Triple

T2390814
Position Surface form Disambiguated ID Type / Status
Subject Dolwyddelan Castle E48936 entity
Predicate nearRailwayStation P31869 FINISHED
Object Dolwyddelan railway station
Dolwyddelan railway station is a small rural stop on the Conwy Valley Line in North Wales serving the village of Dolwyddelan in Snowdonia National Park.
E280405 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: Dolwyddelan railway station | Statement: [Dolwyddelan Castle, nearRailwayStation, Dolwyddelan railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Dolwyddelan railway station
Context triple: [Dolwyddelan Castle, nearRailwayStation, Dolwyddelan railway station]
  • A. 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.
  • B. Tywyn railway station
    Tywyn railway station is a small coastal railway stop in Gwynedd, Wales, serving the town of Tywyn on the Cambrian Line.
  • C. Abergynolwyn railway station
    Abergynolwyn railway station is a historic stop on the narrow-gauge Talyllyn Railway in Gwynedd, Wales, serving the former slate-mining village of Abergynolwyn.
  • D. Harlech railway station
    Harlech railway station is a small coastal stop on the Cambrian Coast Line in Gwynedd, Wales, serving the town of Harlech and its nearby historic castle.
  • E. 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.
  • 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: Dolwyddelan railway station
Triple: [Dolwyddelan Castle, nearRailwayStation, Dolwyddelan railway station]
Generated description
Dolwyddelan railway station is a small rural stop on the Conwy Valley Line in North Wales serving the village of Dolwyddelan in Snowdonia National Park.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Dolwyddelan railway station
Target entity description: Dolwyddelan railway station is a small rural stop on the Conwy Valley Line in North Wales serving the village of Dolwyddelan in Snowdonia National Park.
  • A. 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.
  • B. Tywyn railway station
    Tywyn railway station is a small coastal railway stop in Gwynedd, Wales, serving the town of Tywyn on the Cambrian Line.
  • C. Abergynolwyn railway station
    Abergynolwyn railway station is a historic stop on the narrow-gauge Talyllyn Railway in Gwynedd, Wales, serving the former slate-mining village of Abergynolwyn.
  • D. 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.
  • E. Harlech railway station
    Harlech railway station is a small coastal stop on the Cambrian Coast Line in Gwynedd, Wales, serving the town of Harlech and its nearby historic castle.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: nearRailwayStation
Context triple: [Dolwyddelan Castle, nearRailwayStation, Dolwyddelan railway station]
  • A. hasNearbyRailwayStation chosen
    Indicates that a railway station is located within a short or convenient distance from the referenced entity.
  • B. nearestPassengerRailStation
    Indicates that one entity is the closest passenger rail station in distance to another entity.
  • C. hasNearbyRailway
    Indicates that one entity is located close to a railway associated with or relevant to another entity.
  • D. nearMetroStation
    Indicates that one entity is located close to or within a short walking distance of a metro (subway) station.
  • E. nearestRailwayLine
    Indicates that one railway line is the closest in distance to a given location or feature compared to all other railway lines.
  • 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_69a88aa5f63081908d07fd302029fcbd completed March 4, 2026, 7:40 p.m.
NER Named-entity recognition batch_69abc87457388190822d5506327db8f2 completed March 7, 2026, 6:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69af6540028c8190aaafeada529d2e6a completed March 10, 2026, 12:26 a.m.
NEDg Description generation batch_69af68b8b2488190b5d87852ca331e0e completed March 10, 2026, 12:41 a.m.
NED2 Entity disambiguation (via description) batch_69af691252908190ad3671569044dbc4 completed March 10, 2026, 12:42 a.m.
PD Predicate disambiguation batch_69abc5a1b5748190b4cd8989700f4dd2 completed March 7, 2026, 6:28 a.m.
Created at: March 4, 2026, 7:57 p.m.