Triple

T8142078
Position Surface form Disambiguated ID Type / Status
Subject Alstom multiple units E190120 entity
Predicate hasSubclass P1244 FINISHED
Object Alstom Class 180
The Alstom Class 180 is a high-speed diesel multiple unit train used on intercity passenger services in the United Kingdom.
 E734348 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: Alstom Class 180 | Statement: [Alstom multiple units, hasSubclass, Alstom Class 180]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alstom Class 180
Context triple: [Alstom multiple units, hasSubclass, Alstom Class 180]
  • A. 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.
  • B. British Rail Class 170
    The British Rail Class 170 is a widely used diesel multiple-unit passenger train in the UK, known for operating regional and intercity services across various rail franchises since the late 1990s.
  • 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 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.
  • E. 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.
  • 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: Alstom Class 180
Triple: [Alstom multiple units, hasSubclass, Alstom Class 180]
Generated description
The Alstom Class 180 is a high-speed diesel multiple unit train used on intercity passenger services in the United Kingdom.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Alstom Class 180
Target entity description: The Alstom Class 180 is a high-speed diesel multiple unit train used on intercity passenger services in the United Kingdom.
  • A. 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.
  • B. British Rail Class 170
    The British Rail Class 170 is a widely used diesel multiple-unit passenger train in the UK, known for operating regional and intercity services across various rail franchises since the late 1990s.
  • 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 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.
  • E. 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.
  • 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_69ca82bd9900819099477cdc2eb4244f completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb4443a3748190bbae79f1d673c03d completed March 31, 2026, 3:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69ce1c99f0a881908418ddf281acdd69 completed April 2, 2026, 7:36 a.m.
NEDg Description generation batch_69ce1f64337c8190a78a3d5bb2b9c56e completed April 2, 2026, 7:48 a.m.
NED2 Entity disambiguation (via description) batch_69ce1ff71038819085f0a9d534e06356 completed April 2, 2026, 7:51 a.m.
Created at: March 30, 2026, 5:36 p.m.