Triple

T2267341
Position Surface form Disambiguated ID Type / Status
Subject Moscow Central Diameters E50176 entity
Predicate usesRollingStock P5426 FINISHED
Object Ivolga electric multiple unit
The Ivolga electric multiple unit is a modern Russian commuter train series designed for high-capacity, comfortable suburban and urban rail services.
 E250704 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: Ivolga electric multiple unit | Statement: [Moscow Central Diameters, usesRollingStock, Ivolga electric multiple unit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ivolga electric multiple unit
Context triple: [Moscow Central Diameters, usesRollingStock, Ivolga electric multiple unit]
  • A. Voyager diesel-electric multiple units
    The Voyager diesel-electric multiple units are high-speed intercity trains used on long-distance routes across the UK rail network.
  • B. M9 electric multiple unit
    The M9 electric multiple unit is a modern commuter rail train used by the Long Island Rail Road, designed to replace older fleets with improved performance, safety, and passenger amenities.
  • C. ED4M electric multiple unit
    The ED4M electric multiple unit is a series of Russian suburban electric trains widely used for commuter and airport express services, including Aeroexpress routes.
  • D. M7 electric multiple unit
    The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
  • E. Stadler KISS double-deck EMU
    The Stadler KISS double-deck EMU is a high-capacity, electric multiple-unit commuter train known for its bi-level design, rapid acceleration, and use on regional and suburban rail services in various countries.
  • 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: Ivolga electric multiple unit
Triple: [Moscow Central Diameters, usesRollingStock, Ivolga electric multiple unit]
Generated description
The Ivolga electric multiple unit is a modern Russian commuter train series designed for high-capacity, comfortable suburban and urban rail services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ivolga electric multiple unit
Target entity description: The Ivolga electric multiple unit is a modern Russian commuter train series designed for high-capacity, comfortable suburban and urban rail services.
  • A. Voyager diesel-electric multiple units
    The Voyager diesel-electric multiple units are high-speed intercity trains used on long-distance routes across the UK rail network.
  • B. M9 electric multiple unit
    The M9 electric multiple unit is a modern commuter rail train used by the Long Island Rail Road, designed to replace older fleets with improved performance, safety, and passenger amenities.
  • C. ED4M electric multiple unit
    The ED4M electric multiple unit is a series of Russian suburban electric trains widely used for commuter and airport express services, including Aeroexpress routes.
  • D. M7 electric multiple unit
    The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
  • E. Stadler KISS double-deck EMU
    The Stadler KISS double-deck EMU is a high-capacity, electric multiple-unit commuter train known for its bi-level design, rapid acceleration, and use on regional and suburban rail services in various countries.
  • 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_69a88b01e0048190ba96431b5f990ba9 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc1baa0948190b07ffc347a4f714e completed March 7, 2026, 6:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae71d492a48190be58396831e87ea0 completed March 9, 2026, 7:08 a.m.
NEDg Description generation batch_69ae72bdc5dc81908f475353999161e4 completed March 9, 2026, 7:11 a.m.
NED2 Entity disambiguation (via description) batch_69ae76720e3c8190aeb82dd8779ff715 completed March 9, 2026, 7:27 a.m.
Created at: March 4, 2026, 7:48 p.m.