Triple

T5493692
Position Surface form Disambiguated ID Type / Status
Subject Nottingham to Skegness E123761 entity
Predicate typicalRollingStock P5426 FINISHED
Object Class 158
Class 158 is a British diesel multiple unit train widely used on regional and intercity services, known for its higher comfort and speed compared to older provincial stock.
 E524216 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 158 | Statement: [Nottingham to Skegness, typicalRollingStock, Class 158]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Class 158
Context triple: [Nottingham to Skegness, typicalRollingStock, Class 158]
  • A. Class 150 train
    The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
  • B. Y class
    Y class is the standard economy fare class used by airlines, typically representing full-fare economy tickets with the least restrictions on changes and refunds.
  • C. Class 180 Adelante
    The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway network.
  • D. Klas
    Klas is a Scandinavian given name, commonly used as a variant of Nicholas.
  • E. JH 1580
    JH 1580 is the catalogue number assigned to Vincent van Gogh’s painting "The Night Café" in the standard reference of his works.
  • 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 158
Triple: [Nottingham to Skegness, typicalRollingStock, Class 158]
Generated description
Class 158 is a British diesel multiple unit train widely used on regional and intercity services, known for its higher comfort and speed compared to older provincial stock.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Class 158
Target entity description: Class 158 is a British diesel multiple unit train widely used on regional and intercity services, known for its higher comfort and speed compared to older provincial stock.
  • A. Class 150 train
    The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
  • B. Y class
    Y class is the standard economy fare class used by airlines, typically representing full-fare economy tickets with the least restrictions on changes and refunds.
  • C. Class 180 Adelante
    The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway network.
  • D. Klas
    Klas is a Scandinavian given name, commonly used as a variant of Nicholas.
  • E. JH 1580
    JH 1580 is the catalogue number assigned to Vincent van Gogh’s painting "The Night Café" in the standard reference of his works.
  • 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_69bd464a2d908190869324ce176779c8 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd9281a0148190bb7a8dae9c991b9c completed March 20, 2026, 6:31 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf6c8fb5688190b29f27ce13324943 completed March 22, 2026, 4:14 a.m.
NEDg Description generation batch_69bf6d7d2ff48190acee9baab4d54ef2 completed March 22, 2026, 4:18 a.m.
NED2 Entity disambiguation (via description) batch_69bf6e62f03481908fbbeb931defcc05 completed March 22, 2026, 4:21 a.m.
Created at: March 20, 2026, 2:10 p.m.