Triple

T1009528
Position Surface form Disambiguated ID Type / Status
Subject East Midlands Railway E21789 entity
Predicate fleetIncludes P10916 FINISHED
Object Class 158 Express Sprinter
The Class 158 Express Sprinter is a British diesel multiple-unit train introduced in the late 1980s for regional and intercity services, known for its improved comfort and performance over earlier Sprinter units.
E123762 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 158 Express Sprinter | Statement: [East Midlands Railway, fleetIncludes, Class 158 Express Sprinter]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Class 158 Express Sprinter
Context triple: [East Midlands Railway, fleetIncludes, Class 158 Express Sprinter]
  • A. 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.
  • B. Class 180 Adelante
    The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway network.
  • C. Class 802 Nova 1 bi-mode train
    The Class 802 Nova 1 is a modern bi-mode intercity train used by TransPennine Express, capable of operating on both electrified and non-electrified routes to provide faster, more flexible services across northern England and Scotland.
  • D. Class 170 Turbostar
    The Class 170 Turbostar is a British diesel multiple-unit train widely used for regional and intercity services across the UK rail network.
  • E. 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.
  • 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 158 Express Sprinter
Triple: [East Midlands Railway, fleetIncludes, Class 158 Express Sprinter]
Generated description
The Class 158 Express Sprinter is a British diesel multiple-unit train introduced in the late 1980s for regional and intercity services, known for its improved comfort and performance over earlier Sprinter units.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Class 158 Express Sprinter
Target entity description: The Class 158 Express Sprinter is a British diesel multiple-unit train introduced in the late 1980s for regional and intercity services, known for its improved comfort and performance over earlier Sprinter units.
  • A. 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.
  • B. Class 180 Adelante
    The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway network.
  • C. Class 802 Nova 1 bi-mode train
    The Class 802 Nova 1 is a modern bi-mode intercity train used by TransPennine Express, capable of operating on both electrified and non-electrified routes to provide faster, more flexible services across northern England and Scotland.
  • D. Class 170 Turbostar
    The Class 170 Turbostar is a British diesel multiple-unit train widely used for regional and intercity services across the UK rail network.
  • E. 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.
  • 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_69a493c53e648190ae8cb76c433fd9a7 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b7a3cb608190a2de34a09cd55146 completed March 1, 2026, 10:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac428db9bc81909304802e2b50686c completed March 7, 2026, 3:21 p.m.
NEDg Description generation batch_69ac4311f7f08190ae86aacb7f2103d7 completed March 7, 2026, 3:24 p.m.
NED2 Entity disambiguation (via description) batch_69ac43891ed88190a5b8b51341e98929 completed March 7, 2026, 3:26 p.m.
Created at: March 1, 2026, 7:41 p.m.