Triple

T4873942
Position Surface form Disambiguated ID Type / Status
Subject Watercress Line E109153 entity
Predicate isMemberOf P10 FINISHED
Object Heritage Railway Association
The Heritage Railway Association is a UK-based organization that represents, supports, and advocates for heritage railways, tramways, and related preservation groups.
 E476750 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: Heritage Railway Association | Statement: [Watercress Line, isMemberOf, Heritage Railway Association]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Heritage Railway Association
Context triple: [Watercress Line, isMemberOf, Heritage Railway Association]
  • A. Cambrian Heritage Railways
    Cambrian Heritage Railways is a preserved heritage railway in Shropshire, England, dedicated to restoring and operating former Cambrian Railways lines and rolling stock for historical and tourist purposes.
  • B. Gloucestershire Warwickshire Steam Railway
    The Gloucestershire Warwickshire Steam Railway is a volunteer-run heritage railway in England that operates steam and heritage diesel trains along a restored section of the former Great Western Railway between Cheltenham and Broadway.
  • C. Adirondack Railway Preservation Society
    The Adirondack Railway Preservation Society is a nonprofit organization dedicated to preserving and operating historic rail service in New York’s Adirondack region.
  • D. Mid Hants Railway
    Mid Hants Railway, also known as the Watercress Line, is a preserved heritage railway in Hampshire, England, famed for its steam-hauled services through scenic countryside.
  • E. Railway Museum
    The Railway Museum in Livingstone is a heritage institution dedicated to preserving and showcasing the history of rail transport in Zambia and the wider region.
  • 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: Heritage Railway Association
Triple: [Watercress Line, isMemberOf, Heritage Railway Association]
Generated description
The Heritage Railway Association is a UK-based organization that represents, supports, and advocates for heritage railways, tramways, and related preservation groups.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Heritage Railway Association
Target entity description: The Heritage Railway Association is a UK-based organization that represents, supports, and advocates for heritage railways, tramways, and related preservation groups.
  • A. Cambrian Heritage Railways
    Cambrian Heritage Railways is a preserved heritage railway in Shropshire, England, dedicated to restoring and operating former Cambrian Railways lines and rolling stock for historical and tourist purposes.
  • B. Gloucestershire Warwickshire Steam Railway
    The Gloucestershire Warwickshire Steam Railway is a volunteer-run heritage railway in England that operates steam and heritage diesel trains along a restored section of the former Great Western Railway between Cheltenham and Broadway.
  • C. Adirondack Railway Preservation Society
    The Adirondack Railway Preservation Society is a nonprofit organization dedicated to preserving and operating historic rail service in New York’s Adirondack region.
  • D. Mid Hants Railway
    Mid Hants Railway, also known as the Watercress Line, is a preserved heritage railway in Hampshire, England, famed for its steam-hauled services through scenic countryside.
  • E. Railway Museum
    The Railway Museum in Livingstone is a heritage institution dedicated to preserving and showcasing the history of rail transport in Zambia and the wider region.
  • 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_69bd440d96a48190b0c87069adef2af1 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6d9fa0b08190ab1fc7ec395dca37 completed March 20, 2026, 3:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69be67f5b51c8190a8114450084d2b13 completed March 21, 2026, 9:42 a.m.
NEDg Description generation batch_69be69ed67f4819094656680ac3a174a completed March 21, 2026, 9:50 a.m.
NED2 Entity disambiguation (via description) batch_69be6a368ca88190b57fdf7c8c9f4e60 completed March 21, 2026, 9:51 a.m.
Created at: March 20, 2026, 1:27 p.m.