region, connecting key suburbs and urban centers across Virginia and the District of Columbia.
-
C.
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.
-
D.
METRORail Purple Line
The METRORail Purple Line is a light rail line in Houston, Texas, serving southeastern neighborhoods and key destinations as part of the city’s METRORail transit system.
-
E.
METRO Orange Line
The METRO Orange Line is a bus rapid transit route in the Minneapolis–Saint Paul metropolitan area that provides high-frequency service along the I-35W corridor, connecting downtown Minneapolis with suburbs including Bloomington.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| abbreviation | Yellow Line NERFINISHED ⓘ |
| character |
at-grade
ⓘ
elevated ⓘ underground ⓘ |
| colorOnMap | yellow ⓘ |
| connectsRegion |
District of Columbia
NERFINISHED
ⓘ
Northern Virginia NERFINISHED ⓘ |
| crossesRiver | Potomac River NERFINISHED ⓘ |
| direction | north–south ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareMedium | SmarTrip card ⓘ |
| fareSystem | distance-based ⓘ |
| locale | Washington, D.C. metropolitan area NERFINISHED ⓘ |
| operator | Washington Metropolitan Area Transit Authority ⓘ |
| rollingStock |
WMATA 2000-series railcars
NERFINISHED
ⓘ
WMATA 3000-series railcars NERFINISHED ⓘ WMATA 6000-series railcars NERFINISHED ⓘ WMATA 7000-series railcars NERFINISHED ⓘ |
| safetySystem | automatic train control ⓘ |
| servesArea |
downtown Washington, D.C.
NERFINISHED
ⓘ
waterfront areas of Washington, D.C. ⓘ |
| servesCity | Washington, D.C. NERFINISHED ⓘ |
| servesState |
Maryland
NERFINISHED
ⓘ
Virginia NERFINISHED ⓘ |
| servesStation |
Archives
ⓘ
Braddock Road NERFINISHED ⓘ Columbia Heights NERFINISHED ⓘ Crystal City NERFINISHED ⓘ Eisenhower Avenue NERFINISHED ⓘ Fort Totten NERFINISHED ⓘ Gallery Place NERFINISHED ⓘ Georgia Avenue–Petworth NERFINISHED ⓘ Greenbelt NERFINISHED ⓘ Huntington NERFINISHED ⓘ King Street–Old Town NERFINISHED ⓘ L’Enfant Plaza NERFINISHED ⓘ Mount Vernon Square NERFINISHED ⓘ National Airport NERFINISHED ⓘ Pentagon NERFINISHED ⓘ Pentagon City NERFINISHED ⓘ Shaw–Howard University NERFINISHED ⓘ U Street NERFINISHED ⓘ |
| sharesTracksWith | Green Line NERFINISHED ⓘ |
| system | Washington Metro NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usesBridge | Fenwick Bridge NERFINISHED ⓘ |
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: Metrorail Yellow Line Description of subject: The Metrorail Yellow Line is a Washington, D.C. Metro rapid transit line running primarily north–south between suburban Virginia and the District, serving key downtown and waterfront areas.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Metroway