Triple

T2720892
Position Surface form Disambiguated ID Type / Status
Subject Elizabeth line E60076 entity
Predicate rollingStock P1305 FINISHED
Object Class 345 Aventra
The Class 345 Aventra is a modern electric multiple unit train built by Bombardier (now Alstom) for high-capacity, high-frequency commuter services on London’s Elizabeth line.
E293571 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 345 Aventra | Statement: [Elizabeth line, rollingStock, Class 345 Aventra]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Class 345 Aventra
Context triple: [Elizabeth line, rollingStock, Class 345 Aventra]
  • A. Class 730 Aventra
    The Class 730 Aventra is a modern electric multiple unit train built by Alstom (originally Bombardier) for high-capacity, commuter and regional rail services on the UK network.
  • B. Class 379 Electrostar
    The Class 379 Electrostar is a British electric multiple-unit train type built by Bombardier for high-frequency commuter and airport services, known for its modern design and passenger comfort.
  • C. Class 390 Pendolino
    The Class 390 Pendolino is a high-speed tilting electric multiple unit train used by Avanti West Coast on the West Coast Main Line in the United Kingdom.
  • D. Class 397 Civity EMU
    The Class 397 Civity EMU is a modern high-speed electric multiple unit built by CAF for intercity services in the UK, notably on routes linking north of England cities with Scotland.
  • E. Class 360 Desiro
    The Class 360 Desiro is a type of electric multiple unit passenger train used on regional and commuter services in 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: Class 345 Aventra
Triple: [Elizabeth line, rollingStock, Class 345 Aventra]
Generated description
The Class 345 Aventra is a modern electric multiple unit train built by Bombardier (now Alstom) for high-capacity, high-frequency commuter services on London’s Elizabeth line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Class 345 Aventra
Target entity description: The Class 345 Aventra is a modern electric multiple unit train built by Bombardier (now Alstom) for high-capacity, high-frequency commuter services on London’s Elizabeth line.
  • A. Class 730 Aventra
    The Class 730 Aventra is a modern electric multiple unit train built by Alstom (originally Bombardier) for high-capacity, commuter and regional rail services on the UK network.
  • B. Class 379 Electrostar
    The Class 379 Electrostar is a British electric multiple-unit train type built by Bombardier for high-frequency commuter and airport services, known for its modern design and passenger comfort.
  • C. Class 390 Pendolino
    The Class 390 Pendolino is a high-speed tilting electric multiple unit train used by Avanti West Coast on the West Coast Main Line in the United Kingdom.
  • D. Class 397 Civity EMU
    The Class 397 Civity EMU is a modern high-speed electric multiple unit built by CAF for intercity services in the UK, notably on routes linking north of England cities with Scotland.
  • E. Class 360 Desiro
    The Class 360 Desiro is a type of electric multiple unit passenger train used on regional and commuter services in 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_69ab4b746d248190958e052045c09255 completed March 6, 2026, 9:47 p.m.
NER Named-entity recognition batch_69abdab1cb808190b0789c76bc9cb090 completed March 7, 2026, 7:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69afb6914f70819099482893d026f34b completed March 10, 2026, 6:13 a.m.
NEDg Description generation batch_69afb726182081909570e4cb7a364e4d completed March 10, 2026, 6:16 a.m.
NED2 Entity disambiguation (via description) batch_69afb78f9d08819087d6f31fe1e4e61c completed March 10, 2026, 6:17 a.m.
Created at: March 6, 2026, 9:55 p.m.