Triple

T10640405
Position Surface form Disambiguated ID Type / Status
Subject EP2D electric multiple unit E250705 entity
Predicate manufacturer P490 FINISHED
Object Demikhovsky Engineering Plant
Demikhovsky Engineering Plant is a Russian rolling stock manufacturer known for producing electric multiple units and other railway vehicles.
 E876527 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: Demikhovsky Engineering Plant | Statement: [EP2D electric multiple unit, manufacturer, Demikhovsky Engineering Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Demikhovsky Engineering Plant
Context triple: [EP2D electric multiple unit, manufacturer, Demikhovsky Engineering Plant]
  • A. Kovrov Mechanical Plant
    Kovrov Mechanical Plant is a Russian arms manufacturer historically known for producing notable Soviet small arms, including the SVT-40 semi-automatic rifle.
  • B. Votkinsk Machine Building Plant
    Votkinsk Machine Building Plant is a major Russian defense enterprise known for producing intercontinental ballistic missiles and other strategic rocket systems.
  • C. Mytishchi Machine-Building Plant
    Mytishchi Machine-Building Plant is a major Russian industrial enterprise known for producing railway rolling stock and military vehicles.
  • D. Volgograd Tractor Plant
    Volgograd Tractor Plant is a major industrial enterprise in Volgograd, Russia, historically known for manufacturing tractors and military vehicles, especially during the Soviet era.
  • E. Krasnoye Sormovo Factory
    Krasnoye Sormovo Factory is a major Russian industrial plant historically known for producing military equipment, including large numbers of T-34 tanks during World War II.
  • 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: Demikhovsky Engineering Plant
Triple: [EP2D electric multiple unit, manufacturer, Demikhovsky Engineering Plant]
Generated description
Demikhovsky Engineering Plant is a Russian rolling stock manufacturer known for producing electric multiple units and other railway vehicles.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Demikhovsky Engineering Plant
Target entity description: Demikhovsky Engineering Plant is a Russian rolling stock manufacturer known for producing electric multiple units and other railway vehicles.
  • A. Kovrov Mechanical Plant
    Kovrov Mechanical Plant is a Russian arms manufacturer historically known for producing notable Soviet small arms, including the SVT-40 semi-automatic rifle.
  • B. Votkinsk Machine Building Plant
    Votkinsk Machine Building Plant is a major Russian defense enterprise known for producing intercontinental ballistic missiles and other strategic rocket systems.
  • C. Mytishchi Machine-Building Plant
    Mytishchi Machine-Building Plant is a major Russian industrial enterprise known for producing railway rolling stock and military vehicles.
  • D. Volgograd Tractor Plant
    Volgograd Tractor Plant is a major industrial enterprise in Volgograd, Russia, historically known for manufacturing tractors and military vehicles, especially during the Soviet era.
  • E. Krasnoye Sormovo Factory
    Krasnoye Sormovo Factory is a major Russian industrial plant historically known for producing military equipment, including large numbers of T-34 tanks during World War II.
  • 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_69d6aa5a4c4881908f39be6efe5981e5 completed April 8, 2026, 7:19 p.m.
NER Named-entity recognition batch_69d6dfcbe5308190986bba438d19e852 completed April 8, 2026, 11:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69d96bcd8c0c8190a0fad6a85b5604bb completed April 10, 2026, 9:29 p.m.
NEDg Description generation batch_69d9701de92881908c0b8f05eae97e35 completed April 10, 2026, 9:48 p.m.
NED2 Entity disambiguation (via description) batch_69d970f3f78081909bcb2dae6dae06d5 completed April 10, 2026, 9:51 p.m.
Created at: April 8, 2026, 9:04 p.m.