Triple

T4098524
Position Surface form Disambiguated ID Type / Status
Subject Helsinki Metro E87880 entity
Predicate usesRollingStock P5426 FINISHED
Object M200 series trains
The M200 series trains are a fleet of modern electric multiple units operating on the Helsinki Metro system in Finland.
 E415403 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: M200 series trains | Statement: [Helsinki Metro, usesRollingStock, M200 series trains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: M200 series trains
Context triple: [Helsinki Metro, usesRollingStock, M200 series trains]
  • A. M100 series trains
    The M100 series trains are the original electric multiple units that have operated on the Helsinki Metro since its opening, known for their robust design and long service life.
  • B. 21-series EMU
    The 21-series EMU is a type of electric multiple unit train used for urban rapid transit services on Japan’s Osaka Metro network.
  • C. 30000-series EMU
    The 30000-series EMU is a modern electric multiple unit train used on Osaka Metro, featuring improved energy efficiency, passenger comfort, and accessibility compared to earlier rolling stock.
  • D. Class 800 trains
    Class 800 trains are modern bi-mode high-speed multiple units used on Britain’s mainline rail network, notably on intercity routes operated by companies such as London North Eastern Railway.
  • E. 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.
  • 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: M200 series trains
Triple: [Helsinki Metro, usesRollingStock, M200 series trains]
Generated description
The M200 series trains are a fleet of modern electric multiple units operating on the Helsinki Metro system in Finland.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: M200 series trains
Target entity description: The M200 series trains are a fleet of modern electric multiple units operating on the Helsinki Metro system in Finland.
  • A. M100 series trains
    The M100 series trains are the original electric multiple units that have operated on the Helsinki Metro since its opening, known for their robust design and long service life.
  • B. 21-series EMU
    The 21-series EMU is a type of electric multiple unit train used for urban rapid transit services on Japan’s Osaka Metro network.
  • C. 30000-series EMU
    The 30000-series EMU is a modern electric multiple unit train used on Osaka Metro, featuring improved energy efficiency, passenger comfort, and accessibility compared to earlier rolling stock.
  • D. Class 800 trains
    Class 800 trains are modern bi-mode high-speed multiple units used on Britain’s mainline rail network, notably on intercity routes operated by companies such as London North Eastern Railway.
  • E. 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.
  • 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_69aed94564cc8190a9c1457daedb6e7f completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefd0bdea48190805a79515ee92709 completed March 9, 2026, 5:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69b576a1a0408190aa4683a0904790aa completed March 14, 2026, 2:54 p.m.
NEDg Description generation batch_69b576fb7fa08190ada0dff7aa581665 completed March 14, 2026, 2:55 p.m.
NED2 Entity disambiguation (via description) batch_69b5778dcdc08190aee087f6d54992dc completed March 14, 2026, 2:58 p.m.
Created at: March 9, 2026, 3:40 p.m.