Line 3
E469227
Line 3 is a major north–south route of the Seoul Metropolitan Subway system, connecting key residential and commercial districts across the city and into surrounding areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 3 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4749914 — 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: Line 3 Context triple: [Seoul Metropolitan Subway, hasPart, Line 3]
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A.
Line 3
Line 3 is a rapid transit line of the Toronto subway system, commonly known as the Scarborough RT, that served the Scarborough district.
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B.
Line 3
Line 3 is a route of Mexico City’s Metrobús bus rapid transit system that serves key corridors with dedicated lanes and high-capacity articulated buses.
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C.
Line 3
Line 3 is a major line of the Moscow Metro system, known for serving central Moscow and connecting key residential and commercial districts.
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D.
Line 3
Line 3 is one of the main lines of the Barcelona Metro system, running through central parts of the city and connecting several key stations and neighborhoods.
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E.
Line 3
Line 3 is a Culver CityBus route in the Los Angeles area that connects key destinations across Culver City and nearby communities.
- 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: Line 3 Target entity description: Line 3 is a major north–south route of the Seoul Metropolitan Subway system, connecting key residential and commercial districts across the city and into surrounding areas.
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A.
Line 3
Line 3 is a major north–south route of the Tehran Metro system, connecting key residential and commercial areas across the city.
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B.
Line 3
Line 3 is a major line of the Moscow Metro system, known for serving central Moscow and connecting key residential and commercial districts.
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C.
Line 3
Line 3 is one of the main lines of the Mexico City Metro system, running in a generally north–south direction and serving several key residential and commercial areas.
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D.
Line 3
Line 3 is a major north–south rapid transit route of the Shanghai Metro system, known for its elevated tracks and extensive coverage across the city.
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E.
Line 3
Line 3 is one of the main lines of the Barcelona Metro system, running through central parts of the city and connecting several key stations and neighborhoods.
- F. None of above. chosen
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| connects |
Gangnam area
NERFINISHED
ⓘ
Goyang NERFINISHED ⓘ Jongno area NERFINISHED ⓘ Seoul NERFINISHED ⓘ Yongsan area NERFINISHED ⓘ |
| electrification | 750 V DC third rail ⓘ |
| hasDirection | north–south ⓘ |
| hasStation |
Anguk station
NERFINISHED
ⓘ
Apgujeong station NERFINISHED ⓘ Chungmuro station NERFINISHED ⓘ Daehwa station NERFINISHED ⓘ Dogok station NERFINISHED ⓘ Dongguk University station NERFINISHED ⓘ Dongnimmun station NERFINISHED ⓘ Euljiro 3-ga station NERFINISHED ⓘ Express Bus Terminal station NERFINISHED ⓘ Garak Market station NERFINISHED ⓘ Gupabal station NERFINISHED ⓘ Gyeongbokgung station NERFINISHED ⓘ Hongje station NERFINISHED ⓘ Jichuk station NERFINISHED ⓘ Jongno 3-ga station NERFINISHED ⓘ Juyeop station NERFINISHED ⓘ Maebong station NERFINISHED ⓘ Muakjae station NERFINISHED ⓘ Ogeum station NERFINISHED ⓘ Oksu station NERFINISHED ⓘ Sinsa station NERFINISHED ⓘ Suseo station NERFINISHED ⓘ Wondang station NERFINISHED ⓘ Yaksu station NERFINISHED ⓘ Yangjae station NERFINISHED ⓘ Yeonsinnae station NERFINISHED ⓘ |
| hasTerminus |
Daehwa station
NERFINISHED
ⓘ
Ogeum station NERFINISHED ⓘ |
| interchangeWith |
Bundang Line
NERFINISHED
ⓘ
Gyeongui–Jungang Line NERFINISHED ⓘ Line 1 (Seoul Metropolitan Subway) NERFINISHED ⓘ Line 2 (Seoul Metropolitan Subway) NERFINISHED ⓘ Line 4 (Seoul Metropolitan Subway) NERFINISHED ⓘ Line 5 (Seoul Metropolitan Subway) NERFINISHED ⓘ Line 7 (Seoul Metropolitan Subway) NERFINISHED ⓘ Shinbundang Line NERFINISHED ⓘ |
| lineColor | orange ⓘ |
| locatedIn |
Seoul
NERFINISHED
ⓘ
South Korea NERFINISHED ⓘ |
| openingDate | 1985-10-18 ⓘ |
| operator |
Korail
NERFINISHED
ⓘ
Seoul Metro NERFINISHED ⓘ |
| partOf | Seoul Metropolitan Subway NERFINISHED ⓘ |
| serves |
commercial districts of Seoul
ⓘ
residential districts of Seoul ⓘ |
| serviceType | heavy rail ⓘ |
| trackGauge | standard gauge ⓘ |
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: Line 3 Description of subject: Line 3 is a major north–south route of the Seoul Metropolitan Subway system, connecting key residential and commercial districts across the city and into surrounding areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.