Line 7
E199303
Line 7 is one of the main lines of the Tehran Metro rapid transit network, serving various districts of Iran’s capital city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 7 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1658609 — 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 7 Context triple: [Tehran Metro, hasLine, Line 7]
-
A.
Line 7
Line 7 is a route of Mexico City’s Metrobús bus rapid transit system that serves key corridors with dedicated lanes and high-capacity articulated buses.
-
B.
Line 7
Line 7 is an east–west rapid transit line of the Beijing Subway serving several central and southwestern districts of Beijing.
-
C.
Line 7
Line 7 is a rapid transit line of the Guangzhou Metro system serving parts of Guangzhou and its surrounding areas.
-
D.
Line 8
Line 8 is a route of Mexico City’s Metrobús bus rapid transit system, serving key corridors with dedicated lanes and station platforms.
-
E.
Line 8
Line 8 is a line of the Mexico City Metro system that runs in a generally north–south direction, connecting key residential and commercial areas of the city.
- 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 7 Target entity description: Line 7 is one of the main lines of the Tehran Metro rapid transit network, serving various districts of Iran’s capital city.
-
A.
Line 7
Line 7 is a route of Mexico City’s Metrobús bus rapid transit system that serves key corridors with dedicated lanes and high-capacity articulated buses.
-
B.
Line 7
Line 7 is an east–west rapid transit line of the Beijing Subway serving several central and southwestern districts of Beijing.
-
C.
Line 7
Line 7 is a rapid transit line of the Guangzhou Metro system serving parts of Guangzhou and its surrounding areas.
-
D.
Line 8
Line 8 is a line of the Mexico City Metro system that runs in a generally north–south direction, connecting key residential and commercial areas of the city.
-
E.
Line 8
Line 8 is a rapid transit line of the Guangzhou Metro system in Guangzhou, China, serving as one of the city's key urban rail corridors.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| city | Tehran ⓘ |
| connects | multiple urban districts in Tehran ⓘ |
| country | Iran ⓘ |
| electrification | electric railway ⓘ |
| fareSystem | Tehran Metro fare system ⓘ |
| hasColor | designated line color on Tehran Metro maps ⓘ |
| hasLanguage |
Persian
ⓘ
linked to:
Persian language
|
| hasMapRepresentation | Tehran Metro network map ⓘ |
| hasRouteNumber | 7 ⓘ |
| hasStations | multiple metro stations in Tehran ⓘ |
| isPartOf |
Tehran public transport network
ⓘ
linked to:
Tehran Metro
|
| locatedIn |
Iran
ⓘ
Tehran ⓘ Tehran Province ⓘ |
| networkRole | one of the main lines of the Tehran Metro ⓘ |
| operator | Tehran Urban and Suburban Railways Organization ⓘ |
| ownedBy | Tehran Municipality ⓘ |
| partOf | Tehran Metro ⓘ |
| publicTransportMode | rail ⓘ |
| serves | various districts of Tehran ⓘ |
| system |
Tehran Metro rapid transit network
ⓘ
linked to:
Tehran Metro
|
| transportType | rapid transit ⓘ |
| usedFor | urban passenger transport ⓘ |
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 7 Description of subject: Line 7 is one of the main lines of the Tehran Metro rapid transit network, serving various districts of Iran’s capital city.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.