Triple

T14927678
Position Surface form Disambiguated ID Type / Status
Subject Stapleton Road railway station E372173 entity
Predicate line P1293 FINISHED
Object Bristol to Cardiff Line
The Bristol to Cardiff Line is a key cross-border railway route in the United Kingdom linking the cities of Bristol in England and Cardiff in Wales, serving both commuter and intercity traffic.
E1127295 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 to Cardiff Line | Statement: [Stapleton Road railway station, line, Bristol to Cardiff Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bristol to Cardiff Line
Context triple: [Stapleton Road railway station, line, Bristol to Cardiff Line]
  • A. Cardiff to Portsmouth Line
    The Cardiff to Portsmouth Line is a major cross-country railway route in the United Kingdom linking South Wales with the south coast of England via cities such as Bristol and Southampton.
  • B. Swansea–Cardiff line
    The Swansea–Cardiff line is a key railway route in South Wales that connects the cities of Swansea and Cardiff and serves numerous intermediate towns and communities.
  • C. Vale of Glamorgan Line
    The Vale of Glamorgan Line is a railway route in South Wales that connects Cardiff with coastal towns such as Barry and Bridgend, serving both commuter and regional passenger traffic.
  • D. Bristol to Taunton Line
    The Bristol to Taunton Line is a major railway route in South West England that connects the city of Bristol with the town of Taunton, serving intermediate communities such as Bridgwater.
  • E. Cardiff City Line
    Cardiff City Line is a suburban railway line in Cardiff, Wales, providing local passenger services between the city centre and its western districts.
  • 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 to Cardiff Line
Triple: [Stapleton Road railway station, line, Bristol to Cardiff Line]
Generated description
The Bristol to Cardiff Line is a key cross-border railway route in the United Kingdom linking the cities of Bristol in England and Cardiff in Wales, serving both commuter and intercity traffic.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bristol to Cardiff Line
Target entity description: The Bristol to Cardiff Line is a key cross-border railway route in the United Kingdom linking the cities of Bristol in England and Cardiff in Wales, serving both commuter and intercity traffic.
  • A. Cardiff to Portsmouth Line
    The Cardiff to Portsmouth Line is a major cross-country railway route in the United Kingdom linking South Wales with the south coast of England via cities such as Bristol and Southampton.
  • B. Swansea–Cardiff line
    The Swansea–Cardiff line is a key railway route in South Wales that connects the cities of Swansea and Cardiff and serves numerous intermediate towns and communities.
  • C. Vale of Glamorgan Line
    The Vale of Glamorgan Line is a railway route in South Wales that connects Cardiff with coastal towns such as Barry and Bridgend, serving both commuter and regional passenger traffic.
  • D. Bristol to Taunton Line
    The Bristol to Taunton Line is a major railway route in South West England that connects the city of Bristol with the town of Taunton, serving intermediate communities such as Bridgwater.
  • E. Cardiff City Line
    Cardiff City Line is a suburban railway line in Cardiff, Wales, providing local passenger services between the city centre and its western districts.
  • 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.