Triple

T20135906
Position Surface form Disambiguated ID Type / Status
Subject Red line (Stockholm metro) E491023 entity
Predicate usesRollingStock P5426 FINISHED
Object C30 trains
C30 trains are a modern fleet of metro cars used on Stockholm’s Red Line, featuring updated design, improved energy efficiency, and enhanced passenger comfort compared to older rolling stock.
E1134375 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: C30 trains | Statement: [Red line (Stockholm metro), usesRollingStock, C30 trains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: C30 trains
Context triple: [Red line (Stockholm metro), usesRollingStock, C30 trains]
  • A. C30 trains
    C30 trains are a modern fleet of metro cars introduced to upgrade and expand passenger service on Stockholm’s Green line.
  • B. C-series trains
    C-series trains are a modern class of electric multiple-unit subway trains used on the Munich U-Bahn, known for their articulated design and improved passenger comfort and capacity.
  • C. M300 series trains
    The M300 series trains are a modern fleet of metro trains operating on the Helsinki Metro, designed to provide efficient, high-capacity urban rail transport.
  • D. Mark III trains
    Mark III trains are a generation of streamlined monorail vehicles that operated on the Disneyland Monorail System, featuring updated design and technology over earlier models.
  • E. MX3000 train
    The MX3000 train is a modern electric multiple unit used as the primary passenger rolling stock on the Oslo Metro system in Norway.
  • 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: C30 trains
Triple: [Red line (Stockholm metro), usesRollingStock, C30 trains]
Generated description
C30 trains are a modern fleet of metro cars used on Stockholm’s Red Line, featuring updated design, improved energy efficiency, and enhanced passenger comfort compared to older rolling stock.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: C30 trains
Target entity description: C30 trains are a modern fleet of metro cars used on Stockholm’s Red Line, featuring updated design, improved energy efficiency, and enhanced passenger comfort compared to older rolling stock.
  • A. C30 trains chosen
    C30 trains are a modern fleet of metro cars introduced to upgrade and expand passenger service on Stockholm’s Green line.
  • B. C-series trains
    C-series trains are a modern class of electric multiple-unit subway trains used on the Munich U-Bahn, known for their articulated design and improved passenger comfort and capacity.
  • C. M300 series trains
    The M300 series trains are a modern fleet of metro trains operating on the Helsinki Metro, designed to provide efficient, high-capacity urban rail transport.
  • D. Mark III trains
    Mark III trains are a generation of streamlined monorail vehicles that operated on the Disneyland Monorail System, featuring updated design and technology over earlier models.
  • E. MX3000 train
    The MX3000 train is a modern electric multiple unit used as the primary passenger rolling stock on the Oslo Metro system in Norway.
  • F. None of above.

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_69da62651a0c8190a3e05e95e056a66b completed April 11, 2026, 3:01 p.m.
NER Named-entity recognition batch_69e66767ba3881909c2bcb74a986bd29 completed April 20, 2026, 5:50 p.m.
NED1 Entity disambiguation (via context triple) batch_6a082de255b08190b50a3cb5e4da4973 completed May 16, 2026, 8:42 a.m.
NEDg Description generation batch_6a082ef2cf208190aea9cd29b15b35dd completed May 16, 2026, 8:46 a.m.
NED2 Entity disambiguation (via description) batch_6a0830ccfdd881909cbf1c3fd2342821 completed May 16, 2026, 8:54 a.m.
Created at: April 11, 2026, 11:32 p.m.