Triple

T6207442
Position Surface form Disambiguated ID Type / Status
Subject Swansea Valley E138782 entity
Predicate hasTransportRoute P11026 FINISHED
Object Swansea District railway lines (historical)
The Swansea District railway lines were historical rail routes that served the Swansea Valley region of South Wales, primarily facilitating industrial freight and regional connectivity.
 E576778 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: Swansea District railway lines (historical) | Statement: [Swansea Valley, hasTransportRoute, Swansea District railway lines (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Swansea District railway lines (historical)
Context triple: [Swansea Valley, hasTransportRoute, Swansea District railway lines (historical)]
  • A. Swansea Bay railway line
    The Swansea Bay railway line is a coastal rail route in South Wales that connects communities around Swansea Bay and links them to the wider national rail network.
  • B. 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.
  • C. Pontypool and Blaenavon Railway
    Pontypool and Blaenavon Railway is a preserved heritage railway in South Wales that operates historic trains along a former industrial line serving the Blaenavon World Heritage landscape.
  • D. Neath and Brecon Railway (historical)
    The Neath and Brecon Railway was a former railway line in South Wales that linked the industrial valleys and rural communities of Brecknockshire and Glamorgan to the wider British rail network.
  • E. Welsh Marches Line
    The Welsh Marches Line is a major railway route in the United Kingdom running through the border counties between England and Wales, linking cities such as Shrewsbury, Hereford, and Newport.
  • 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: Swansea District railway lines (historical)
Triple: [Swansea Valley, hasTransportRoute, Swansea District railway lines (historical)]
Generated description
The Swansea District railway lines were historical rail routes that served the Swansea Valley region of South Wales, primarily facilitating industrial freight and regional connectivity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Swansea District railway lines (historical)
Target entity description: The Swansea District railway lines were historical rail routes that served the Swansea Valley region of South Wales, primarily facilitating industrial freight and regional connectivity.
  • A. Swansea Bay railway line
    The Swansea Bay railway line is a coastal rail route in South Wales that connects communities around Swansea Bay and links them to the wider national rail network.
  • B. 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.
  • C. Pontypool and Blaenavon Railway
    Pontypool and Blaenavon Railway is a preserved heritage railway in South Wales that operates historic trains along a former industrial line serving the Blaenavon World Heritage landscape.
  • D. Neath and Brecon Railway (historical)
    The Neath and Brecon Railway was a former railway line in South Wales that linked the industrial valleys and rural communities of Brecknockshire and Glamorgan to the wider British rail network.
  • E. Welsh Marches Line
    The Welsh Marches Line is a major railway route in the United Kingdom running through the border counties between England and Wales, linking cities such as Shrewsbury, Hereford, and Newport.
  • 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_69c008ada364819096c9e92c74d639b5 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c06270b8d08190a81bc03c8175b989 completed March 22, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69c16f4ce8888190b5cc4f1b091e88f3 completed March 23, 2026, 4:50 p.m.
NEDg Description generation batch_69c1e69150ac81909f7247ba3dd1e373 completed March 24, 2026, 1:19 a.m.
NED2 Entity disambiguation (via description) batch_69c1e71bd420819082d802f810baa61e completed March 24, 2026, 1:21 a.m.
Created at: March 22, 2026, 4:20 p.m.