Triple

T20710545
Position Surface form Disambiguated ID Type / Status
Subject Imperial Russian train at Pskov railway station E509024 entity
Predicate partOf P40 FINISHED
Object Imperial train of Nicholas II
The Imperial train of Nicholas II was the lavishly appointed, heavily guarded private railway convoy used by the last Russian tsar and his family for official travel across the Russian Empire.
E1446507 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Imperial train of Nicholas II | Statement: [Imperial Russian train at Pskov railway station, partOf, Imperial train of Nicholas II]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Imperial train of Nicholas II
Context triple: [Imperial Russian train at Pskov railway station, partOf, Imperial train of Nicholas II]
  • A. Gorky Railway
    Gorky Railway is a major regional railway network in Russia that operates routes across the Volga-Vyatka area, including services through Kazan.
  • 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Repin train was a former international passenger rail service that connected Saint Petersburg and Helsinki before being superseded by the high-speed Allegro trains.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. Royal Train
    The Royal Train is a special, luxuriously appointed train used by the British monarch and senior members of the royal family for official travel across the United Kingdom.
  • D. Royal Blue passenger train
    The Royal Blue passenger train was a famed luxury streamliner that provided premier passenger service between New York City and Washington, D.C. for the Baltimore and Ohio Railroad.
  • E. The Blue Train
    "The Blue Train" is a song featured on the 1999 collaborative country album *Trio II* by Dolly Parton, Emmylou Harris, and Linda Ronstadt.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
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: Imperial train of Nicholas II
Triple: [Imperial Russian train at Pskov railway station, partOf, Imperial train of Nicholas II]
Generated description
The Imperial train of Nicholas II was the lavishly appointed, heavily guarded private railway convoy used by the last Russian tsar and his family for official travel across the Russian Empire.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Imperial train of Nicholas II
Target entity description: The Imperial train of Nicholas II was the lavishly appointed, heavily guarded private railway convoy used by the last Russian tsar and his family for official travel across the Russian Empire.
  • A. Gorky Railway
    Gorky Railway is a major regional railway network in Russia that operates routes across the Volga-Vyatka area, including services through Kazan.
  • 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. Royal Train
    The Royal Train is a special, luxuriously appointed train used by the British monarch and senior members of the royal family for official travel across the United Kingdom.
  • D. Royal Blue passenger train
    The Royal Blue passenger train was a famed luxury streamliner that provided premier passenger service between New York City and Washington, D.C. for the Baltimore and Ohio Railroad.
  • E. The Blue Train
    "The Blue Train" is a song featured on the 1999 collaborative country album *Trio II* by Dolly Parton, Emmylou Harris, and Linda Ronstadt.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69e0b4c40ad88190b81f77695366d328 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c1974ba08190b0e5ad529be95e4c completed April 21, 2026, 12:15 a.m.
NED1 Entity disambiguation (via context triple) batch_6a08e04d605c8190a00df9f7c303d314 completed May 16, 2026, 9:23 p.m.
NEDg Description generation batch_6a08e0d409d48190bca2fb8c60b8ce08 completed May 16, 2026, 9:25 p.m.
NED2 Entity disambiguation (via description) batch_6a08e164ef8c8190b482f2cc0f43acce completed May 16, 2026, 9:28 p.m.
Created at: April 16, 2026, 12:14 p.m.