Tünel funicular
E654861
The Tünel funicular is a historic underground cable railway in Istanbul, among the world’s oldest, linking the Karaköy district on the waterfront with the higher Beyoğlu area.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tünel funicular canonical | 1 |
| Tünel funicular (via İstiklal Avenue) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7302272 — 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: Tünel funicular Context triple: [Karaköy, connectedTo, Tünel funicular]
-
A.
Polybahn funicular
The Polybahn funicular is a historic short funicular railway in Zürich that links the city center with the ETH Zürich university terrace.
-
B.
Lavra Funicular
The Lavra Funicular is a historic hillside cable railway in Lisbon, Portugal, known as one of the city’s oldest funiculars connecting lower and upper neighborhoods.
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C.
Carmelit underground funicular
The Carmelit underground funicular is a short, steep underground railway in Haifa, Israel, serving as one of the world’s smallest metro systems and connecting the city’s lower and upper areas.
-
D.
Metro Alpin funicular
The Metro Alpin funicular is an underground alpine railway in Saas-Fee, Switzerland, known as one of the world’s highest funiculars and a key link to high-altitude ski and mountaineering areas.
-
E.
TelefériQo cable car
The TelefériQo cable car is a popular aerial lift in Quito, Ecuador, that carries visitors from the city up the slopes of the Pichincha volcano for panoramic views of the capital and surrounding Andes.
- 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: Tünel funicular Target entity description: The Tünel funicular is a historic underground cable railway in Istanbul, among the world’s oldest, linking the Karaköy district on the waterfront with the higher Beyoğlu area.
-
A.
Polybahn funicular
The Polybahn funicular is a historic short funicular railway in Zürich that links the city center with the ETH Zürich university terrace.
-
B.
Lavra Funicular
The Lavra Funicular is a historic hillside cable railway in Lisbon, Portugal, known as one of the city’s oldest funiculars connecting lower and upper neighborhoods.
-
C.
Carmelit underground funicular
The Carmelit underground funicular is a short, steep underground railway in Haifa, Israel, serving as one of the world’s smallest metro systems and connecting the city’s lower and upper areas.
-
D.
Metro Alpin funicular
The Metro Alpin funicular is an underground alpine railway in Saas-Fee, Switzerland, known as one of the world’s highest funiculars and a key link to high-altitude ski and mountaineering areas.
-
E.
TelefériQo cable car
The TelefériQo cable car is a popular aerial lift in Quito, Ecuador, that carries visitors from the city up the slopes of the Pichincha volcano for panoramic views of the capital and surrounding Andes.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
funicular railway
ⓘ
heritage railway ⓘ public transport system ⓘ underground railway ⓘ |
| city | Istanbul ⓘ |
| connects |
Beyoğlu district
NERFINISHED
ⓘ
Karaköy district NERFINISHED ⓘ |
| country | Turkey ⓘ |
| electrification | electric motor-driven cable system ⓘ |
| fareSystem | integrated with Istanbul transit fares ⓘ |
| hasName | Tünel NERFINISHED ⓘ |
| hasRollingStockType | funicular cars ⓘ |
| heritageStatus | historic transport line ⓘ |
| infrastructureType | tunnel ⓘ |
| isOneOfOldest | underground railways in the world ⓘ |
| languageOfName | Turkish ⓘ |
| lineLength | approximately 573 m ⓘ |
| locatedIn |
Beyoğlu district
NERFINISHED
ⓘ
Istanbul ⓘ Karaköy neighborhood NERFINISHED ⓘ Turkey ⓘ |
| lowerTerminus | Karaköy NERFINISHED ⓘ |
| notableFor | being among the world’s oldest underground urban railways ⓘ |
| numberOfStations | 2 ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1875 ⓘ |
| operator | Metro Istanbul NERFINISHED ⓘ |
| owner | Istanbul Metropolitan Municipality NERFINISHED ⓘ |
| primaryFunction | urban passenger transport ⓘ |
| propulsionSystem | cable-hauled ⓘ |
| routeType | underground ⓘ |
| serves |
Beyoğlu area
NERFINISHED
ⓘ
Karaköy waterfront NERFINISHED ⓘ |
| slope | steep incline ⓘ |
| status | in operation ⓘ |
| system | Istanbul public transport network ⓘ |
| terminus |
Beyoğlu
NERFINISHED
ⓘ
Karaköy NERFINISHED ⓘ |
| touristAttraction | yes ⓘ |
| trackGauge | standard gauge ⓘ |
| traction | electric ⓘ |
| upperTerminus | Beyoğlu NERFINISHED ⓘ |
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: Tünel funicular Description of subject: The Tünel funicular is a historic underground cable railway in Istanbul, among the world’s oldest, linking the Karaköy district on the waterfront with the higher Beyoğlu area.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tünel funicular (via İstiklal Avenue)