Triple

T11375642
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 802 E269459 entity
Predicate operator P179 FINISHED
Object Lumo (as Class 803 variant, related design)
Lumo (as the Class 803 variant) is a British open-access train operator running high-speed electric intercity services on the East Coast Main Line using a closely related design to the bi-mode Class 802 trains.
E922091 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: Lumo (as Class 803 variant, related design) | Statement: [British Rail Class 802, operator, Lumo (as Class 803 variant, related design)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lumo (as Class 803 variant, related design)
Context triple: [British Rail Class 802, operator, Lumo (as Class 803 variant, related design)]
  • A. LMS 8F Class
    The LMS 8F Class is a British heavy freight steam locomotive type widely used by the London, Midland and Scottish Railway and later by British Railways, particularly during World War II.
  • B. British Rail Class 143
    The British Rail Class 143 is a type of diesel multiple unit "Pacer" train built in the 1980s for use on regional and commuter rail services in the UK.
  • C. Class 802 Nova 1 bi-mode train
    The Class 802 Nova 1 is a modern bi-mode intercity train used by TransPennine Express, capable of operating on both electrified and non-electrified routes to provide faster, more flexible services across northern England and Scotland.
  • D. British Rail Class 86
    The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
  • E. Class 83 EMU
    The Class 83 EMU is an electric multiple unit train type used by Malaysia’s KTM Komuter suburban rail service for passenger operations.
  • 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: Lumo (as Class 803 variant, related design)
Triple: [British Rail Class 802, operator, Lumo (as Class 803 variant, related design)]
Generated description
Lumo (as the Class 803 variant) is a British open-access train operator running high-speed electric intercity services on the East Coast Main Line using a closely related design to the bi-mode Class 802 trains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lumo (as Class 803 variant, related design)
Target entity description: Lumo (as the Class 803 variant) is a British open-access train operator running high-speed electric intercity services on the East Coast Main Line using a closely related design to the bi-mode Class 802 trains.
  • A. LMS 8F Class
    The LMS 8F Class is a British heavy freight steam locomotive type widely used by the London, Midland and Scottish Railway and later by British Railways, particularly during World War II.
  • B. British Rail Class 143
    The British Rail Class 143 is a type of diesel multiple unit "Pacer" train built in the 1980s for use on regional and commuter rail services in the UK.
  • C. Class 802 Nova 1 bi-mode train
    The Class 802 Nova 1 is a modern bi-mode intercity train used by TransPennine Express, capable of operating on both electrified and non-electrified routes to provide faster, more flexible services across northern England and Scotland.
  • D. British Rail Class 86
    The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
  • E. Class 83 EMU
    The Class 83 EMU is an electric multiple unit train type used by Malaysia’s KTM Komuter suburban rail service for passenger operations.
  • 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_69d6aacca1048190b39dbbc2174616fa completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7ea8e6d44819095f949581421e98e completed April 9, 2026, 6:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69e5568e3e108190ab843236b417f150 completed April 19, 2026, 10:26 p.m.
NEDg Description generation batch_69e562c7de3c8190befb6d7131129a2c completed April 19, 2026, 11:18 p.m.
NED2 Entity disambiguation (via description) batch_69e56a776390819082d47ad00cf1862b completed April 19, 2026, 11:51 p.m.
Created at: April 8, 2026, 9:33 p.m.