Triple

T16868171
Position Surface form Disambiguated ID Type / Status
Subject Ankara–Konya high-speed railway E410097 entity
Predicate terminusStation P15150 FINISHED
Object Ankara YHT station
Ankara YHT station is a major high-speed rail hub in Turkey’s capital, serving as a central terminal for YHT (Yüksek Hızlı Tren) services including the Ankara–Konya line.
 E1246586 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: Ankara YHT station | Statement: [Ankara–Konya high-speed railway, terminusStation, Ankara YHT station]

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: Ankara YHT station
Context triple: [Ankara–Konya high-speed railway, terminusStation, Ankara YHT station]
  • A. Ankara railway station
    Ankara railway station is the central rail hub of Turkey’s capital city, serving intercity, high-speed, and commuter trains including the Başkentray system.
  • B. Fahrettin Altay station
    Fahrettin Altay station is a major western terminus and transfer hub on the İzmir Metro system in İzmir, Turkey.
  • C. Konak station
    Konak station is a central underground stop on the İzmir Metro system, serving as one of the main transit hubs in the heart of İzmir, Turkey.
  • D. Sincan station
    Sincan station is a railway station in the Sincan district of Ankara, Turkey, serving as a stop on the city's Başkentray commuter rail system.
  • E. Sirkeci Railway Station
    Sirkeci Railway Station is a historic Istanbul terminus, best known as the former eastern endpoint of the Orient Express and a notable example of late 19th-century Ottoman Revival architecture.
  • 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: Ankara YHT station
Target entity description: Ankara YHT station is a major high-speed rail hub in Turkey’s capital, serving as a central terminal for YHT (Yüksek Hızlı Tren) services including the Ankara–Konya line.
  • A. Ankara railway station
    Ankara railway station is the central rail hub of Turkey’s capital city, serving intercity, high-speed, and commuter trains including the Başkentray system.
  • B. Fahrettin Altay station
    Fahrettin Altay station is a major western terminus and transfer hub on the İzmir Metro system in İzmir, Turkey.
  • C. Konak station
    Konak station is a central underground stop on the İzmir Metro system, serving as one of the main transit hubs in the heart of İzmir, Turkey.
  • D. Sincan station
    Sincan station is a railway station in the Sincan district of Ankara, Turkey, serving as a stop on the city's Başkentray commuter rail system.
  • E. Sirkeci Railway Station
    Sirkeci Railway Station is a historic Istanbul terminus, best known as the former eastern endpoint of the Orient Express and a notable example of late 19th-century Ottoman Revival architecture.
  • 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: Ankara YHT station
Triple: [Ankara–Konya high-speed railway, terminusStation, Ankara YHT station]
Generated description
Ankara YHT station is a major high-speed rail hub in Turkey’s capital, serving as a central terminal for YHT (Yüksek Hızlı Tren) services including the Ankara–Konya line.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d88395e6c88190b22730f335107c14 elicitation completed
NER batch_69e3b50a82348190b3e33fd558aa3c7f ner completed
NED1 batch_6a011b3802f08190acd5be6e2ccef2d7 ned_source_triple completed
NED2 batch_6a011c63308481908b32716eb913b9bd ned_description completed
NEDg batch_6a011bf2d25c8190b512de2928550283 nedg completed
Created at: April 10, 2026, 5:24 a.m.