Tehran Metro Line 5 at Eram-e Sabz
E728616
Tehran Metro Line 5 at Eram-e Sabz is a suburban commuter rail line in the Tehran Metro system that links the city to its western outskirts and connects with urban lines at Eram-e Sabz station.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tehran Metro Line 5 at Eram-e Sabz canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8344053 — 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: Tehran Metro Line 5 at Eram-e Sabz Context triple: [Line 4 (Tehran Metro), connectsTo, Tehran Metro Line 5 at Eram-e Sabz]
-
A.
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.
-
B.
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.
-
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 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.
-
E.
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.
- 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: Tehran Metro Line 5 at Eram-e Sabz Target entity description: Tehran Metro Line 5 at Eram-e Sabz is a suburban commuter rail line in the Tehran Metro system that links the city to its western outskirts and connects with urban lines at Eram-e Sabz station.
-
A.
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.
-
B.
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.
-
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 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.
-
E.
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.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Tehran Metro line
ⓘ
commuter rail line ⓘ |
| connectsArea |
Tehran city
NERFINISHED
ⓘ
Tehran western suburbs ⓘ |
| connectsWith |
Tehran Metro Line 2 at Eram-e Sabz station
NERFINISHED
ⓘ
Tehran Metro Line 4 at Eram-e Sabz station NERFINISHED ⓘ |
| country | Iran ⓘ |
| electrification | overhead line ⓘ |
| fareSystem | Tehran Metro unified ticketing ⓘ |
| function | link Tehran to its western outskirts ⓘ |
| hasStation | Eram-e Sabz station NERFINISHED ⓘ |
| infrastructureType | heavy rail ⓘ |
| integration | integrated with urban metro lines at Eram-e Sabz ⓘ |
| location | Tehran metropolitan area NERFINISHED ⓘ |
| operator | Tehran Urban and Suburban Railways Organization NERFINISHED ⓘ |
| partOf | Tehran Metro NERFINISHED ⓘ |
| primaryUse | daily commuting ⓘ |
| regionServed | western outskirts of Tehran ⓘ |
| roleInNetwork | intercity-suburban connector ⓘ |
| servesCity | Tehran NERFINISHED ⓘ |
| serviceType | suburban commuter rail ⓘ |
| system | Tehran Metro NERFINISHED ⓘ |
| terminusStation | Eram-e Sabz NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transportMode | 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: Tehran Metro Line 5 at Eram-e Sabz Description of subject: Tehran Metro Line 5 at Eram-e Sabz is a suburban commuter rail line in the Tehran Metro system that links the city to its western outskirts and connects with urban lines at Eram-e Sabz station.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Line 4 (Tehran Metro)