Triple

T11260222
Position Surface form Disambiguated ID Type / Status
Subject Llanfairfechan E266541 entity
Predicate hasRailwayStation P918 FINISHED
Object Llanfairfechan railway station
Llanfairfechan railway station is a small coastal stop on the North Wales Coast Line in Conwy County Borough, Wales, serving the town of Llanfairfechan with regional rail services.
 E914774 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: Llanfairfechan railway station | Statement: [Llanfairfechan, hasRailwayStation, Llanfairfechan railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Llanfairfechan railway station
Context triple: [Llanfairfechan, hasRailwayStation, Llanfairfechan railway station]
  • A. Llanfairpwll railway station
    Llanfairpwll railway station is a small railway stop on the North Wales Coast Line serving the village of Llanfairpwllgwyngyll on the island of Anglesey.
  • B. Llanbedr railway station
    Llanbedr railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Llanbedr and nearby coastal areas.
  • C. Llanbradach railway station
    Llanbradach railway station is a local rail stop serving the village of Llanbradach in Caerphilly, Wales, providing passenger services on the Valley Lines network.
  • 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. 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: Llanfairfechan railway station
Triple: [Llanfairfechan, hasRailwayStation, Llanfairfechan railway station]
Generated description
Llanfairfechan railway station is a small coastal stop on the North Wales Coast Line in Conwy County Borough, Wales, serving the town of Llanfairfechan with regional rail services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Llanfairfechan railway station
Target entity description: Llanfairfechan railway station is a small coastal stop on the North Wales Coast Line in Conwy County Borough, Wales, serving the town of Llanfairfechan with regional rail services.
  • A. Llanfairpwll railway station
    Llanfairpwll railway station is a small railway stop on the North Wales Coast Line serving the village of Llanfairpwllgwyngyll on the island of Anglesey.
  • B. Llanbedr railway station
    Llanbedr railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Llanbedr and nearby coastal areas.
  • C. Llanbradach railway station
    Llanbradach railway station is a local rail stop serving the village of Llanbradach in Caerphilly, Wales, providing passenger services on the Valley Lines network.
  • 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. 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_69d6aac7953c8190b82caf9d7640fdf9 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e936cb048190b4d6fb2851ef8932 completed April 9, 2026, 6 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4ccada158819080e49833e09f84a0 completed April 19, 2026, 12:38 p.m.
NEDg Description generation batch_69e4d9ec9964819084bd7118e49c41a2 completed April 19, 2026, 1:34 p.m.
NED2 Entity disambiguation (via description) batch_69e4ddab4ef48190ab7f371da765c6c0 completed April 19, 2026, 1:50 p.m.
Created at: April 8, 2026, 9:31 p.m.