Triple

T12292396
Position Surface form Disambiguated ID Type / Status
Subject Nagatinskaya E292994 entity
Predicate hasDesigners P184 FINISHED
Object engineer V. Yershov (metro engineer)
Engineer V. Yershov is a metro engineer known for contributing to the design of the Nagatinskaya station of the Moscow Metro.
E973986 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: engineer V. Yershov (metro engineer) | Statement: [Nagatinskaya, hasDesigners, engineer V. Yershov (metro engineer)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: engineer V. Yershov (metro engineer)
Context triple: [Nagatinskaya, hasDesigners, engineer V. Yershov (metro engineer)]
  • A. engineer Pavel Melnikov
    Engineer Pavel Melnikov was a prominent 19th-century Russian railway engineer best known for overseeing the design and construction of major lines that helped pioneer Russia’s early rail network.
  • B. architects V. G. Gelfreikh and I. E. Rozhin
    Architects V. G. Gelfreikh and I. E. Rozhin were Soviet-era designers known for their work on Moscow Metro stations, exemplifying the monumental Stalinist architectural style.
  • C. Metrovagonmash
    Metrovagonmash is a major Russian manufacturer of metro, tram, and rail rolling stock, best known for producing trains for urban transit systems across Russia and other countries.
  • D. Vladimir Shukhov
    Vladimir Shukhov was a pioneering Russian engineer and architect renowned for his innovative hyperboloid structures, industrial designs, and influential contributions to early modern engineering.
  • E. Arkhip Lyulka design bureau
    Arkhip Lyulka design bureau was a Soviet aerospace design organization renowned for developing advanced turbojet and turbofan engines for military aircraft.
  • 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: engineer V. Yershov (metro engineer)
Triple: [Nagatinskaya, hasDesigners, engineer V. Yershov (metro engineer)]
Generated description
Engineer V. Yershov is a metro engineer known for contributing to the design of the Nagatinskaya station of the Moscow Metro.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: engineer V. Yershov (metro engineer)
Target entity description: Engineer V. Yershov is a metro engineer known for contributing to the design of the Nagatinskaya station of the Moscow Metro.
  • A. engineer Pavel Melnikov
    Engineer Pavel Melnikov was a prominent 19th-century Russian railway engineer best known for overseeing the design and construction of major lines that helped pioneer Russia’s early rail network.
  • B. architects V. G. Gelfreikh and I. E. Rozhin
    Architects V. G. Gelfreikh and I. E. Rozhin were Soviet-era designers known for their work on Moscow Metro stations, exemplifying the monumental Stalinist architectural style.
  • C. Metrovagonmash
    Metrovagonmash is a major Russian manufacturer of metro, tram, and rail rolling stock, best known for producing trains for urban transit systems across Russia and other countries.
  • D. Vladimir Shukhov
    Vladimir Shukhov was a pioneering Russian engineer and architect renowned for his innovative hyperboloid structures, industrial designs, and influential contributions to early modern engineering.
  • E. Arkhip Lyulka design bureau
    Arkhip Lyulka design bureau was a Soviet aerospace design organization renowned for developing advanced turbojet and turbofan engines for military aircraft.
  • 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_69d6ab690ad081908c0ed3870ec82d53 completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d91d22ba488190914342fa7e69e159 completed April 10, 2026, 3:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69f61e775dac819099d44b61cbccc109 completed May 2, 2026, 3:55 p.m.
NEDg Description generation batch_69f61f5cc5608190a67a888eb5136ada completed May 2, 2026, 3:59 p.m.
NED2 Entity disambiguation (via description) batch_69f62006afcc8190b8e3b55a5fd8eaca completed May 2, 2026, 4:02 p.m.
Created at: April 8, 2026, 9:52 p.m.