Triple

T21539346

Position	Surface form	Disambiguated ID	Type / Status
Subject	Bo’ness and Kinneil Railway	`E531439`	entity
Predicate	operatedBy	`P86`	FINISHED
Object	Scottish Railway Preservation Society The Scottish Railway Preservation Society is a heritage organization in Scotland dedicated to preserving and operating historic railway equipment and lines for education and public enjoyment.	`E1488807`	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: Scottish Railway Preservation Society | Statement: [Bo’ness and Kinneil Railway, operatedBy, Scottish Railway Preservation Society]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Scottish Railway Preservation Society
Context triple: [Bo’ness and Kinneil Railway, operatedBy, Scottish Railway Preservation Society]

A. 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.
B. Princess Elizabeth Locomotive Society
The Princess Elizabeth Locomotive Society is a preservation group dedicated to maintaining and operating the historic LMS Princess Royal Class steam locomotive No. 6201 "Princess Elizabeth" on the mainline and at heritage railways.
C. Glasgow and South Western Railway
The Glasgow and South Western Railway was a major pre-grouping Scottish railway company that operated routes in southwest Scotland and connected Glasgow with Ayrshire, Dumfries, and England.
D. Scottish Central Railway
The Scottish Central Railway was a 19th-century Scottish railway company that operated key routes linking central Scotland’s major cities before becoming part of larger railway groupings.
E. English Welsh & Scottish Railway
English Welsh & Scottish Railway (EWS) was a major British rail freight company formed in the 1990s that became the dominant freight operator in the UK before later being absorbed into DB Cargo UK.
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: Scottish Railway Preservation Society
Triple: [Bo’ness and Kinneil Railway, operatedBy, Scottish Railway Preservation Society]

Generated description

The Scottish Railway Preservation Society is a heritage organization in Scotland dedicated to preserving and operating historic railway equipment and lines for education and public enjoyment.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Scottish Railway Preservation Society
Target entity description: The Scottish Railway Preservation Society is a heritage organization in Scotland dedicated to preserving and operating historic railway equipment and lines for education and public enjoyment.

A. 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.
B. Princess Elizabeth Locomotive Society
The Princess Elizabeth Locomotive Society is a preservation group dedicated to maintaining and operating the historic LMS Princess Royal Class steam locomotive No. 6201 "Princess Elizabeth" on the mainline and at heritage railways.
C. Glasgow and South Western Railway
The Glasgow and South Western Railway was a major pre-grouping Scottish railway company that operated routes in southwest Scotland and connected Glasgow with Ayrshire, Dumfries, and England.
D. Scottish Central Railway
The Scottish Central Railway was a 19th-century Scottish railway company that operated key routes linking central Scotland’s major cities before becoming part of larger railway groupings.
E. English Welsh & Scottish Railway
English Welsh & Scottish Railway (EWS) was a major British rail freight company formed in the 1990s that became the dominant freight operator in the UK before later being absorbed into DB Cargo UK.
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_69e0c45f17148190949c330ab9c27706`	completed	April 16, 2026, 11:13 a.m.
NER	Named-entity recognition	`batch_69ee9d10a2888190bc4e502a829c76a4`	completed	April 26, 2026, 11:17 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a09e8387d3081908a1d428c79ed8c30`	completed	May 17, 2026, 4:09 p.m.
NEDg	Description generation	`batch_6a09e92969c881908b865da9d78cc48e`	completed	May 17, 2026, 4:13 p.m.
NED2	Entity disambiguation (via description)	`batch_6a09e9ad9da08190b222b06c41734994`	completed	May 17, 2026, 4:15 p.m.

Created at: April 16, 2026, 6:27 p.m.