Triple

T409448
Position Surface form Disambiguated ID Type / Status
Subject Rawtenstall E9454 entity
Predicate servedByRailway P848 FINISHED
Object East Lancashire Railway
The East Lancashire Railway is a heritage railway in North West England that operates preserved steam and diesel services along a former main line between Heywood and Rawtenstall.
E51934 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: East Lancashire Railway | Statement: [Rawtenstall, servedByRailway, East Lancashire Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: East Lancashire Railway
Context triple: [Rawtenstall, servedByRailway, East Lancashire Railway]
  • A. Lancashire and Yorkshire Railway
    The Lancashire and Yorkshire Railway was a major pre-grouping British railway company that operated an extensive network of lines across industrial northern England during the 19th and early 20th centuries.
  • B. Manchester–Crewe line
    The Manchester–Crewe line is a key railway route in North West England linking Manchester with Crewe and serving major intermediate stops including Manchester Airport.
  • C. Manchester–Preston line
    The Manchester–Preston line is a key railway route in North West England linking Manchester with Preston and serving major intermediate stations such as Manchester Oxford Road.
  • D. Midland Railway
    Midland Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across central and northern England and played a key role in the development of the UK rail network.
  • E. Rochdale line
    The Rochdale line is a railway route in Greater Manchester, England, forming part of the local and regional rail network connecting Manchester with Rochdale and surrounding areas.
  • 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: East Lancashire Railway
Triple: [Rawtenstall, servedByRailway, East Lancashire Railway]
Generated description
The East Lancashire Railway is a heritage railway in North West England that operates preserved steam and diesel services along a former main line between Heywood and Rawtenstall.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: East Lancashire Railway
Target entity description: The East Lancashire Railway is a heritage railway in North West England that operates preserved steam and diesel services along a former main line between Heywood and Rawtenstall.
  • A. Lancashire and Yorkshire Railway
    The Lancashire and Yorkshire Railway was a major pre-grouping British railway company that operated an extensive network of lines across industrial northern England during the 19th and early 20th centuries.
  • B. Manchester–Crewe line
    The Manchester–Crewe line is a key railway route in North West England linking Manchester with Crewe and serving major intermediate stops including Manchester Airport.
  • C. Manchester–Preston line
    The Manchester–Preston line is a key railway route in North West England linking Manchester with Preston and serving major intermediate stations such as Manchester Oxford Road.
  • D. Midland Railway
    Midland Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across central and northern England and played a key role in the development of the UK rail network.
  • E. Rochdale line
    The Rochdale line is a railway route in Greater Manchester, England, forming part of the local and regional rail network connecting Manchester with Rochdale and surrounding areas.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: servedByRailway
Context triple: [Rawtenstall, servedByRailway, East Lancashire Railway]
  • A. servedByRailroad
    Indicates that a location or facility is provided with transportation or service by a railroad line or company.
  • B. railwayCompany
    Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
  • C. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • D. hasRailwayStation
    Indicates that a place or location is served by, or contains, a railway station.
  • E. railwayLine chosen
    Indicates that there is a railway line connection or route associated with or passing through the referenced 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_69a2e80111fc8190961d5b7c6154123f completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ed31681c8190ac32334562fb17fd completed Feb. 28, 2026, 1:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69a41777d794819099a07555ad2defe2 completed March 1, 2026, 10:39 a.m.
NEDg Description generation batch_69a418da55088190935babe9abae5ac4 completed March 1, 2026, 10:45 a.m.
NED2 Entity disambiguation (via description) batch_69a4196334948190a1f6004b1a292550 completed March 1, 2026, 10:48 a.m.
PD Predicate disambiguation batch_69a2e9737694819080fde9adcc1aa4d4 completed Feb. 28, 2026, 1:11 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.