Triple

T1434754
Position Surface form Disambiguated ID Type / Status
Subject Greater Anglia E30534 entity
Predicate usesRollingStockType P1305 FINISHED
Object Class 755 bi-mode multiple unit
The Class 755 bi-mode multiple unit is a modern British train capable of operating on both electrified and non-electrified lines, widely used for regional passenger services.
E164985 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 755 bi-mode multiple unit | Statement: [Greater Anglia, usesRollingStockType, Class 755 bi-mode multiple unit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Class 755 bi-mode multiple unit
Context triple: [Greater Anglia, usesRollingStockType, Class 755 bi-mode multiple unit]
  • A. Class 745 EMU
    The Class 745 EMU is a modern electric multiple unit train used on regional and intercity services in the UK, built for high-capacity, high-comfort passenger operations.
  • B. Class 756 train
    The Class 756 train is a modern tri-mode (electric, battery, and diesel) multiple unit designed for regional and commuter services in Wales as part of Transport for Wales Rail’s fleet modernization.
  • C. M7 electric multiple unit
    The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
  • 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 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.
  • 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 755 bi-mode multiple unit
Triple: [Greater Anglia, usesRollingStockType, Class 755 bi-mode multiple unit]
Generated description
The Class 755 bi-mode multiple unit is a modern British train capable of operating on both electrified and non-electrified lines, widely used for regional passenger services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Class 755 bi-mode multiple unit
Target entity description: The Class 755 bi-mode multiple unit is a modern British train capable of operating on both electrified and non-electrified lines, widely used for regional passenger services.
  • A. Class 745 EMU
    The Class 745 EMU is a modern electric multiple unit train used on regional and intercity services in the UK, built for high-capacity, high-comfort passenger operations.
  • B. Class 756 train
    The Class 756 train is a modern tri-mode (electric, battery, and diesel) multiple unit designed for regional and commuter services in Wales as part of Transport for Wales Rail’s fleet modernization.
  • C. M7 electric multiple unit
    The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
  • 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 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.
  • 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_69a498fc69ec8190b61722bd4b67c4d2 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c500a9888190a16fbb1ec97a79c9 completed March 1, 2026, 11 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad08b5ba94819092e66e8dfd6bf87d completed March 8, 2026, 5:27 a.m.
NEDg Description generation batch_69ad09f7609481908ce2f77da55461be completed March 8, 2026, 5:32 a.m.
NED2 Entity disambiguation (via description) batch_69ad0a4a1f80819099bfef26ad0ab428 completed March 8, 2026, 5:34 a.m.
Created at: March 1, 2026, 8 p.m.