Triple

T3310159
Position Surface form Disambiguated ID Type / Status
Subject Plymouth railway station E69551 entity
Predicate onLine P1293 FINISHED
Object Tamar Valley Line
The Tamar Valley Line is a scenic rural railway route in Devon and Cornwall, England, running along the River Tamar and connecting Plymouth with the town of Gunnislake.
 E346951 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: Tamar Valley Line | Statement: [Plymouth railway station, onLine, Tamar Valley Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tamar Valley Line
Context triple: [Plymouth railway station, onLine, Tamar Valley Line]
  • A. Avon Valley Line
    The Avon Valley Line is a railway route in southwest England that follows the River Avon, connecting key towns and cities in the region.
  • B. Aberdare Line
    The Aberdare Line is a commuter rail route in South Wales that connects the town of Aberdare with Cardiff and other Valleys communities.
  • C. Bathgate Line
    The Bathgate Line is a Scottish railway route connecting Edinburgh with the town of Bathgate and other communities in West Lothian.
  • D. Derwent Valley Line
    The Derwent Valley Line is a regional railway route in Derbyshire, England, running through the scenic Derwent Valley and serving towns between Derby and Matlock.
  • E. Penistone Line
    The Penistone Line is a regional railway route in northern England that runs through South and West Yorkshire, connecting Sheffield with Huddersfield via Penistone and a series of rural and suburban communities.
  • 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: Tamar Valley Line
Triple: [Plymouth railway station, onLine, Tamar Valley Line]
Generated description
The Tamar Valley Line is a scenic rural railway route in Devon and Cornwall, England, running along the River Tamar and connecting Plymouth with the town of Gunnislake.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tamar Valley Line
Target entity description: The Tamar Valley Line is a scenic rural railway route in Devon and Cornwall, England, running along the River Tamar and connecting Plymouth with the town of Gunnislake.
  • A. Avon Valley Line
    The Avon Valley Line is a railway route in southwest England that follows the River Avon, connecting key towns and cities in the region.
  • B. Aberdare Line
    The Aberdare Line is a commuter rail route in South Wales that connects the town of Aberdare with Cardiff and other Valleys communities.
  • C. Bathgate Line
    The Bathgate Line is a Scottish railway route connecting Edinburgh with the town of Bathgate and other communities in West Lothian.
  • D. Derwent Valley Line
    The Derwent Valley Line is a regional railway route in Derbyshire, England, running through the scenic Derwent Valley and serving towns between Derby and Matlock.
  • E. Penistone Line
    The Penistone Line is a regional railway route in northern England that runs through South and West Yorkshire, connecting Sheffield with Huddersfield via Penistone and a series of rural and suburban communities.
  • 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_69ad859f218081909458d2cebbf57565 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb0eb6dd08190bab1ce80f417966a completed March 8, 2026, 5:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69b2f3f0d52081908bbade5e514f17d1 completed March 12, 2026, 5:12 p.m.
NEDg Description generation batch_69b2fa6edd6c8190a398e622c1c8600c completed March 12, 2026, 5:39 p.m.
NED2 Entity disambiguation (via description) batch_69b31413fa2481908a52237df05e6fe6 completed March 12, 2026, 7:29 p.m.
Created at: March 8, 2026, 3:11 p.m.