Mashhad Metro Line 3
E1047468
Mashhad Metro Line 3 is a planned urban rail line in the Mashhad Metro system in Mashhad, Iran, intended to expand rapid transit coverage across the city.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mashhad Metro Line 3 canonical | 1 |
| line 3 of Mashhad Metro | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13432556 — 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: Mashhad Metro Line 3 Context triple: [Mashhad Metro, hasLine, Mashhad Metro Line 3]
-
A.
Mashhad Metro Line 2
Mashhad Metro Line 2 is a major rapid transit line in the Mashhad urban rail network, serving as one of the city’s primary east–west public transportation corridors.
-
B.
Tehran Metro Line 3
Tehran Metro Line 3 is a major north–south rapid transit line in Tehran’s metro network, serving as one of the city’s key high-capacity urban rail corridors.
-
C.
Mashhad Metro
Mashhad Metro is the urban rapid transit system serving the city of Mashhad in northeastern Iran, providing high-capacity public transportation across the metropolitan area.
-
D.
Tehran Metro Line 2
Tehran Metro Line 2 is a major east–west rapid transit line in Tehran’s metro system, serving numerous central and western districts and providing key transfer connections with several other lines.
-
E.
Tehran Metro Line 4
Tehran Metro Line 4 is one of the main east–west rapid transit lines in Tehran’s metro network, serving key urban areas and providing access to major hubs including the route toward Mehrabad International Airport.
- 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: Mashhad Metro Line 3 Target entity description: Mashhad Metro Line 3 is a planned urban rail line in the Mashhad Metro system in Mashhad, Iran, intended to expand rapid transit coverage across the city.
-
A.
Mashhad Metro Line 2
Mashhad Metro Line 2 is a major rapid transit line in the Mashhad urban rail network, serving as one of the city’s primary east–west public transportation corridors.
-
B.
Tehran Metro Line 3
Tehran Metro Line 3 is a major north–south rapid transit line in Tehran’s metro network, serving as one of the city’s key high-capacity urban rail corridors.
-
C.
Mashhad Metro
Mashhad Metro is the urban rapid transit system serving the city of Mashhad in northeastern Iran, providing high-capacity public transportation across the metropolitan area.
-
D.
Tehran Metro Line 2
Tehran Metro Line 2 is a major east–west rapid transit line in Tehran’s metro system, serving numerous central and western districts and providing key transfer connections with several other lines.
-
E.
Tehran Metro Line 4
Tehran Metro Line 4 is one of the main east–west rapid transit lines in Tehran’s metro network, serving key urban areas and providing access to major hubs including the route toward Mehrabad International Airport.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
planned metro line
ⓘ
rapid transit line ⓘ urban rail line ⓘ |
| cityServed | Mashhad ⓘ |
| country | Iran ⓘ |
| countryLanguage | Persian ⓘ |
| electrification | electric traction (planned) ⓘ |
| fareSystem | Mashhad Metro fare system ⓘ |
| gauge | standard gauge (inferred for Mashhad Metro) ⓘ |
| goal |
improve urban mobility in Mashhad
ⓘ
increase metro network coverage in Mashhad ⓘ |
| hasNumber | 3 ⓘ |
| isPartOf |
Mashhad public transport network
ⓘ
linked to:
Mashhad Bus Rapid Transit
|
| locatedIn |
Iran
ⓘ
Mashhad ⓘ Razavi Khorasan Province ⓘ |
| mode | rail ⓘ |
| networkRole |
line 3 of Mashhad Metro
ⓘ
linked to:
Mashhad Metro Line 3
|
| operator | Mashhad Urban Railway Operation Company ⓘ |
| owner |
Mashhad Urban Railway Organization
ⓘ
linked to:
Mashhad Urban Railway Operation Company
Municipality of Mashhad ⓘ
linked to:
Mashhad municipality
|
| partOf | Mashhad Metro ⓘ |
| publicTransportSystem |
Mashhad urban rail network
ⓘ
linked to:
Mashhad Metro
|
| purpose | expand rapid transit coverage across Mashhad ⓘ |
| regionServed | urban area of Mashhad ⓘ |
| serviceType | passenger ⓘ |
| status | planned ⓘ |
| system | Mashhad Metro ⓘ |
| transportType |
metro
ⓘ
rapid transit ⓘ |
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: Mashhad Metro Line 3 Description of subject: Mashhad Metro Line 3 is a planned urban rail line in the Mashhad Metro system in Mashhad, Iran, intended to expand rapid transit coverage across the city.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mashhad Metro Line 3