Triple

T167214
Position Surface form Disambiguated ID Type / Status
Subject Oxford Road railway station E3041 entity
Predicate servesTrainOperator P782 FINISHED
Object East Midlands Railway
East Midlands Railway is a British train operating company providing regional and intercity passenger rail services across the East Midlands and surrounding areas.
E21789 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: East Midlands Railway | Statement: [Oxford Road railway station, servesTrainOperator, East Midlands Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: East Midlands Railway
Context triple: [Oxford Road railway station, servesTrainOperator, East Midlands Railway]
  • A. TransPennine Express
    TransPennine Express is a British train operating company providing intercity and regional rail services across northern England and into Scotland.
  • B. Lancashire and Yorkshire Railway
    The Lancashire and Yorkshire Railway was a major pre-grouping British railway company that operated an extensive network of lines across industrial northern England during the 19th and early 20th centuries.
  • C. Northern Trains
    Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
  • D. Manchester to Leeds line
    The Manchester to Leeds line is a key trans-Pennine railway route in northern England connecting major cities across the Pennines.
  • E. London and North Western Railway
    London and North Western Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across England and Wales before becoming part of the London, Midland and Scottish Railway in 1923.
  • 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: East Midlands Railway
Triple: [Oxford Road railway station, servesTrainOperator, East Midlands Railway]
Generated description
East Midlands Railway is a British train operating company providing regional and intercity passenger rail services across the East Midlands and surrounding areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: East Midlands Railway
Target entity description: East Midlands Railway is a British train operating company providing regional and intercity passenger rail services across the East Midlands and surrounding areas.
  • A. TransPennine Express
    TransPennine Express is a British train operating company providing intercity and regional rail services across northern England and into Scotland.
  • B. Lancashire and Yorkshire Railway
    The Lancashire and Yorkshire Railway was a major pre-grouping British railway company that operated an extensive network of lines across industrial northern England during the 19th and early 20th centuries.
  • C. Northern Trains
    Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
  • D. Manchester to Leeds line
    The Manchester to Leeds line is a key trans-Pennine railway route in northern England connecting major cities across the Pennines.
  • E. London and North Western Railway
    London and North Western Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across England and Wales before becoming part of the London, Midland and Scottish Railway in 1923.
  • 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_69a2524ce1e48190ab066bf72859f474 completed Feb. 28, 2026, 2:26 a.m.
NER Named-entity recognition batch_69a25bae79b48190abfd247410e5918f completed Feb. 28, 2026, 3:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2e7e236708190b9e4551b4442873c completed Feb. 28, 2026, 1:04 p.m.
NEDg Description generation batch_69a2ea06ec488190a01d2759ee9f7b6d completed Feb. 28, 2026, 1:13 p.m.
NED2 Entity disambiguation (via description) batch_69a2eaab2c848190840b1d6cae270ffb completed Feb. 28, 2026, 1:16 p.m.
Created at: Feb. 28, 2026, 2:34 a.m.