Triple

T10400146
Position Surface form Disambiguated ID Type / Status
Subject Welsh Highland Railway E245123 entity
Predicate hasStation P35 FINISHED
Object Pont Croesor station
Pont Croesor station is a rural halt on the heritage Welsh Highland Railway in North Wales, serving the nearby Glaslyn estuary and surrounding countryside.
E875028 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: Pont Croesor station | Statement: [Welsh Highland Railway, hasStation, Pont Croesor station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pont Croesor station
Context triple: [Welsh Highland Railway, hasStation, Pont Croesor station]
  • A. Rhyd Ddu station
    Rhyd Ddu station is a rural stop on the narrow-gauge Welsh Highland Railway in Snowdonia, serving the village of Rhyd Ddu and nearby mountain walking routes.
  • B. Cynwyd station
    Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
  • C. Snowdon station
    Snowdon station is a major Montreal Metro interchange station in the Côte-des-Neiges–Notre-Dame-de-Grâce borough, serving as a key hub on the city’s rapid transit network.
  • D. Waunfawr station
    Waunfawr station is a heritage railway station on the narrow-gauge Welsh Highland Railway in Gwynedd, Wales, serving the village of Waunfawr.
  • E. Llanberis station
    Llanberis station is the lower terminus and main departure point of the Snowdon Mountain Railway in Gwynedd, Wales.
  • 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: Pont Croesor station
Triple: [Welsh Highland Railway, hasStation, Pont Croesor station]
Generated description
Pont Croesor station is a rural halt on the heritage Welsh Highland Railway in North Wales, serving the nearby Glaslyn estuary and surrounding countryside.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pont Croesor station
Target entity description: Pont Croesor station is a rural halt on the heritage Welsh Highland Railway in North Wales, serving the nearby Glaslyn estuary and surrounding countryside.
  • A. Rhyd Ddu station
    Rhyd Ddu station is a rural stop on the narrow-gauge Welsh Highland Railway in Snowdonia, serving the village of Rhyd Ddu and nearby mountain walking routes.
  • B. Cynwyd station
    Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
  • C. Snowdon station
    Snowdon station is a major Montreal Metro interchange station in the Côte-des-Neiges–Notre-Dame-de-Grâce borough, serving as a key hub on the city’s rapid transit network.
  • D. Waunfawr station
    Waunfawr station is a heritage railway station on the narrow-gauge Welsh Highland Railway in Gwynedd, Wales, serving the village of Waunfawr.
  • E. Llanberis station
    Llanberis station is the lower terminus and main departure point of the Snowdon Mountain Railway in Gwynedd, Wales.
  • 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_69d381b5116081908d85227bab6d3c0c completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4e9d2e8488190b2bb8f8509903804 completed April 7, 2026, 11:26 a.m.
NED1 Entity disambiguation (via context triple) batch_69d96b1d5b388190841ed0df2145ad7a completed April 10, 2026, 9:26 p.m.
NEDg Description generation batch_69d96d85f9648190a43c8c924f5139e3 completed April 10, 2026, 9:37 p.m.
NED2 Entity disambiguation (via description) batch_69d96e1a36688190b97ced745bc6a30d completed April 10, 2026, 9:39 p.m.
Created at: April 6, 2026, 12:07 p.m.