Triple

T4429705
Position Surface form Disambiguated ID Type / Status
Subject Port Talbot Parkway railway station E95294 entity
Predicate formerOperator P179 FINISHED
Object First Great Western
First Great Western was a major British train operating company that ran intercity and regional passenger services in western and southwestern England and South Wales before being rebranded as Great Western Railway.
E440889 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: First Great Western | Statement: [Port Talbot Parkway railway station, formerOperator, First Great Western]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: First Great Western
Context triple: [Port Talbot Parkway railway station, formerOperator, First Great Western]
  • A. Great Eastern Main Line
    The Great Eastern Main Line is a major railway route in England connecting London with key towns and cities in Essex, Suffolk, and Norfolk.
  • B. Great Central Railway
    The Great Central Railway was a major British railway company that operated routes in northern England and the Midlands before being absorbed into the London and North Eastern Railway in 1923.
  • C. West Coast Main Line
    The West Coast Main Line is one of the United Kingdom’s primary intercity railway routes, linking London with major cities such as Birmingham, Manchester, Liverpool, and Glasgow.
  • D. Wessex Main Line
    The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
  • E. Georgian Railway
    Georgian Railway is the state-owned national railway company of Georgia, responsible for operating the country’s rail transport network and infrastructure.
  • 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: First Great Western
Triple: [Port Talbot Parkway railway station, formerOperator, First Great Western]
Generated description
First Great Western was a major British train operating company that ran intercity and regional passenger services in western and southwestern England and South Wales before being rebranded as Great Western Railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: First Great Western
Target entity description: First Great Western was a major British train operating company that ran intercity and regional passenger services in western and southwestern England and South Wales before being rebranded as Great Western Railway.
  • A. Great Eastern Main Line
    The Great Eastern Main Line is a major railway route in England connecting London with key towns and cities in Essex, Suffolk, and Norfolk.
  • B. Great Central Railway
    The Great Central Railway was a major British railway company that operated routes in northern England and the Midlands before being absorbed into the London and North Eastern Railway in 1923.
  • C. West Coast Main Line
    The West Coast Main Line is one of the United Kingdom’s primary intercity railway routes, linking London with major cities such as Birmingham, Manchester, Liverpool, and Glasgow.
  • D. Wessex Main Line
    The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
  • E. Georgian Railway
    Georgian Railway is the state-owned national railway company of Georgia, responsible for operating the country’s rail transport network and infrastructure.
  • 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_69b3453c2a0c8190926b574c90766db9 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b35569b3388190bdef2568f5dc04ce completed March 13, 2026, 12:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69b6136caa248190a84423cede1908c3 completed March 15, 2026, 2:03 a.m.
NEDg Description generation batch_69b617c13d4481909d22d201ce405d3a completed March 15, 2026, 2:21 a.m.
NED2 Entity disambiguation (via description) batch_69b6187687f8819084e2d611e9e31f79 completed March 15, 2026, 2:24 a.m.
Created at: March 12, 2026, 11:30 p.m.