Triple

T1622249
Position Surface form Disambiguated ID Type / Status
Subject Leeds to Blackpool E35056 entity
Predicate usesInfrastructure P6820 FINISHED
Object Preston to Blackpool North line
The Preston to Blackpool North line is a key railway route in Lancashire, England, linking Preston with the seaside resort of Blackpool North and forming part of several regional and intercity services.
 E184449 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: Preston to Blackpool North line | Statement: [Leeds to Blackpool, usesInfrastructure, Preston to Blackpool North line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Preston to Blackpool North line
Context triple: [Leeds to Blackpool, usesInfrastructure, Preston to Blackpool North line]
  • A. Manchester–Blackpool North line
    The Manchester–Blackpool North line is a key railway route in North West England linking Manchester with the seaside resort of Blackpool, serving major intermediate towns and commuter hubs along the way.
  • B. 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.
  • C. Manchester–Wigan line
    The Manchester–Wigan line is a key suburban and regional railway route in Greater Manchester and Lancashire, connecting Manchester with Wigan and serving intermediate towns and commuter stations.
  • D. Manchester to Bolton line
    The Manchester to Bolton line is a suburban railway route in Greater Manchester, England, connecting Manchester with the town of Bolton and serving intermediate communities along the corridor.
  • E. 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.
  • 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: Preston to Blackpool North line
Triple: [Leeds to Blackpool, usesInfrastructure, Preston to Blackpool North line]
Generated description
The Preston to Blackpool North line is a key railway route in Lancashire, England, linking Preston with the seaside resort of Blackpool North and forming part of several regional and intercity services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Preston to Blackpool North line
Target entity description: The Preston to Blackpool North line is a key railway route in Lancashire, England, linking Preston with the seaside resort of Blackpool North and forming part of several regional and intercity services.
  • A. Manchester–Blackpool North line
    The Manchester–Blackpool North line is a key railway route in North West England linking Manchester with the seaside resort of Blackpool, serving major intermediate towns and commuter hubs along the way.
  • B. 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.
  • C. Manchester–Wigan line
    The Manchester–Wigan line is a key suburban and regional railway route in Greater Manchester and Lancashire, connecting Manchester with Wigan and serving intermediate towns and commuter stations.
  • D. Manchester to Bolton line
    The Manchester to Bolton line is a suburban railway route in Greater Manchester, England, connecting Manchester with the town of Bolton and serving intermediate communities along the corridor.
  • E. 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.
  • 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_69a886023194819080a3fccd6e325d0e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a909b1fc788190b38c0aa4ccc2e953 completed March 5, 2026, 4:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad58c9ed4c8190a546ec4977f60695 completed March 8, 2026, 11:08 a.m.
NEDg Description generation batch_69ad5a0a88ac819096598917c2c9de48 completed March 8, 2026, 11:14 a.m.
NED2 Entity disambiguation (via description) batch_69ad5a85071c8190bab5cefcd918bb8d completed March 8, 2026, 11:16 a.m.
Created at: March 4, 2026, 7:28 p.m.