Triple

T2270965
Position Surface form Disambiguated ID Type / Status
Subject Moscow tram network E50655 entity
Predicate hasRollingStockManufacturer P4022 FINISHED
Object 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.
 E251763 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: Metrovagonmash | Statement: [Moscow tram network, hasRollingStockManufacturer, Metrovagonmash]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metrovagonmash
Context triple: [Moscow tram network, hasRollingStockManufacturer, Metrovagonmash]
  • A. Uralvagonzavod plant
    The Uralvagonzavod plant is a major Russian industrial complex and one of the world’s largest manufacturers of tanks and railway rolling stock.
  • B. Mil Moscow Helicopter Plant
    Mil Moscow Helicopter Plant is a Russian aerospace company renowned for designing and producing a wide range of military and civilian helicopters, including several iconic Soviet-era gunships and transport models.
  • C. Ministry of Railways of the USSR
    The Ministry of Railways of the USSR was the central Soviet government body responsible for managing, operating, and developing the vast national railway network across the Soviet Union.
  • D. RZD Technology
    RZD Technology is a subsidiary of Russian Railways that focuses on developing and implementing technological and IT solutions for the railway industry.
  • E. Zavod Krasny Oktyabr station
    Zavod Krasny Oktyabr station is a tram-station stop on the Volgograd Metrotram system serving the industrial area around the historic Krasny Oktyabr (Red October) factory in Volgograd, Russia.
  • 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: Metrovagonmash
Triple: [Moscow tram network, hasRollingStockManufacturer, Metrovagonmash]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Metrovagonmash
Target entity description: 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.
  • A. Uralvagonzavod plant
    The Uralvagonzavod plant is a major Russian industrial complex and one of the world’s largest manufacturers of tanks and railway rolling stock.
  • B. Mil Moscow Helicopter Plant
    Mil Moscow Helicopter Plant is a Russian aerospace company renowned for designing and producing a wide range of military and civilian helicopters, including several iconic Soviet-era gunships and transport models.
  • C. Ministry of Railways of the USSR
    The Ministry of Railways of the USSR was the central Soviet government body responsible for managing, operating, and developing the vast national railway network across the Soviet Union.
  • D. RZD Technology
    RZD Technology is a subsidiary of Russian Railways that focuses on developing and implementing technological and IT solutions for the railway industry.
  • E. Zavod Krasny Oktyabr station
    Zavod Krasny Oktyabr station is a tram-station stop on the Volgograd Metrotram system serving the industrial area around the historic Krasny Oktyabr (Red October) factory in Volgograd, Russia.
  • 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_69a88b05910c8190a9a2b1ff230c85f9 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc1c0de488190876b644cdaa41637 completed March 7, 2026, 6:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae71d97a108190a26ffd20fac91a7e completed March 9, 2026, 7:08 a.m.
NEDg Description generation batch_69ae73a4bdd08190bb9fff64ffdbeed6 completed March 9, 2026, 7:15 a.m.
NED2 Entity disambiguation (via description) batch_69ae776fdfb48190ae8731002c537458 completed March 9, 2026, 7:32 a.m.
Created at: March 4, 2026, 7:48 p.m.