Triple

T746008
Position Surface form Disambiguated ID Type / Status
Subject London, Midland and Scottish Railway E15342 entity
Predicate formedByMergerOf P77 FINISHED
Object Glasgow and South Western Railway
The Glasgow and South Western Railway was a major pre-grouping Scottish railway company that operated routes in southwest Scotland and connected Glasgow with Ayrshire, Dumfries, and England.
 E93740 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: Glasgow and South Western Railway | Statement: [London, Midland and Scottish Railway, formedByMergerOf, Glasgow and South Western Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Glasgow and South Western Railway
Context triple: [London, Midland and Scottish Railway, formedByMergerOf, Glasgow and South Western Railway]
  • A. Caledonian Railway
    Caledonian Railway was a major Scottish railway company that operated extensive routes across Scotland and into England during the 19th and early 20th centuries.
  • B. North British Railway
    North British Railway was a major 19th- and early 20th-century Scottish railway company that operated extensive routes across central and eastern Scotland before becoming part of the London and North Eastern Railway in 1923.
  • C. London, Midland and Scottish Railway
    The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
  • D. Midland Railway
    Midland Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across central and northern England and played a key role in the development of the UK rail network.
  • E. Great Western Railway
    Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
  • 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: Glasgow and South Western Railway
Triple: [London, Midland and Scottish Railway, formedByMergerOf, Glasgow and South Western Railway]
Generated description
The Glasgow and South Western Railway was a major pre-grouping Scottish railway company that operated routes in southwest Scotland and connected Glasgow with Ayrshire, Dumfries, and England.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Glasgow and South Western Railway
Target entity description: The Glasgow and South Western Railway was a major pre-grouping Scottish railway company that operated routes in southwest Scotland and connected Glasgow with Ayrshire, Dumfries, and England.
  • A. Caledonian Railway
    Caledonian Railway was a major Scottish railway company that operated extensive routes across Scotland and into England during the 19th and early 20th centuries.
  • B. North British Railway
    North British Railway was a major 19th- and early 20th-century Scottish railway company that operated extensive routes across central and eastern Scotland before becoming part of the London and North Eastern Railway in 1923.
  • C. London, Midland and Scottish Railway
    The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
  • D. Midland Railway
    Midland Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across central and northern England and played a key role in the development of the UK rail network.
  • E. Great Western Railway
    Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
  • 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_69a49358aa308190adbc9b5a0a2adcf9 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a62ca1d081908e3191411f86498d completed March 1, 2026, 8:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69a67878516c8190ac7682239dc63b6a completed March 3, 2026, 5:58 a.m.
NEDg Description generation batch_69a679738e508190a9fec24f2490f46b completed March 3, 2026, 6:02 a.m.
NED2 Entity disambiguation (via description) batch_69a679c1a8748190a1da4a4f1bfc417f completed March 3, 2026, 6:03 a.m.
Created at: March 1, 2026, 7:37 p.m.