Triple

T9475301
Position Surface form Disambiguated ID Type / Status
Subject Göztepe Campus E228499 entity
Predicate hasTransportationAccess P1298 FINISHED
Object Istanbul Metrobus
Istanbul Metrobus is a bus rapid transit system in Istanbul that runs on dedicated lanes to provide fast, high-capacity public transportation across the city.
 E802010 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Istanbul Metrobus | Statement: [Göztepe Campus, hasTransportationAccess, Istanbul Metrobus]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Istanbul Metrobus
Context triple: [Göztepe Campus, hasTransportationAccess, Istanbul Metrobus]
  • A. Istanbul tram network
    The Istanbul tram network is a modern urban rail system that forms a key part of the city’s public transport, linking major districts on the European side and connecting seamlessly with metro, bus, and ferry services.
  • B. Istanbul bus network
    The Istanbul bus network is the city’s extensive public transportation system of urban and suburban bus lines that connects neighborhoods across both the European and Asian sides and links with other modes such as metro, trams, and ferries.
  • C. Istanbul Metro
    The Istanbul Metro is a rapid transit system serving Istanbul, Turkey, connecting key districts and transport hubs across the city.
  • D. Istanbul commuter rail network
    The Istanbul commuter rail network is a suburban rail system serving the greater Istanbul metropolitan area, integrating cross-Bosporus links and multiple lines to connect key residential and commercial districts.
  • E. Ankara Metro
    Ankara Metro is the rapid transit system serving Turkey's capital city, providing urban rail transportation across Ankara and its surrounding districts.
  • 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: Istanbul Metrobus
Target entity description: Istanbul Metrobus is a bus rapid transit system in Istanbul that runs on dedicated lanes to provide fast, high-capacity public transportation across the city.
  • A. Istanbul tram network
    The Istanbul tram network is a modern urban rail system that forms a key part of the city’s public transport, linking major districts on the European side and connecting seamlessly with metro, bus, and ferry services.
  • B. Istanbul bus network
    The Istanbul bus network is the city’s extensive public transportation system of urban and suburban bus lines that connects neighborhoods across both the European and Asian sides and links with other modes such as metro, trams, and ferries.
  • C. Istanbul Metro
    The Istanbul Metro is a rapid transit system serving Istanbul, Turkey, connecting key districts and transport hubs across the city.
  • D. Istanbul commuter rail network
    The Istanbul commuter rail network is a suburban rail system serving the greater Istanbul metropolitan area, integrating cross-Bosporus links and multiple lines to connect key residential and commercial districts.
  • E. Ankara Metro
    Ankara Metro is the rapid transit system serving Turkey's capital city, providing urban rail transportation across Ankara and its surrounding districts.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Istanbul Metrobus
Triple: [Göztepe Campus, hasTransportationAccess, Istanbul Metrobus]
Generated description
Istanbul Metrobus is a bus rapid transit system in Istanbul that runs on dedicated lanes to provide fast, high-capacity public transportation across the city.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69ca847162c48190b079076c9595513c elicitation completed
NER batch_69cd7ff39f48819087e696c2c1ffe638 ner completed
NED1 batch_69d12ceb52088190a03963a762c7d30d ned_source_triple completed
NED2 batch_69d12e4077a4819094e86eb0de69b2ed ned_description completed
NEDg batch_69d12de7e14c8190b32b96847aafcabb nedg completed
Created at: March 30, 2026, 7:54 p.m.