Triple

T9302140
Position Surface form Disambiguated ID Type / Status
Subject Hatfield rail crash E223790 entity
Predicate involvedTrainType P56947 FINISHED
Object InterCity 225 E532312 NE FINISHED

How this triple was built (3 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: InterCity 225 | Statement: [Hatfield rail crash, involvedTrainType, InterCity 225]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: InterCity 225
Context triple: [Hatfield rail crash, involvedTrainType, InterCity 225]
  • A. InterCity 225 chosen
    InterCity 225 is a high-speed electric train set used on Britain’s East Coast Main Line, known for its 225 km/h top speed and role in modernizing long-distance rail services in the UK.
  • B. Intercity V set
    The Intercity V set is a class of stainless-steel electric multiple unit trains that have long served as iconic intercity and outer-suburban passenger trains in New South Wales, Australia.
  • C. InterCity 125
    InterCity 125 is a British high-speed train set introduced in the 1970s, renowned for revolutionizing long-distance rail travel in the UK with its 125 mph services.
  • D. Intercity H set (OSCAR)
    The Intercity H set (OSCAR) is a class of electric multiple unit trains operating in New South Wales, Australia, designed for longer-distance commuter and intercity services with enhanced passenger comfort and safety features.
  • E. British Rail Class 220
    The British Rail Class 220 is a high-speed diesel-electric multiple unit train used in the UK for intercity services, known as part of the Voyager family built by Bombardier.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: involvedTrainType
Context triple: [Hatfield rail crash, involvedTrainType, InterCity 225]
  • A. trainTypeUsed chosen
    Indicates that a specific type or category of train is employed or operated in a given context or service.
  • B. trainsCategory
    Indicates that one entity is a category or type under which the other entity is trained or classified.
  • C. trains
    Indicates that one entity teaches, instructs, or coaches another entity to develop skills, knowledge, or abilities.
  • D. maintainsTrainsFor
    Indicates that one entity is responsible for servicing, repairing, or otherwise keeping trains operational for another entity.
  • E. numberOfTrainsInvolved
    Indicates the count of trains that are involved in a particular event, situation, or incident.
  • F. None of above.

Provenance (4 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_69ca8424d0f08190831e2e93c6533aeb completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd08d34c4c819095a213360747c3a6 completed April 1, 2026, noon
NED1 Entity disambiguation (via context triple) batch_69d0b26ae3c881909e88f0253e73f0ea completed April 4, 2026, 6:40 a.m.
PD Predicate disambiguation batch_69cc7a5ef1908190bc5ca166bb895af6 completed April 1, 2026, 1:52 a.m.
Created at: March 30, 2026, 7:36 p.m.