Mashhad Metro
E313647
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.
All labels observed (11)
How this entity was disambiguated
This entity first appeared as the object of triple T2961929 — 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 Context triple: [Mashhad, hasMetroSystem, Mashhad Metro]
-
A.
Tehran Metro
Tehran Metro is the rapid transit system serving Iran’s capital, providing extensive urban and suburban rail transport across the Tehran metropolitan area.
-
B.
Tehran Metro Line 9
Tehran Metro Line 9 is a planned rapid transit line intended to expand and improve the urban rail network in Iran’s capital, Tehran.
-
C.
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.
-
D.
Tehran Metro Line 8
Tehran Metro Line 8 is a planned or operational rapid transit line within the Tehran Metro system, serving as part of the urban rail network in Iran’s capital.
-
E.
Tehran Bus Rapid Transit
Tehran Bus Rapid Transit is a dedicated-lane bus network in Iran’s capital that provides high-capacity, rapid public transportation across major urban corridors.
- 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 Target entity description: 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.
-
A.
Tehran Metro
Tehran Metro is the rapid transit system serving Iran’s capital, providing extensive urban and suburban rail transport across the Tehran metropolitan area.
-
B.
Tehran Metro Line 9
Tehran Metro Line 9 is a planned rapid transit line intended to expand and improve the urban rail network in Iran’s capital, Tehran.
-
C.
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.
-
D.
Tehran Metro Line 8
Tehran Metro Line 8 is a planned or operational rapid transit line within the Tehran Metro system, serving as part of the urban rail network in Iran’s capital.
-
E.
Tehran Bus Rapid Transit
Tehran Bus Rapid Transit is a dedicated-lane bus network in Iran’s capital that provides high-capacity, rapid public transportation across major urban corridors.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
public transport network ⓘ rapid transit system ⓘ |
| connectsTo |
Mashhad Bus Rapid Transit
ⓘ
Mashhad International Airport ⓘ Mashhad city buses ⓘ Mashhad railway station ⓘ |
| continent | Asia ⓘ |
| country | Iran ⓘ |
| electrification | overhead catenary ⓘ |
| fareCollection | automatic fare collection system ⓘ |
| fareSystem |
smart card
ⓘ
ticket-based ⓘ |
| gauge | standard gauge ⓘ |
| hasFeature |
at-grade sections
ⓘ
elevated sections ⓘ underground sections ⓘ |
| hasLine |
Mashhad Metro Line 1
ⓘ
linked to:
Mashhad Metro
Mashhad Metro Line 2 ⓘ Mashhad Metro Line 3 ⓘ Mashhad Metro Line 4 ⓘ |
| hasStation |
Ghadir station
ⓘ
Hasheminejad Airport station ⓘ Shariati station ⓘ Vakilabad station ⓘ |
| isPartOf | public transport in Mashhad ⓘ |
| languageOfSignage |
English
ⓘ
Persian ⓘ |
| locatedIn |
Mashhad
ⓘ
Razavi Khorasan Province ⓘ northeastern Iran ⓘ |
| numberOfLines | 4 ⓘ |
| openingDate | 2011-04-24 ⓘ |
| operator |
Mashhad Urban Railway Operation Company
ⓘ
linked to:
Mashhad Metro
|
| owner |
Mashhad Urban Railway Organization
ⓘ
linked to:
Mashhad Metro
|
| peakUsage | religious pilgrimage periods in Mashhad ⓘ |
| primaryFunction |
mass transit
ⓘ
public transportation ⓘ |
| purpose |
improve urban mobility in Mashhad
ⓘ
reduce traffic congestion in Mashhad ⓘ |
| regionServed | Khorasan Razavi urban area ⓘ |
| rollingStockType | electric multiple units ⓘ |
| safetySystem | automatic train protection ⓘ |
| serves |
Mashhad metropolitan area
ⓘ
linked to:
Mashhad
|
| servesSite |
Imam Reza Shrine area
ⓘ
linked to:
Imam Reza Shrine
|
| systemLength | over 20 kilometres ⓘ |
| trackConfiguration | double track ⓘ |
| transportType |
rapid transit
ⓘ
urban rail ⓘ |
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 Description of subject: 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.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mashhad Metro
linked to: Mashhad Metro
linked to: Mashhad Metro
linked to: Mashhad Metro
linked to: Mashhad Metro
linked to: Mashhad Metro
linked to: Mashhad Metro
linked to: Mashhad Metro
linked to: Mashhad Metro
linked to: Mashhad Metro
linked to: Mashhad Metro