Triple

T33617299
Position Surface form Disambiguated ID Type / Status
Subject Llanberis Lake Railway E861152 entity
Predicate builtOnFormerTrackbedOf P14629 FINISHED
Object Padarn Railway
The Padarn Railway was a 19th-century narrow-gauge industrial railway in North Wales that primarily served the Dinorwic slate quarry, transporting slate to the port at Y Felinheli.
 E2061053 NE FINISHED

How this triple was built (3 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: Padarn Railway | Statement: [Llanberis Lake Railway, builtOnFormerTrackbedOf, Padarn Railway]
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: Padarn Railway
Triple: [Llanberis Lake Railway, builtOnFormerTrackbedOf, Padarn Railway]
Generated description
The Padarn Railway was a 19th-century narrow-gauge industrial railway in North Wales that primarily served the Dinorwic slate quarry, transporting slate to the port at Y Felinheli.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: builtOnFormerTrackbedOf
Context triple: [Llanberis Lake Railway, builtOnFormerTrackbedOf, Padarn Railway]
  • A. locatedOnFormerRailway
    Indicates that something is situated on the route or site of a railway line that is no longer in operation.
  • B. formerTransportInfrastructure
    Indicates that an entity was once used as transport infrastructure but no longer serves that function.
  • C. followsFormerRailroad chosen
    Indicates that something is aligned with or traces the route of a former railroad line.
  • D. rebuiltOnSiteOf
    Indicates that a structure was reconstructed or newly built on the same physical location where an earlier structure once stood.
  • E. railTracks
    Indicates that one entity consists of, includes, or is associated with rail tracks used for guiding trains or rail vehicles.
  • 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_69f34980fabc81909819228729a9ca84 completed April 30, 2026, 12:22 p.m.
NER Named-entity recognition batch_69f6f818d0588190b62399a5c5e9fa21 completed May 3, 2026, 7:24 a.m.
NED1 Entity disambiguation (via context triple) batch_6a36271342ec81908fe9b5625ee7fda9 completed June 20, 2026, 5:37 a.m.
NEDg Description generation batch_6a36287379bc819093531d0ca6f2e2b1 completed June 20, 2026, 5:43 a.m.
NED2 Entity disambiguation (via description) batch_6a36290ab68081908c16a32eac142a8d completed June 20, 2026, 5:45 a.m.
PD Predicate disambiguation batch_69f6f6632dfc8190af85e258c8519207 completed May 3, 2026, 7:16 a.m.
Created at: May 1, 2026, 1:41 a.m.