Triple

T20281946
Position Surface form Disambiguated ID Type / Status
Subject Llangennech E503169 entity
Predicate hasRailwayStation P918 FINISHED
Object Llangennech railway station
Llangennech railway station is a small local train stop in the village of Llangennech, Carmarthenshire, Wales, providing regional rail services on the West Wales line.
E1421584 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: Llangennech railway station | Statement: [Llangennech, hasRailwayStation, Llangennech railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Llangennech railway station
Context triple: [Llangennech, hasRailwayStation, Llangennech railway station]
  • A. Llanymynech railway station
    Llanymynech railway station is a disused former railway station in Llanymynech, Powys, Wales, that once served the village on historic regional rail lines.
  • B. Llanwrtyd railway station
    Llanwrtyd railway station is a small rural stop in Powys, Wales, serving the town of Llanwrtyd Wells on the scenic Heart of Wales Line.
  • C. Nant Gwernol railway station
    Nant Gwernol railway station is the upper mountain terminus of the historic narrow-gauge Talyllyn Railway in Mid Wales, serving as a scenic endpoint for heritage steam train services.
  • D. Llanuwchllyn station
    Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
  • E. Glyndyfrdwy railway station
    Glyndyfrdwy railway station is a preserved heritage railway stop in Denbighshire, Wales, serving as one of the intermediate stations on the volunteer-run Llangollen Railway.
  • 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: Llangennech railway station
Triple: [Llangennech, hasRailwayStation, Llangennech railway station]
Generated description
Llangennech railway station is a small local train stop in the village of Llangennech, Carmarthenshire, Wales, providing regional rail services on the West Wales line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Llangennech railway station
Target entity description: Llangennech railway station is a small local train stop in the village of Llangennech, Carmarthenshire, Wales, providing regional rail services on the West Wales line.
  • A. Llanymynech railway station
    Llanymynech railway station is a disused former railway station in Llanymynech, Powys, Wales, that once served the village on historic regional rail lines.
  • B. Llanwrtyd railway station
    Llanwrtyd railway station is a small rural stop in Powys, Wales, serving the town of Llanwrtyd Wells on the scenic Heart of Wales Line.
  • C. Nant Gwernol railway station
    Nant Gwernol railway station is the upper mountain terminus of the historic narrow-gauge Talyllyn Railway in Mid Wales, serving as a scenic endpoint for heritage steam train services.
  • D. Llanuwchllyn station
    Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
  • E. Glyndyfrdwy railway station
    Glyndyfrdwy railway station is a preserved heritage railway stop in Denbighshire, Wales, serving as one of the intermediate stations on the volunteer-run Llangollen Railway.
  • 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_69e0b4b0e79c8190bd61f22ef1329fa8 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6768f86448190842389a98b93a918 completed April 20, 2026, 6:55 p.m.
NED1 Entity disambiguation (via context triple) batch_6a085a25e5f08190b11cbcbdda42113b completed May 16, 2026, 11:51 a.m.
NEDg Description generation batch_6a085a7ac4988190acb54e8316e8010b completed May 16, 2026, 11:52 a.m.
NED2 Entity disambiguation (via description) batch_6a085af42c1c81908c9ee0f84f9a9481 completed May 16, 2026, 11:54 a.m.
Created at: April 16, 2026, 10:39 a.m.