Cairo Metro Line 3
E586985
Cairo Metro Line 3 is a major east–west rapid transit line in Cairo’s metro system, linking key districts and serving as an important interchange route across the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cairo Metro Line 3 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6204204 — 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: Cairo Metro Line 3 Context triple: [Cairo Metro Line 1, connectsWithLine, Cairo Metro Line 3]
-
A.
Cairo Metro Line 2
Cairo Metro Line 2 is a major rapid transit line in Cairo’s metro system that runs roughly north–south through the city, connecting key districts and central hubs.
-
B.
Cairo Metro Line 1
Cairo Metro Line 1 is the first and one of the main rapid transit lines in Cairo’s metro system, connecting key districts across the city and serving central areas such as downtown near Tahrir Square.
-
C.
Cairo Metro system
The Cairo Metro system is Egypt’s primary rapid transit network serving Greater Cairo, known as the first full-fledged metro system in Africa and the Arab world.
-
D.
Abu Qir suburban line
The Abu Qir suburban line is a commuter rail service in Alexandria, Egypt, providing frequent local train connections between central Alexandria and its northeastern suburbs along the Mediterranean coast.
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E.
Alexandria Misr Station
Alexandria Misr Station is a major railway station in Alexandria, Egypt, serving as a key passenger and transport hub within the national rail network.
- 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: Cairo Metro Line 3 Target entity description: Cairo Metro Line 3 is a major east–west rapid transit line in Cairo’s metro system, linking key districts and serving as an important interchange route across the city.
-
A.
Cairo Metro Line 2
Cairo Metro Line 2 is a major rapid transit line in Cairo’s metro system that runs roughly north–south through the city, connecting key districts and central hubs.
-
B.
Cairo Metro Line 1
Cairo Metro Line 1 is the first and one of the main rapid transit lines in Cairo’s metro system, connecting key districts across the city and serving central areas such as downtown near Tahrir Square.
-
C.
Cairo Metro system
The Cairo Metro system is Egypt’s primary rapid transit network serving Greater Cairo, known as the first full-fledged metro system in Africa and the Arab world.
-
D.
Abu Qir suburban line
The Abu Qir suburban line is a commuter rail service in Alexandria, Egypt, providing frequent local train connections between central Alexandria and its northeastern suburbs along the Mediterranean coast.
-
E.
Alexandria Misr Station
Alexandria Misr Station is a major railway station in Alexandria, Egypt, serving as a key passenger and transport hub within the national rail network.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| connects |
Abbassia district
NERFINISHED
ⓘ
Cairo International Airport area NERFINISHED ⓘ Downtown Cairo NERFINISHED ⓘ Heliopolis district NERFINISHED ⓘ Imbaba district NERFINISHED ⓘ Mohandessin district NERFINISHED ⓘ Nasr City district NERFINISHED ⓘ Rod El Farag area NERFINISHED ⓘ eastern Cairo ⓘ western Cairo ⓘ |
| constructionStatus |
partially operational
ⓘ
under expansion ⓘ |
| hasColor | green ⓘ |
| hasDirection | east–west ⓘ |
| hasFunction |
airport rail link
ⓘ
urban mass transit ⓘ |
| hasPhase |
Phase 1
ⓘ
Phase 2 ⓘ Phase 3 NERFINISHED ⓘ Phase 4 ⓘ |
| hasRole |
backbone line of Cairo Metro
ⓘ
interchange route ⓘ |
| hasStation |
Abbassia station
NERFINISHED
ⓘ
Adly Mansour station NERFINISHED ⓘ Attaba station NERFINISHED ⓘ Cairo International Airport station NERFINISHED ⓘ El Ahram station (Heliopolis) NERFINISHED ⓘ El Bohooth station NERFINISHED ⓘ El Nozha station NERFINISHED ⓘ El Shams Club station NERFINISHED ⓘ Girls College station NERFINISHED ⓘ Haroun station NERFINISHED ⓘ Kit Kat station NERFINISHED ⓘ Nasser station NERFINISHED ⓘ Rod El Farag Axis station NERFINISHED ⓘ Stadium station NERFINISHED ⓘ |
| hasTerminus |
Adly Mansour station
NERFINISHED
ⓘ
Rod El Farag Axis station NERFINISHED ⓘ |
| hasTrackGauge | standard gauge ⓘ |
| interchangesWith |
Cairo Light Rail Transit
NERFINISHED
ⓘ
Cairo Metro Line 1 NERFINISHED ⓘ Cairo Metro Line 2 NERFINISHED ⓘ |
| locatedIn |
Cairo
ⓘ
Egypt ⓘ |
| operator |
Egyptian Company for Metro Management and Operation
NERFINISHED
ⓘ
National Authority for Tunnels NERFINISHED ⓘ |
| partOf | Cairo Metro NERFINISHED ⓘ |
| serves | Greater Cairo NERFINISHED ⓘ |
| usesElectrification | third 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: Cairo Metro Line 3 Description of subject: Cairo Metro Line 3 is a major east–west rapid transit line in Cairo’s metro system, linking key districts and serving as an important interchange route across the city.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.