Triple

T6637412
Position Surface form Disambiguated ID Type / Status
Subject Salisbury railway station E150492 entity
Predicate railwayLine P848 FINISHED
Object Salisbury–Exeter line
The Salisbury–Exeter line is a major railway route in southern England that connects Salisbury with Exeter, serving numerous intermediate towns across Wiltshire, Dorset, and Devon.
E608601 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: Salisbury–Exeter line | Statement: [Salisbury railway station, railwayLine, Salisbury–Exeter line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Salisbury–Exeter line
Context triple: [Salisbury railway station, railwayLine, Salisbury–Exeter line]
  • A. Shrewsbury–Chester line
    The Shrewsbury–Chester line is a railway route in the United Kingdom connecting Shrewsbury in Shropshire with Chester in Cheshire, serving as an important regional passenger and freight corridor.
  • B. Salisbury–Bristol line
    The Salisbury–Bristol line is a railway route in southwest England that connects the city of Salisbury with Bristol, serving as part of the regional passenger rail network.
  • C. Carlisle–Chambersburg line
    The Carlisle–Chambersburg line was a 19th-century railroad route in south-central Pennsylvania that connected the towns of Carlisle and Chambersburg as part of the Cumberland Valley Railroad network.
  • D. Manassas Line
    The Manassas Line is a commuter rail route in Northern Virginia that connects suburban communities to Washington, D.C. as part of the Virginia Railway Express system.
  • E. Confederation Line
    The Confederation Line is a light rail transit line in Ottawa, Ontario, forming the backbone of the city’s O-Train rapid transit network.
  • 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: Salisbury–Exeter line
Triple: [Salisbury railway station, railwayLine, Salisbury–Exeter line]
Generated description
The Salisbury–Exeter line is a major railway route in southern England that connects Salisbury with Exeter, serving numerous intermediate towns across Wiltshire, Dorset, and Devon.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Salisbury–Exeter line
Target entity description: The Salisbury–Exeter line is a major railway route in southern England that connects Salisbury with Exeter, serving numerous intermediate towns across Wiltshire, Dorset, and Devon.
  • A. Shrewsbury–Chester line
    The Shrewsbury–Chester line is a railway route in the United Kingdom connecting Shrewsbury in Shropshire with Chester in Cheshire, serving as an important regional passenger and freight corridor.
  • B. Salisbury–Bristol line
    The Salisbury–Bristol line is a railway route in southwest England that connects the city of Salisbury with Bristol, serving as part of the regional passenger rail network.
  • C. Carlisle–Chambersburg line
    The Carlisle–Chambersburg line was a 19th-century railroad route in south-central Pennsylvania that connected the towns of Carlisle and Chambersburg as part of the Cumberland Valley Railroad network.
  • D. Manassas Line
    The Manassas Line is a commuter rail route in Northern Virginia that connects suburban communities to Washington, D.C. as part of the Virginia Railway Express system.
  • E. Confederation Line
    The Confederation Line is a light rail transit line in Ottawa, Ontario, forming the backbone of the city’s O-Train rapid transit network.
  • 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_69c687f0ceb08190bf40807bfc605fa5 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6afcf439c8190b9334b34774da821 completed March 27, 2026, 4:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6eeed01608190bbc6461ac8c3cadb completed March 27, 2026, 8:56 p.m.
NEDg Description generation batch_69c6f09ffdd481909418ae33d1683486 completed March 27, 2026, 9:03 p.m.
NED2 Entity disambiguation (via description) batch_69c6f159cbf08190a22d7488584b4580 completed March 27, 2026, 9:06 p.m.
Created at: March 27, 2026, 1:59 p.m.