Triple

T23216733
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 91 E580764 entity
Predicate nickName P2937 FINISHED
Object InterCity 225 locomotive
The InterCity 225 locomotive is a high-speed electric train used on Britain’s East Coast Main Line, known for its 140 mph capability and service on flagship intercity routes.
E1573182 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: InterCity 225 locomotive | Statement: [British Rail Class 91, nickName, InterCity 225 locomotive]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: InterCity 225 locomotive
Context triple: [British Rail Class 91, nickName, InterCity 225 locomotive]
  • A. EMD F59PH locomotive
    The EMD F59PH locomotive is a four-axle diesel-electric passenger locomotive built by Electro-Motive Division in the late 1980s and 1990s, widely used by North American commuter rail agencies.
  • B. CP Class 2600 electric locomotive
    The CP Class 2600 is a series of Portuguese electric locomotives used primarily for mainline passenger services on the national rail network.
  • C. Siemens Charger locomotive
    The Siemens Charger locomotive is a modern, high-speed, diesel-electric passenger locomotive widely used by North American rail operators for efficient and environmentally friendlier corridor services.
  • D. BR Class 47 diesel-electric locomotives
    The BR Class 47 diesel-electric locomotives are a large and versatile class of British mainline diesel engines introduced in the 1960s, widely used across the UK rail network for both passenger and freight services.
  • E. Class 57 diesel locomotive
    The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
  • 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: InterCity 225 locomotive
Triple: [British Rail Class 91, nickName, InterCity 225 locomotive]
Generated description
The InterCity 225 locomotive is a high-speed electric train used on Britain’s East Coast Main Line, known for its 140 mph capability and service on flagship intercity routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: InterCity 225 locomotive
Target entity description: The InterCity 225 locomotive is a high-speed electric train used on Britain’s East Coast Main Line, known for its 140 mph capability and service on flagship intercity routes.
  • A. EMD F59PH locomotive
    The EMD F59PH locomotive is a four-axle diesel-electric passenger locomotive built by Electro-Motive Division in the late 1980s and 1990s, widely used by North American commuter rail agencies.
  • B. CP Class 2600 electric locomotive
    The CP Class 2600 is a series of Portuguese electric locomotives used primarily for mainline passenger services on the national rail network.
  • C. Siemens Charger locomotive
    The Siemens Charger locomotive is a modern, high-speed, diesel-electric passenger locomotive widely used by North American rail operators for efficient and environmentally friendlier corridor services.
  • D. BR Class 47 diesel-electric locomotives
    The BR Class 47 diesel-electric locomotives are a large and versatile class of British mainline diesel engines introduced in the 1960s, widely used across the UK rail network for both passenger and freight services.
  • E. Class 57 diesel locomotive
    The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
  • 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_69e2460389408190be74f41d217799a9 completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f19165949c81908e4d66a8a2b0a25a completed April 29, 2026, 5:04 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c30ca89508190847874ab3bc1e01f completed May 19, 2026, 9:43 a.m.
NEDg Description generation batch_6a0c31f385a881908283a8b079c4128a completed May 19, 2026, 9:48 a.m.
NED2 Entity disambiguation (via description) batch_6a0c32ece3148190a22881d69c42e948 completed May 19, 2026, 9:52 a.m.
Created at: April 17, 2026, 4:08 p.m.