Triple

T14685544
Position Surface form Disambiguated ID Type / Status
Subject XPT train E344898 entity
Predicate basedOn P98 FINISHED
Object British Rail InterCity 125
The British Rail InterCity 125 is a high-speed diesel-powered train introduced in the 1970s that became iconic for revolutionizing long-distance rail travel in the UK.
 E1113194 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 InterCity 125 | Statement: [XPT train, basedOn, British Rail InterCity 125]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail InterCity 125
Context triple: [XPT train, basedOn, British Rail InterCity 125]
  • A. 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.
  • B. British Rail Class 175
    The British Rail Class 175 is a diesel multiple-unit passenger train used on regional and intercity services in the United Kingdom, particularly across Wales and bordering regions.
  • C. 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.
  • D. British Rail Class 155
    The British Rail Class 155 is a type of diesel multiple unit passenger train built in the late 1980s for regional services on the UK rail network.
  • E. 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.
  • 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 InterCity 125
Triple: [XPT train, basedOn, British Rail InterCity 125]
Generated description
The British Rail InterCity 125 is a high-speed diesel-powered train introduced in the 1970s that became iconic for revolutionizing long-distance rail travel in the UK.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: British Rail InterCity 125
Target entity description: The British Rail InterCity 125 is a high-speed diesel-powered train introduced in the 1970s that became iconic for revolutionizing long-distance rail travel in the UK.
  • A. 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.
  • B. British Rail Class 175
    The British Rail Class 175 is a diesel multiple-unit passenger train used on regional and intercity services in the United Kingdom, particularly across Wales and bordering regions.
  • C. 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.
  • D. British Rail Class 155
    The British Rail Class 155 is a type of diesel multiple unit passenger train built in the late 1980s for regional services on the UK rail network.
  • E. 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.
  • 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_69d822e34b348190ada4d1cdb6c7c226 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb56bdb8081909ff86440ba20fb1f completed April 14, 2026, 9:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69fde18592088190892ae1cc371165be completed May 8, 2026, 1:13 p.m.
NEDg Description generation batch_69fde4782f188190aa2071e39d768168 completed May 8, 2026, 1:26 p.m.
NED2 Entity disambiguation (via description) batch_69fde4d080148190a0df7aae8b3afc93 completed May 8, 2026, 1:27 p.m.
Created at: April 10, 2026, 1:28 a.m.