Triple

T8708766
Position Surface form Disambiguated ID Type / Status
Subject Llandeilo E206718 entity
Predicate hasRailwayStation P918 FINISHED
Object Llandeilo railway station
Llandeilo railway station is a small rural train stop in Carmarthenshire, Wales, serving the town of Llandeilo on the Heart of Wales Line.
 E753601 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: Llandeilo railway station | Statement: [Llandeilo, hasRailwayStation, Llandeilo railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Llandeilo railway station
Context triple: [Llandeilo, hasRailwayStation, Llandeilo railway station]
  • A. Llanelli railway station
    Llanelli railway station is a key passenger rail stop in Carmarthenshire, Wales, serving the town of Llanelli on routes including the West Wales Line.
  • B. Carmarthen railway station
    Carmarthen railway station is a key rail hub in west Wales serving the town of Carmarthen with regional and intercity connections.
  • C. Milford Haven railway station
    Milford Haven railway station is the western terminus of the West Wales Line in Pembrokeshire, Wales, serving the town of Milford Haven with regional rail services.
  • D. Llanhilleth railway station
    Llanhilleth railway station is a local stop on the Ebbw Vale Line in Wales, serving the village of Llanhilleth with regional rail connections.
  • E. Penryn railway station
    Penryn railway station is a small passenger rail stop in Penryn, Cornwall, England, serving the local community on the Maritime Line between Truro and Falmouth.
  • 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: Llandeilo railway station
Triple: [Llandeilo, hasRailwayStation, Llandeilo railway station]
Generated description
Llandeilo railway station is a small rural train stop in Carmarthenshire, Wales, serving the town of Llandeilo on the Heart of Wales Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Llandeilo railway station
Target entity description: Llandeilo railway station is a small rural train stop in Carmarthenshire, Wales, serving the town of Llandeilo on the Heart of Wales Line.
  • A. Llanelli railway station
    Llanelli railway station is a key passenger rail stop in Carmarthenshire, Wales, serving the town of Llanelli on routes including the West Wales Line.
  • B. Carmarthen railway station
    Carmarthen railway station is a key rail hub in west Wales serving the town of Carmarthen with regional and intercity connections.
  • C. Milford Haven railway station
    Milford Haven railway station is the western terminus of the West Wales Line in Pembrokeshire, Wales, serving the town of Milford Haven with regional rail services.
  • D. Llanhilleth railway station
    Llanhilleth railway station is a local stop on the Ebbw Vale Line in Wales, serving the village of Llanhilleth with regional rail connections.
  • E. Penryn railway station
    Penryn railway station is a small passenger rail stop in Penryn, Cornwall, England, serving the local community on the Maritime Line between Truro and Falmouth.
  • 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_69ca835645e881908f00e3c8b51da81d completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc58ffa6a481908866b6239d1d9b92 completed March 31, 2026, 11:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69cf28b78e90819098ab1d4877ab88fe completed April 3, 2026, 2:40 a.m.
NEDg Description generation batch_69cf2bd14c3c8190b43840ee57cca22c completed April 3, 2026, 2:54 a.m.
NED2 Entity disambiguation (via description) batch_69cf2cb3c4308190971fb3d25064f205 completed April 3, 2026, 2:57 a.m.
Created at: March 30, 2026, 6:35 p.m.