Triple

T13954654
Position Surface form Disambiguated ID Type / Status
Subject Tal-y-Cafn E335623 entity
Predicate hasFormerInfrastructure P59507 FINISHED
Object Tal-y-Cafn railway station
Tal-y-Cafn railway station is a small rural stop on the Conwy Valley Line in Wales, serving the village of Tal-y-Cafn and surrounding areas.
E1071316 NE FINISHED

How this triple was built (5 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: Tal-y-Cafn railway station | Statement: [Tal-y-Cafn, hasFormerInfrastructure, Tal-y-Cafn railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tal-y-Cafn railway station
Context triple: [Tal-y-Cafn, hasFormerInfrastructure, Tal-y-Cafn railway station]
  • A. Cefn-y-Bedd railway station
    Cefn-y-Bedd railway station is a small rural stop in Wrexham County Borough, Wales, serving the village of Cefn-y-Bedd with local passenger services.
  • B. Trawsfynydd railway station
    Trawsfynydd railway station is a disused former railway station in Gwynedd, Wales, that once served the village of Trawsfynydd and its surrounding rural area.
  • C. Caerphilly railway station
    Caerphilly railway station is a passenger rail station in Caerphilly, Wales, providing local and regional train services.
  • D. 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.
  • E. Ystrad Mynach railway station
    Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
  • 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: Tal-y-Cafn railway station
Triple: [Tal-y-Cafn, hasFormerInfrastructure, Tal-y-Cafn railway station]
Generated description
Tal-y-Cafn railway station is a small rural stop on the Conwy Valley Line in Wales, serving the village of Tal-y-Cafn and surrounding areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tal-y-Cafn railway station
Target entity description: Tal-y-Cafn railway station is a small rural stop on the Conwy Valley Line in Wales, serving the village of Tal-y-Cafn and surrounding areas.
  • A. Cefn-y-Bedd railway station
    Cefn-y-Bedd railway station is a small rural stop in Wrexham County Borough, Wales, serving the village of Cefn-y-Bedd with local passenger services.
  • B. Trawsfynydd railway station
    Trawsfynydd railway station is a disused former railway station in Gwynedd, Wales, that once served the village of Trawsfynydd and its surrounding rural area.
  • C. Caerphilly railway station
    Caerphilly railway station is a passenger rail station in Caerphilly, Wales, providing local and regional train services.
  • D. 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.
  • E. Ystrad Mynach railway station
    Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasFormerInfrastructure
Context triple: [Tal-y-Cafn, hasFormerInfrastructure, Tal-y-Cafn railway station]
  • A. formerInfrastructure chosen
    Indicates that an entity once served as infrastructure for another entity or system but no longer holds that functional status.
  • B. hasInfrastructureAbove
    Indicates that one entity’s infrastructure is physically located above or over another entity.
  • C. hasFormerBuilding
    Indicates that an entity previously occupied or used a different building, which is identified as its former building.
  • D. hasFormerSettlement
    Indicates that a location previously contained a settlement that no longer exists or is no longer inhabited.
  • E. hasFormerService
    Indicates that an entity previously provided a service to another entity but no longer does so.
  • F. None of above.

Provenance (6 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_69d81c6081b88190b53e317c3370c8fe completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de2e78a4a481908e438745631a43c0 completed April 14, 2026, 12:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69fba1d0735c81909ec0eab090af08a1 completed May 6, 2026, 8:17 p.m.
NEDg Description generation batch_69fba5646cb48190acd932f6fbd6fe62 completed May 6, 2026, 8:32 p.m.
NED2 Entity disambiguation (via description) batch_69fba6525d0c8190a1ab15881030c11c completed May 6, 2026, 8:36 p.m.
PD Predicate disambiguation batch_69de05a3ccf88190b45c742db483fa08 completed April 14, 2026, 9:15 a.m.
Created at: April 9, 2026, 10:17 p.m.