Triple

T5453223
Position Surface form Disambiguated ID Type / Status
Subject London St Pancras to Corby E122416 entity
Predicate rollingStock P1305 FINISHED
Object Class 360 electric multiple unit
The Class 360 electric multiple unit is a type of British high-speed commuter train used on electrified mainline routes for regional and outer-suburban passenger services.
E520721 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: Class 360 electric multiple unit | Statement: [London St Pancras to Corby, rollingStock, Class 360 electric multiple unit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Class 360 electric multiple unit
Context triple: [London St Pancras to Corby, rollingStock, Class 360 electric multiple unit]
  • A. Class 365 electric multiple unit
    The Class 365 electric multiple unit is a British dual-voltage commuter train type introduced in the 1990s for high-frequency suburban and regional services, primarily around London and the southeast.
  • B. Class 700 electric multiple unit
    The Class 700 electric multiple unit is a modern high-capacity commuter train used on Thameslink and related services in the UK, designed for intensive suburban and cross-London operations.
  • C. Class 71 electric multiple unit
    The Class 71 electric multiple unit is a high-speed Norwegian train type used primarily for Flytoget’s airport express services between Oslo and Oslo Airport Gardermoen.
  • D. Class 397 Civity EMU
    The Class 397 Civity EMU is a modern high-speed electric multiple unit built by CAF for intercity services in the UK, notably on routes linking north of England cities with Scotland.
  • E. CP Class 3400 EMU
    The CP Class 3400 EMU is a series of electric multiple-unit trains operated by Comboios de Portugal, primarily used for suburban and commuter rail services.
  • 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: Class 360 electric multiple unit
Triple: [London St Pancras to Corby, rollingStock, Class 360 electric multiple unit]
Generated description
The Class 360 electric multiple unit is a type of British high-speed commuter train used on electrified mainline routes for regional and outer-suburban passenger services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Class 360 electric multiple unit
Target entity description: The Class 360 electric multiple unit is a type of British high-speed commuter train used on electrified mainline routes for regional and outer-suburban passenger services.
  • A. Class 365 electric multiple unit
    The Class 365 electric multiple unit is a British dual-voltage commuter train type introduced in the 1990s for high-frequency suburban and regional services, primarily around London and the southeast.
  • B. Class 700 electric multiple unit
    The Class 700 electric multiple unit is a modern high-capacity commuter train used on Thameslink and related services in the UK, designed for intensive suburban and cross-London operations.
  • C. Class 71 electric multiple unit
    The Class 71 electric multiple unit is a high-speed Norwegian train type used primarily for Flytoget’s airport express services between Oslo and Oslo Airport Gardermoen.
  • D. Class 397 Civity EMU
    The Class 397 Civity EMU is a modern high-speed electric multiple unit built by CAF for intercity services in the UK, notably on routes linking north of England cities with Scotland.
  • E. CP Class 3400 EMU
    The CP Class 3400 EMU is a series of electric multiple-unit trains operated by Comboios de Portugal, primarily used for suburban and commuter rail services.
  • 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_69bd46424248819085282ddf50a565f3 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd91e170f48190b47419b5e2ff71a4 completed March 20, 2026, 6:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf4140248081908c7f42b91579a837 completed March 22, 2026, 1:09 a.m.
NEDg Description generation batch_69bf41dd96448190973b7241df5dbb24 completed March 22, 2026, 1:11 a.m.
NED2 Entity disambiguation (via description) batch_69bf42b97d40819087a98c1cc58bb964 completed March 22, 2026, 1:15 a.m.
Created at: March 20, 2026, 2:08 p.m.