Triple

T17446124
Position Surface form Disambiguated ID Type / Status
Subject Welshpool and Llanfair Light Railway E424787 entity
Predicate hasStation P35 FINISHED
Object Castell Caereinion
Castell Caereinion is a small village in Powys, mid Wales, known for its rural setting and historic connections to local narrow-gauge railways.
E1269815 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: Castell Caereinion | Statement: [Welshpool and Llanfair Light Railway, hasStation, Castell Caereinion]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Castell Caereinion
Context triple: [Welshpool and Llanfair Light Railway, hasStation, Castell Caereinion]
  • A. Dinefwr Castle
    Dinefwr Castle is a medieval Welsh fortress in Carmarthenshire, historically associated with the princes of Deheubarth and renowned for its picturesque hilltop ruins overlooking the surrounding countryside.
  • B. Castell Dinas Brân
    Castell Dinas Brân is a dramatic medieval hilltop castle ruin in North Wales, renowned for its striking views over the surrounding valley and its rich Welsh history and legends.
  • C. Llandovery Castle
    Llandovery Castle is a ruined medieval fortress in Carmarthenshire, Wales, historically significant for its strategic position and turbulent role in the conflicts between the Welsh princes and the English crown.
  • D. Caer Drewyn hillfort
    Caer Drewyn hillfort is an Iron Age hillfort in Denbighshire, Wales, known for its well-preserved earthworks and commanding views over the Dee Valley near Corwen.
  • E. Carmarthen Castle
    Carmarthen Castle is a historic medieval fortress in the town of Carmarthen, Wales, notable for its strategic role in Welsh and English history.
  • 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: Castell Caereinion
Triple: [Welshpool and Llanfair Light Railway, hasStation, Castell Caereinion]
Generated description
Castell Caereinion is a small village in Powys, mid Wales, known for its rural setting and historic connections to local narrow-gauge railways.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Castell Caereinion
Target entity description: Castell Caereinion is a small village in Powys, mid Wales, known for its rural setting and historic connections to local narrow-gauge railways.
  • A. Dinefwr Castle
    Dinefwr Castle is a medieval Welsh fortress in Carmarthenshire, historically associated with the princes of Deheubarth and renowned for its picturesque hilltop ruins overlooking the surrounding countryside.
  • B. Castell Dinas Brân
    Castell Dinas Brân is a dramatic medieval hilltop castle ruin in North Wales, renowned for its striking views over the surrounding valley and its rich Welsh history and legends.
  • C. Llandovery Castle
    Llandovery Castle is a ruined medieval fortress in Carmarthenshire, Wales, historically significant for its strategic position and turbulent role in the conflicts between the Welsh princes and the English crown.
  • D. Caer Drewyn hillfort
    Caer Drewyn hillfort is an Iron Age hillfort in Denbighshire, Wales, known for its well-preserved earthworks and commanding views over the Dee Valley near Corwen.
  • E. Carmarthen Castle
    Carmarthen Castle is a historic medieval fortress in the town of Carmarthen, Wales, notable for its strategic role in Welsh and English history.
  • 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_69d889db0ba481908402409af3b37917 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e44ffafec48190b25980318cea353f completed April 19, 2026, 3:46 a.m.
NED1 Entity disambiguation (via context triple) batch_6a01aff85fa0819098b01ec5a7ebb730 completed May 11, 2026, 10:31 a.m.
NEDg Description generation batch_6a01b0cd1df481908c760bdfcacba496 completed May 11, 2026, 10:34 a.m.
NED2 Entity disambiguation (via description) batch_6a01b208e6d8819080a363da368ec2e9 completed May 11, 2026, 10:40 a.m.
Created at: April 10, 2026, 5:47 a.m.