Triple

T12114682
Position Surface form Disambiguated ID Type / Status
Subject Catford E288524 entity
Predicate hasRailLine P848 FINISHED
Object Mid-Kent Line
The Mid-Kent Line is a suburban railway line in southeast London and northwest Kent, providing commuter services between central London and towns such as Catford and Hayes.
 E974555 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: Mid-Kent Line | Statement: [Catford, hasRailLine, Mid-Kent Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mid-Kent Line
Context triple: [Catford, hasRailLine, Mid-Kent Line]
  • A. North Kent Line
    The North Kent Line is a major suburban and commuter railway route in southeast England connecting central London with towns along the River Thames in Kent.
  • B. Tonbridge–Maidstone line
    The Tonbridge–Maidstone line is a railway route in Kent, England, linking the town of Tonbridge with Maidstone and serving as part of the regional commuter network.
  • C. Maidstone East Line
    The Maidstone East Line is a railway route in Kent, England, connecting London with Maidstone and Ashford and serving several intermediate towns and villages.
  • D. Tonbridge Line
    The Tonbridge Line is a railway route in southeast England that links London with the town of Tonbridge and connects to several other regional lines.
  • E. Severn Beach Line
    The Severn Beach Line is a suburban railway route in the Bristol area of England, running from the city through its northern suburbs to the coastal village of Severn Beach.
  • 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: Mid-Kent Line
Triple: [Catford, hasRailLine, Mid-Kent Line]
Generated description
The Mid-Kent Line is a suburban railway line in southeast London and northwest Kent, providing commuter services between central London and towns such as Catford and Hayes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mid-Kent Line
Target entity description: The Mid-Kent Line is a suburban railway line in southeast London and northwest Kent, providing commuter services between central London and towns such as Catford and Hayes.
  • A. North Kent Line
    The North Kent Line is a major suburban and commuter railway route in southeast England connecting central London with towns along the River Thames in Kent.
  • B. Tonbridge–Maidstone line
    The Tonbridge–Maidstone line is a railway route in Kent, England, linking the town of Tonbridge with Maidstone and serving as part of the regional commuter network.
  • C. Maidstone East Line
    The Maidstone East Line is a railway route in Kent, England, connecting London with Maidstone and Ashford and serving several intermediate towns and villages.
  • D. Tonbridge Line
    The Tonbridge Line is a railway route in southeast England that links London with the town of Tonbridge and connects to several other regional lines.
  • E. Severn Beach Line
    The Severn Beach Line is a suburban railway route in the Bristol area of England, running from the city through its northern suburbs to the coastal village of Severn Beach.
  • 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_69d6ab4a5c448190a110d1273314b21a completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9156921dc8190aa132b0ab3a7c184 completed April 10, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f61e46d588819086bfde1b544cab82 completed May 2, 2026, 3:54 p.m.
NEDg Description generation batch_69f62000506081909f26a670bf81bf72 completed May 2, 2026, 4:02 p.m.
NED2 Entity disambiguation (via description) batch_69f6207f164c8190b663a50ee3c761d6 completed May 2, 2026, 4:04 p.m.
Created at: April 8, 2026, 9:49 p.m.