Triple

T9664494
Position Surface form Disambiguated ID Type / Status
Subject Aberystwyth railway station E233667 entity
Predicate adjacentTo P224 FINISHED
Object Vale of Rheidol Railway station
Vale of Rheidol Railway station is the narrow-gauge heritage terminus in Aberystwyth serving the historic Vale of Rheidol steam railway.
E812870 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: Vale of Rheidol Railway station | Statement: [Aberystwyth railway station, adjacentTo, Vale of Rheidol Railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Vale of Rheidol Railway station
Context triple: [Aberystwyth railway station, adjacentTo, Vale of Rheidol Railway station]
  • A. Lochgelly railway station
    Lochgelly railway station is a local rail stop in the town of Lochgelly, Fife, Scotland, providing passenger services on regional routes.
  • B. Betws-y-Coed railway station
    Betws-y-Coed railway station is a rural stop on the Conwy Valley Line in North Wales, serving the village of Betws-y-Coed and acting as a gateway to Snowdonia for tourists and walkers.
  • C. 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.
  • 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. Longniddry railway station
    Longniddry railway station is a small commuter and regional rail stop in East Lothian, Scotland, serving the village of Longniddry with regular services to Edinburgh and North Berwick.
  • 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: Vale of Rheidol Railway station
Triple: [Aberystwyth railway station, adjacentTo, Vale of Rheidol Railway station]
Generated description
Vale of Rheidol Railway station is the narrow-gauge heritage terminus in Aberystwyth serving the historic Vale of Rheidol steam railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Vale of Rheidol Railway station
Target entity description: Vale of Rheidol Railway station is the narrow-gauge heritage terminus in Aberystwyth serving the historic Vale of Rheidol steam railway.
  • A. Lochgelly railway station
    Lochgelly railway station is a local rail stop in the town of Lochgelly, Fife, Scotland, providing passenger services on regional routes.
  • B. Betws-y-Coed railway station
    Betws-y-Coed railway station is a rural stop on the Conwy Valley Line in North Wales, serving the village of Betws-y-Coed and acting as a gateway to Snowdonia for tourists and walkers.
  • C. 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.
  • 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. Longniddry railway station
    Longniddry railway station is a small commuter and regional rail stop in East Lothian, Scotland, serving the village of Longniddry with regular services to Edinburgh and North Berwick.
  • 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_69ca848d3b6c8190ae98ea554dea58df completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9c0e1ef481909c50a4ba5fd94583 completed April 1, 2026, 10:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69d18a17eea08190825404b01b0e8d96 completed April 4, 2026, 10 p.m.
NEDg Description generation batch_69d18aee8ef8819080ce061f3d145712 completed April 4, 2026, 10:04 p.m.
NED2 Entity disambiguation (via description) batch_69d18b34d14881909b8da862c12f8727 completed April 4, 2026, 10:05 p.m.
Created at: March 30, 2026, 8:14 p.m.