Triple

T10400141
Position Surface form Disambiguated ID Type / Status
Subject Welsh Highland Railway E245123 entity
Predicate hasStation P35 FINISHED
Object Caernarfon station
Caernarfon station is the northern terminus and main passenger station of the heritage Welsh Highland Railway in Caernarfon, Wales.
E865331 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: Caernarfon station | Statement: [Welsh Highland Railway, hasStation, Caernarfon station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Caernarfon station
Context triple: [Welsh Highland Railway, hasStation, Caernarfon station]
  • A. Conwy railway station
    Conwy railway station is a small stop on the North Wales Coast Line serving the historic walled town of Conwy in Wales.
  • B. Llanberis station
    Llanberis station is the lower terminus and main departure point of the Snowdon Mountain Railway in Gwynedd, Wales.
  • C. North Wales station
    North Wales station is a commuter rail stop in North Wales, Pennsylvania, served by SEPTA Regional Rail.
  • D. 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.
  • E. 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.
  • 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: Caernarfon station
Triple: [Welsh Highland Railway, hasStation, Caernarfon station]
Generated description
Caernarfon station is the northern terminus and main passenger station of the heritage Welsh Highland Railway in Caernarfon, Wales.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Caernarfon station
Target entity description: Caernarfon station is the northern terminus and main passenger station of the heritage Welsh Highland Railway in Caernarfon, Wales.
  • A. Conwy railway station
    Conwy railway station is a small stop on the North Wales Coast Line serving the historic walled town of Conwy in Wales.
  • B. Llanberis station
    Llanberis station is the lower terminus and main departure point of the Snowdon Mountain Railway in Gwynedd, Wales.
  • C. North Wales station
    North Wales station is a commuter rail stop in North Wales, Pennsylvania, served by SEPTA Regional Rail.
  • D. 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.
  • E. 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.
  • 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_69d89f6fbc848190806d50bfad654b27 completed April 10, 2026, 6:57 a.m.
NEDg Description generation batch_69d8a2b0d8c88190a1a64bd2bbacabbe completed April 10, 2026, 7:11 a.m.
NED2 Entity disambiguation (via description) batch_69d8a6560ddc81909d540f78a9413b3e completed April 10, 2026, 7:27 a.m.
Created at: April 6, 2026, 12:07 p.m.