Mashhad Metro Line 2
E1045012
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mashhad Metro Line 2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13432555 — 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 2 Context triple: [Mashhad Metro, hasLine, Mashhad Metro Line 2]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Tehran Metro Line 5
Tehran Metro Line 5 is a suburban commuter rail line of the Tehran Metro system that connects Tehran with the nearby city of Karaj and surrounding satellite towns.
-
E.
Tehran Metro Line 6
Tehran Metro Line 6 is a major north–south and east–west rapid transit line in Tehran’s urban rail network, designed to improve connectivity across central and peripheral districts of Iran’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: Mashhad Metro Line 2 Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Tehran Metro Line 5
Tehran Metro Line 5 is a suburban commuter rail line of the Tehran Metro system that connects Tehran with the nearby city of Karaj and surrounding satellite towns.
-
E.
Tehran Metro Line 6
Tehran Metro Line 6 is a major north–south and east–west rapid transit line in Tehran’s urban rail network, designed to improve connectivity across central and peripheral districts of Iran’s capital.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| connectsWith | Mashhad Metro Line 1 ⓘ |
| country | Iran ⓘ |
| direction | east–west ⓘ |
| electrification | overhead catenary ⓘ |
| fareSystem | integrated with Mashhad Metro network ⓘ |
| hasColor | blue ⓘ |
| hasInterchange |
Shariati Station
ⓘ
linked to:
Shariati station
Tabarsi Station ⓘ |
| hasPlatformType |
island platforms
ⓘ
side platforms ⓘ |
| locatedIn |
Iran
ⓘ
Mashhad ⓘ Razavi Khorasan Province ⓘ |
| modeOfTransport | rail ⓘ |
| numberOfTracks | 2 ⓘ |
| operator | Mashhad Urban Railway Operation Company ⓘ |
| owner | Mashhad Urban Railway Operation Company ⓘ |
| partOf | Mashhad Metro ⓘ |
| safetySystem |
automatic train protection
ⓘ
signaling system for metro operations ⓘ |
| servesAs | primary east–west public transportation corridor in Mashhad ⓘ |
| serviceArea |
central Mashhad
ⓘ
eastern Mashhad ⓘ western Mashhad ⓘ |
| system |
Mashhad Urban Rail Network
ⓘ
linked to:
Mashhad Metro
|
| trackGauge | standard gauge ⓘ |
| transitType | rapid transit ⓘ |
| usesRollingStock | electric multiple units ⓘ |
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 2 Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.