Triple

T21255324
Position Surface form Disambiguated ID Type / Status
Subject Manchester to Kirkby Line E523852 entity
Predicate historicalOperator P2834 FINISHED
Object Arriva Trains Merseyside
Arriva Trains Merseyside was a former British train operating company that provided regional and commuter rail services in the Merseyside area of northwest England.
E1474790 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: Arriva Trains Merseyside | Statement: [Manchester to Kirkby Line, historicalOperator, Arriva Trains Merseyside]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Arriva Trains Merseyside
Context triple: [Manchester to Kirkby Line, historicalOperator, Arriva Trains Merseyside]
  • A. Arriva Trains Northern
    Arriva Trains Northern was a former British train operating company that provided regional and commuter rail services across Northern England.
  • B. Arriva UK Trains
    Arriva UK Trains is a major British train operating company that manages several passenger rail franchises and services across the United Kingdom.
  • C. Merseyrail
    Merseyrail is a commuter rail network serving the Liverpool City Region and surrounding areas in Merseyside, England.
  • D. Arriva Rail North
    Arriva Rail North was a British train operating company that ran regional and commuter rail services across Northern England under the Northern brand.
  • E. Arriva Midlands
    Arriva Midlands is a regional bus operator in the English Midlands, running local and interurban services across towns and cities such as Telford.
  • 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: Arriva Trains Merseyside
Triple: [Manchester to Kirkby Line, historicalOperator, Arriva Trains Merseyside]
Generated description
Arriva Trains Merseyside was a former British train operating company that provided regional and commuter rail services in the Merseyside area of northwest England.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Arriva Trains Merseyside
Target entity description: Arriva Trains Merseyside was a former British train operating company that provided regional and commuter rail services in the Merseyside area of northwest England.
  • A. Arriva Trains Northern
    Arriva Trains Northern was a former British train operating company that provided regional and commuter rail services across Northern England.
  • B. Arriva UK Trains
    Arriva UK Trains is a major British train operating company that manages several passenger rail franchises and services across the United Kingdom.
  • C. Merseyrail
    Merseyrail is a commuter rail network serving the Liverpool City Region and surrounding areas in Merseyside, England.
  • D. Arriva Rail North
    Arriva Rail North was a British train operating company that ran regional and commuter rail services across Northern England under the Northern brand.
  • E. Arriva Midlands
    Arriva Midlands is a regional bus operator in the English Midlands, running local and interurban services across towns and cities such as Telford.
  • 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_69e0b5146c108190adc9adb73e90abff completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e735a0e7dc8190b591b5b6786ce619 completed April 21, 2026, 8:30 a.m.
NED1 Entity disambiguation (via context triple) batch_6a098ff8b2f08190b1961558bb9c11fe completed May 17, 2026, 9:52 a.m.
NEDg Description generation batch_6a0990b9b7c8819094f7db294c2e573d completed May 17, 2026, 9:56 a.m.
NED2 Entity disambiguation (via description) batch_6a0991cdf6408190a590d8907f2fe880 completed May 17, 2026, 10 a.m.
Created at: April 16, 2026, 3:58 p.m.