Triple

T9664493
Position Surface form Disambiguated ID Type / Status
Subject Aberystwyth railway station E233667 entity
Predicate hasHeritageConnection P83897 FINISHED
Object Vale of Rheidol Railway
The Vale of Rheidol Railway is a historic narrow-gauge steam railway in Ceredigion, Wales, running through the scenic Rheidol Valley between Aberystwyth and Devil's Bridge.
E812869 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: Vale of Rheidol Railway | Statement: [Aberystwyth railway station, hasHeritageConnection, Vale of Rheidol Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Vale of Rheidol Railway
Context triple: [Aberystwyth railway station, hasHeritageConnection, Vale of Rheidol Railway]
  • A. Welsh Highland Railway
    The Welsh Highland Railway is a scenic narrow-gauge heritage railway in North Wales that runs through the mountainous landscapes of Snowdonia.
  • B. Ffestiniog Railway
    Ffestiniog Railway is a historic narrow-gauge heritage railway in North Wales, renowned as one of the oldest independent railway companies in the world and a popular tourist attraction through the Snowdonia landscape.
  • C. Ebbw Valley Railway
    The Ebbw Valley Railway is a passenger rail line in South Wales that connects communities in the Ebbw Valley with larger hubs such as Cardiff, supporting regional commuting and regeneration.
  • D. Sirhowy Railway
    The Sirhowy Railway was a historic Welsh railway line that played a key role in transporting coal and iron through the Sirhowy Valley during the industrial era.
  • E. Barry Railway
    Barry Railway was a historic Welsh railway company that played a key role in transporting coal and goods to and from Barry Docks.
  • 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
Triple: [Aberystwyth railway station, hasHeritageConnection, Vale of Rheidol Railway]
Generated description
The Vale of Rheidol Railway is a historic narrow-gauge steam railway in Ceredigion, Wales, running through the scenic Rheidol Valley between Aberystwyth and Devil's Bridge.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Vale of Rheidol Railway
Target entity description: The Vale of Rheidol Railway is a historic narrow-gauge steam railway in Ceredigion, Wales, running through the scenic Rheidol Valley between Aberystwyth and Devil's Bridge.
  • A. Welsh Highland Railway
    The Welsh Highland Railway is a scenic narrow-gauge heritage railway in North Wales that runs through the mountainous landscapes of Snowdonia.
  • B. Ffestiniog Railway
    Ffestiniog Railway is a historic narrow-gauge heritage railway in North Wales, renowned as one of the oldest independent railway companies in the world and a popular tourist attraction through the Snowdonia landscape.
  • C. Ebbw Valley Railway
    The Ebbw Valley Railway is a passenger rail line in South Wales that connects communities in the Ebbw Valley with larger hubs such as Cardiff, supporting regional commuting and regeneration.
  • D. Sirhowy Railway
    The Sirhowy Railway was a historic Welsh railway line that played a key role in transporting coal and iron through the Sirhowy Valley during the industrial era.
  • E. Barry Railway
    Barry Railway was a historic Welsh railway company that played a key role in transporting coal and goods to and from Barry Docks.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasHeritageConnection
Context triple: [Aberystwyth railway station, hasHeritageConnection, Vale of Rheidol Railway]
  • A. hasHeritageConnectionWith chosen
    Indicates a relationship where two entities are linked through shared, inherited, or culturally transmitted heritage or ancestry.
  • B. hasHeritage
    Indicates that an entity possesses or is associated with a particular cultural, ethnic, or ancestral background.
  • C. hasHeritageOrganization
    Indicates that an entity is associated with, or belongs to, a particular heritage-related organization.
  • D. hasHeritageContext
    Indicates that something is associated with, influenced by, or situated within a particular cultural, historical, or heritage-related context.
  • E. hasHeritageFocus
    Indicates that something is primarily concerned with, dedicated to, or centered around heritage-related themes, values, or preservation.
  • 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_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.
PD Predicate disambiguation batch_69ccd5b3239c8190b3ae3b9bd121e4bd completed April 1, 2026, 8:22 a.m.
Created at: March 30, 2026, 8:14 p.m.