Yellow Line
E364096
The Yellow Line is Budapest’s historic Metro Line 1, one of the world’s oldest underground railway lines and a key route running beneath Andrássy Avenue.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yellow Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3375707 — 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: [Metro Line 1 (Millennium Underground), alsoKnownAs, 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.
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B.
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.
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C.
Yellow Line
The Yellow Line is a designated route within the Baltimore Light Rail system that serves as one of its primary color-coded service lines.
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D.
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.
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E.
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.
- 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 Budapest’s historic Metro Line 1, one of the world’s oldest underground railway lines and a key route running beneath Andrássy Avenue.
-
A.
Yellow Line
The Yellow Line is a major corridor of Bengaluru’s Namma Metro system designed to improve north–south connectivity across the city.
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B.
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.
-
C.
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.
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D.
Yellow Line
The Yellow Line is a designated route within the Baltimore Light Rail system that serves as one of its primary color-coded service lines.
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E.
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
underground railway line ⓘ |
| character |
cut-and-cover construction
ⓘ
underground ⓘ |
| color | yellow ⓘ |
| connects |
City Park (Városliget)
ⓘ
city centre of Budapest ⓘ |
| constructionMethod | cut-and-cover ⓘ |
| country | Hungary ⓘ |
| electrification | overhead line ⓘ |
| fareSystem | integrated into Budapest public transport tariff system ⓘ |
| hasRollingStockType | small-profile metro cars ⓘ |
| heritageDesignation | UNESCO World Heritage Site ⓘ |
| heritageStatus | UNESCO World Heritage Site component ⓘ |
| historicalSignificance | first electrified underground railway on the European continent ⓘ |
| languageOfSignage |
English
ⓘ
Hungarian ⓘ |
| locatedIn | Budapest ⓘ |
| notableStation |
Bajcsy-Zsilinszky út
ⓘ
Hősök tere ⓘ Oktogon ⓘ Opera ⓘ |
| numberOfStations | 11 ⓘ |
| numberOfTracks | 2 ⓘ |
| officialName |
Budapest Metro Line 1
ⓘ
linked to:
Budapest Metro
|
| oneOfTheOldest | underground railway lines in the world ⓘ |
| openedFor | Millennium celebrations of Hungary ⓘ |
| openedIn | 1896 ⓘ |
| openingDate | 1896-05-02 ⓘ |
| operatedBy | Budapesti Közlekedési Vállalat ⓘ |
| originalName |
Franz Joseph Underground Electric Railway
ⓘ
linked to:
Budapest Metro
|
| partOf | Budapest Metro ⓘ |
| passesUnder | Andrássy Avenue ⓘ |
| platformConfiguration | side platforms at most stations ⓘ |
| precededBy |
City & South London Railway
ⓘ
linked to:
City and South London Railway
Glasgow Subway ⓘ London Underground ⓘ |
| runsBeneath | Andrássy Avenue ⓘ |
| servesDistrict |
Belváros-Lipótváros (5th district of Budapest)
ⓘ
linked to:
District V (Belváros-Lipótváros)
Terézváros (6th district of Budapest) ⓘ
linked to:
Budapest 6th District
Zugló (14th district of Budapest) ⓘ
linked to:
14th district of Budapest
|
| shortName | M1 ⓘ |
| signallingSystem | fixed-block signalling ⓘ |
| status | in operation ⓘ |
| systemLength | approximately 4.4 km ⓘ |
| terminus |
Mexikói út
ⓘ
Vörösmarty tér ⓘ |
| touristAttraction | yes ⓘ |
| trackGauge | standard gauge ⓘ |
| worldHeritageSiteOf | Budapest, including the Banks of the Danube, the Buda Castle Quarter and Andrássy Avenue ⓘ |
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 Budapest’s historic Metro Line 1, one of the world’s oldest underground railway lines and a key route running beneath Andrássy Avenue.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.