Triple

T1746670
Position Surface form Disambiguated ID Type / Status
Subject London and North Eastern Railway E38349 entity
Predicate ownedFacility P8074 FINISHED
Object Doncaster Works
Doncaster Works is a historic British railway engineering and locomotive-building facility in Doncaster, England, long associated with the construction and maintenance of notable steam locomotives.
E195637 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: Doncaster Works | Statement: [London and North Eastern Railway, ownedFacility, Doncaster Works]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Doncaster Works
Context triple: [London and North Eastern Railway, ownedFacility, Doncaster Works]
  • A. Crewe Works
    Crewe Works is a historic railway engineering and manufacturing facility in Crewe, England, renowned for building and maintaining locomotives and rolling stock since the 19th century.
  • B. Horwich Works
    Horwich Works was a major railway locomotive construction and maintenance facility in Horwich, England, historically associated with the Lancashire and Yorkshire Railway.
  • C. Derby railway works
    Derby railway works is a historic British railway engineering and manufacturing complex in Derby that played a major role in the development and maintenance of locomotives and rolling stock.
  • D. Deeside engine plant
    The Deeside engine plant is a Toyota Manufacturing UK facility in Wales that produces engines and related components for Toyota vehicles.
  • E. Railway Technical Centre
    The Railway Technical Centre is a major British rail research and development facility in Derby that has historically served as the central hub for engineering, testing, and innovation for the UK railway industry.
  • 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: Doncaster Works
Triple: [London and North Eastern Railway, ownedFacility, Doncaster Works]
Generated description
Doncaster Works is a historic British railway engineering and locomotive-building facility in Doncaster, England, long associated with the construction and maintenance of notable steam locomotives.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Doncaster Works
Target entity description: Doncaster Works is a historic British railway engineering and locomotive-building facility in Doncaster, England, long associated with the construction and maintenance of notable steam locomotives.
  • A. Crewe Works
    Crewe Works is a historic railway engineering and manufacturing facility in Crewe, England, renowned for building and maintaining locomotives and rolling stock since the 19th century.
  • B. Horwich Works
    Horwich Works was a major railway locomotive construction and maintenance facility in Horwich, England, historically associated with the Lancashire and Yorkshire Railway.
  • C. Derby railway works
    Derby railway works is a historic British railway engineering and manufacturing complex in Derby that played a major role in the development and maintenance of locomotives and rolling stock.
  • D. Deeside engine plant
    The Deeside engine plant is a Toyota Manufacturing UK facility in Wales that produces engines and related components for Toyota vehicles.
  • E. Railway Technical Centre
    The Railway Technical Centre is a major British rail research and development facility in Derby that has historically served as the central hub for engineering, testing, and innovation for the UK railway industry.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: ownedFacility
Context triple: [London and North Eastern Railway, ownedFacility, Doncaster Works]
  • A. ownsFacilityOn chosen
    Indicates that one entity possesses ownership or control over a facility located on or associated with another entity (such as a site, property, or area).
  • B. servesFacility
    Indicates that one entity provides services or support to a particular facility as its client, target, or area of operation.
  • C. isNamedFacilityOf
    Indicates that a facility bears the official name associated with a particular entity (such as an organization, person, or place).
  • D. hasFacilityType
    Indicates that an entity possesses or is associated with a specific type or category of facility.
  • E. facility
    Indicates that one entity is a building, installation, or physical infrastructure used to host, support, or enable the operations or activities of another entity.
  • 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_69a8862b01a48190ab47209063af82d9 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69ab630e7d008190a8c673665d9672bb completed March 6, 2026, 11:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69ada0e058948190939e936af8f0e221 completed March 8, 2026, 4:16 p.m.
NEDg Description generation batch_69ada1a2122481909c7a3470e090af17 completed March 8, 2026, 4:19 p.m.
NED2 Entity disambiguation (via description) batch_69ada23515d08190833ad1a35bb7a265 completed March 8, 2026, 4:22 p.m.
PD Predicate disambiguation batch_69aa61c5a18481909bc49e0c54d64314 completed March 6, 2026, 5:10 a.m.
Created at: March 4, 2026, 7:31 p.m.