İETT buses
E167313
contactless smart card
local government
public bus network
public transport authority
public transport service
urban bus system
İETT buses are Istanbul’s municipal public buses, operating an extensive network of urban and inter-district routes across the city.
All labels observed (4)
| Label | Occurrences |
|---|---|
| IETT bus lines | 2 |
| IETT bus network | 1 |
| İETT | 1 |
| İETT buses canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1453857 — 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: İETT buses Context triple: [Istanbul Airport, hasPublicTransportConnection, İETT buses]
-
A.
SL buses
SL buses are the public bus services operating within the Stockholm County public transport network in Sweden.
-
B.
TEC bus lines
TEC bus lines are a regional public bus network in Wallonia, Belgium, providing local and intercity transportation services.
-
C.
OmniRide bus service
OmniRide bus service is a public transit system in Northern Virginia that provides local and commuter bus routes connecting suburban communities with major employment and activity centers in the region.
-
D.
Lynx bus system
The Lynx bus system is the primary public transit network serving the greater Orlando, Florida area, providing local and regional bus services to residents and visitors.
-
E.
Trolebús
Trolebús is an electric trolleybus transit system serving Mexico City as part of its broader public transportation 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: İETT buses Target entity description: İETT buses are Istanbul’s municipal public buses, operating an extensive network of urban and inter-district routes across the city.
-
A.
SL buses
SL buses are the public bus services operating within the Stockholm County public transport network in Sweden.
-
B.
TEC bus lines
TEC bus lines are a regional public bus network in Wallonia, Belgium, providing local and intercity transportation services.
-
C.
OmniRide bus service
OmniRide bus service is a public transit system in Northern Virginia that provides local and commuter bus routes connecting suburban communities with major employment and activity centers in the region.
-
D.
Lynx bus system
The Lynx bus system is the primary public transit network serving the greater Orlando, Florida area, providing local and regional bus services to residents and visitors.
-
E.
Trolebús
Trolebús is an electric trolleybus transit system serving Mexico City as part of its broader public transportation network.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
contactless smart card
ⓘ
local government ⓘ public bus network ⓘ public transport authority ⓘ public transport service ⓘ urban bus system ⓘ |
| aimsTo | provide affordable public transport in Istanbul ⓘ |
| connects | European and Asian districts of Istanbul ⓘ |
| country | Turkey ⓘ |
| environmentalPolicy | gradual fleet modernization ⓘ |
| fareSystem | electronic fare collection ⓘ |
| fullName | İstanbul Elektrik Tramvay ve Tünel İşletmeleri ⓘ |
| hasService | night bus lines ⓘ |
| integratedWith |
Istanbul Metro
ⓘ
Marmaray ⓘ
linked to:
Marmaray rail tunnel
Metrobus ⓘ ferry services in Istanbul ⓘ tram lines in Istanbul ⓘ |
| languageOnSignage |
English (on many routes)
ⓘ
Turkish ⓘ |
| modeOfTransport | bus ⓘ |
| networkType | urban and inter-district routes ⓘ |
| operatedBy |
İETT
ⓘ
linked to:
İETT buses
|
| operatesWithin |
Asian side of Istanbul
ⓘ
European side of Istanbul ⓘ |
| operatingDays | daily ⓘ |
| operatingHours | early morning to late night ⓘ |
| owner | Istanbul Metropolitan Municipality ⓘ |
| paymentMethod |
contactless card payment
ⓘ
mobile Istanbulkart payment ⓘ |
| primaryTicketMedium | Istanbulkart ⓘ |
| primaryUse |
commuter transport
ⓘ
urban mobility ⓘ |
| regulatedBy | Istanbul Metropolitan Municipality ⓘ |
| regulates | bus routes and schedules in Istanbul ⓘ |
| routeStructure | numbered bus lines ⓘ |
| safetyFeatures | CCTV on many vehicles ⓘ |
| servesCity | Istanbul ⓘ |
| serviceArea |
Istanbul metropolitan area
ⓘ
linked to:
Istanbul Metropolitan Municipality
|
| serviceType |
municipal bus service
ⓘ
public transit ⓘ scheduled bus service ⓘ |
| ticketingIntegration | single fare system with other Istanbul public transport modes ⓘ |
| vehicleType |
air-conditioned buses
ⓘ
articulated buses ⓘ low-floor buses ⓘ night service buses ⓘ standard buses ⓘ |
| website | https://www.iett.istanbul ⓘ |
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: İETT buses Description of subject: İETT buses are Istanbul’s municipal public buses, operating an extensive network of urban and inter-district routes across the city.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: İETT buses
linked to: İETT buses
linked to: İETT buses