Triple

T10989591
Position Surface form Disambiguated ID Type / Status
Subject Butovo depot E259721 entity
Predicate servedBy P82 FINISHED
Object Butovskaya Line trains
Butovskaya Line trains are the rolling stock operating on Moscow Metro’s Butovskaya Line, providing automated light metro service to the Butovo district.
 E898420 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: Butovskaya Line trains | Statement: [Butovo depot, servedBy, Butovskaya Line trains]

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: Butovskaya Line trains
Context triple: [Butovo depot, servedBy, Butovskaya Line trains]
  • A. Kuybyshev Railway
    Kuybyshev Railway is a major regional division of the Russian Railways network, serving key transport routes in the Volga and Ural regions.
  • B. Repin train
    The Repin train was a former international passenger rail service that connected Saint Petersburg and Helsinki before being superseded by the high-speed Allegro trains.
  • C. Moscow Railway
    Moscow Railway is a regional branch of Russian Railways that manages and operates the railway network serving Moscow and the surrounding central regions of Russia.
  • D. Aeroexpress train
    The Aeroexpress train is a dedicated high-speed rail service that connects central Moscow with major airports, including Domodedovo International Airport.
  • E. Domodedovo railway line
    The Domodedovo railway line is a suburban rail route in the Moscow region that connects Moscow with the town of Domodedovo and its surrounding areas.
  • 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: Butovskaya Line trains
Target entity description: Butovskaya Line trains are the rolling stock operating on Moscow Metro’s Butovskaya Line, providing automated light metro service to the Butovo district.
  • A. Kuybyshev Railway
    Kuybyshev Railway is a major regional division of the Russian Railways network, serving key transport routes in the Volga and Ural regions.
  • B. Repin train
    The Repin train was a former international passenger rail service that connected Saint Petersburg and Helsinki before being superseded by the high-speed Allegro trains.
  • C. Moscow Railway
    Moscow Railway is a regional branch of Russian Railways that manages and operates the railway network serving Moscow and the surrounding central regions of Russia.
  • D. Aeroexpress train
    The Aeroexpress train is a dedicated high-speed rail service that connects central Moscow with major airports, including Domodedovo International Airport.
  • E. Domodedovo railway line
    The Domodedovo railway line is a suburban rail route in the Moscow region that connects Moscow with the town of Domodedovo and its surrounding areas.
  • 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: Butovskaya Line trains
Triple: [Butovo depot, servedBy, Butovskaya Line trains]
Generated description
Butovskaya Line trains are the rolling stock operating on Moscow Metro’s Butovskaya Line, providing automated light metro service to the Butovo district.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6aa8a6a548190a750f944ccdc8064 elicitation completed
NER batch_69d787b6d0b48190aaf959e2609d34e5 ner completed
NED1 batch_69e344f95ab88190bbce8f0eab0b2713 ned_source_triple completed
NED2 batch_69e3593b0f8481909ed7a90f8bb9839d ned_description completed
NEDg batch_69e3556e8b408190a02a1fe194ae5750 nedg completed
Created at: April 8, 2026, 9:24 p.m.