Triple

T14927721
Position Surface form Disambiguated ID Type / Status
Subject Lawrence Hill railway station E372174 entity
Predicate originalOperator P179 FINISHED
Object Bristol and South Wales Union Railway
The Bristol and South Wales Union Railway was a 19th-century railway company that operated routes linking Bristol with South Wales before being absorbed into larger railway networks.
E1127298 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: Bristol and South Wales Union Railway | Statement: [Lawrence Hill railway station, originalOperator, Bristol and South Wales Union Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bristol and South Wales Union Railway
Context triple: [Lawrence Hill railway station, originalOperator, Bristol and South Wales Union Railway]
  • A. South Wales Railway
    The South Wales Railway was a 19th-century railway company that built and operated the main line linking Gloucester and later London with key industrial and port cities across South Wales.
  • B. Bristol and North Somerset Railway
    The Bristol and North Somerset Railway was a former railway line in southwest England that connected Bristol with the rural areas of North Somerset, serving local communities and industries.
  • C. Bristol and Gloucester Railway
    The Bristol and Gloucester Railway was a 19th-century English railway line that connected Bristol with Gloucester and later became part of the expanding Midland Railway network.
  • D. Bristol and Birmingham Railway
    The Bristol and Birmingham Railway was a historic British railway line that connected the cities of Bristol and Birmingham and later became part of the Midland Railway network.
  • E. Severn and Wye Railway
    The Severn and Wye Railway was a historic railway in Gloucestershire, England, primarily serving the Forest of Dean’s coal and iron industries and linking them to ports on the River Severn.
  • 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: Bristol and South Wales Union Railway
Triple: [Lawrence Hill railway station, originalOperator, Bristol and South Wales Union Railway]
Generated description
The Bristol and South Wales Union Railway was a 19th-century railway company that operated routes linking Bristol with South Wales before being absorbed into larger railway networks.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bristol and South Wales Union Railway
Target entity description: The Bristol and South Wales Union Railway was a 19th-century railway company that operated routes linking Bristol with South Wales before being absorbed into larger railway networks.
  • A. South Wales Railway
    The South Wales Railway was a 19th-century railway company that built and operated the main line linking Gloucester and later London with key industrial and port cities across South Wales.
  • B. Bristol and North Somerset Railway
    The Bristol and North Somerset Railway was a former railway line in southwest England that connected Bristol with the rural areas of North Somerset, serving local communities and industries.
  • C. Bristol and Gloucester Railway
    The Bristol and Gloucester Railway was a 19th-century English railway line that connected Bristol with Gloucester and later became part of the expanding Midland Railway network.
  • D. Bristol and Birmingham Railway
    The Bristol and Birmingham Railway was a historic British railway line that connected the cities of Bristol and Birmingham and later became part of the Midland Railway network.
  • E. Severn and Wye Railway
    The Severn and Wye Railway was a historic railway in Gloucestershire, England, primarily serving the Forest of Dean’s coal and iron industries and linking them to ports on the River Severn.
  • 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_69d85cc9da0c81908d583ca3f63a3908 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69ded634e67881909daec9eaef188d09 completed April 15, 2026, 12:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe72c4f9c481909642efccb29f71d4 completed May 8, 2026, 11:33 p.m.
NEDg Description generation batch_69fe744b9c048190ae2a64da53d8ffac completed May 8, 2026, 11:39 p.m.
NED2 Entity disambiguation (via description) batch_69fe74d510808190a2379a2380fc327e completed May 8, 2026, 11:42 p.m.
Created at: April 10, 2026, 2:35 a.m.