Triple

T5501821
Position Surface form Disambiguated ID Type / Status
Subject Sprinter E144345 entity
Predicate hasSubclass P1244 FINISHED
Object British Rail Class 150
The British Rail Class 150 is a diesel multiple-unit passenger train built in the 1980s for regional and commuter services on the UK rail network.
 E547214 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: British Rail Class 150 | Statement: [Sprinter, hasSubclass, British Rail Class 150]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 150
Context triple: [Sprinter, hasSubclass, British Rail Class 150]
  • A. British Rail Class 158
    The British Rail Class 158 is a diesel multiple-unit train built in the late 1980s and early 1990s for regional and intercity services across the UK rail network.
  • B. British Rail Class 159
    The British Rail Class 159 is a diesel multiple-unit train used for long-distance regional services in the UK, particularly known for operating intercity-style routes in the southwest of England.
  • C. British Rail Class 325
    The British Rail Class 325 is an electric multiple unit train type designed specifically for high-speed postal and parcel services on the UK rail network.
  • D. British Rail Class 168
    The British Rail Class 168 is a diesel multiple-unit train used primarily by Chiltern Railways for regional and intercity services in the United Kingdom.
  • E. British Rail Class 323
    The British Rail Class 323 is a type of electric multiple unit train widely used on suburban and commuter rail services in the West Midlands and North West England.
  • 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: British Rail Class 150
Triple: [Sprinter, hasSubclass, British Rail Class 150]
Generated description
The British Rail Class 150 is a diesel multiple-unit passenger train built in the 1980s for regional and commuter services on the UK rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 150
Target entity description: The British Rail Class 150 is a diesel multiple-unit passenger train built in the 1980s for regional and commuter services on the UK rail network.
  • A. British Rail Class 158
    The British Rail Class 158 is a diesel multiple-unit train built in the late 1980s and early 1990s for regional and intercity services across the UK rail network.
  • B. British Rail Class 159
    The British Rail Class 159 is a diesel multiple-unit train used for long-distance regional services in the UK, particularly known for operating intercity-style routes in the southwest of England.
  • C. British Rail Class 325
    The British Rail Class 325 is an electric multiple unit train type designed specifically for high-speed postal and parcel services on the UK rail network.
  • D. British Rail Class 168
    The British Rail Class 168 is a diesel multiple-unit train used primarily by Chiltern Railways for regional and intercity services in the United Kingdom.
  • E. British Rail Class 323
    The British Rail Class 323 is a type of electric multiple unit train widely used on suburban and commuter rail services in the West Midlands and North West England.
  • 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_69c008f5a2748190bce7a39aabf87a6d completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c01f0a512c81908f077378917e5879 completed March 22, 2026, 4:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69c097af51508190a1eb69f188a7dcb6 completed March 23, 2026, 1:30 a.m.
NEDg Description generation batch_69c098ba92408190b61b115540fce941 completed March 23, 2026, 1:34 a.m.
NED2 Entity disambiguation (via description) batch_69c099b4bc4481909e7cf6886e5ccbea completed March 23, 2026, 1:39 a.m.
Created at: March 22, 2026, 3:32 p.m.