Triple

T4349757
Position Surface form Disambiguated ID Type / Status
Subject Havant railway station E97993 entity
Predicate onLine P1293 FINISHED
Object London Waterloo to Portsmouth Harbour route
The London Waterloo to Portsmouth Harbour route is a major south-western English railway line connecting central London with the naval city of Portsmouth via key intermediate stations such as Havant.
E433481 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: London Waterloo to Portsmouth Harbour route | Statement: [Havant railway station, onLine, London Waterloo to Portsmouth Harbour route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Waterloo to Portsmouth Harbour route
Context triple: [Havant railway station, onLine, London Waterloo to Portsmouth Harbour route]
  • A. London Paddington–Swansea route
    The London Paddington–Swansea route is a major intercity railway line in Great Britain linking London with South Wales, serving key cities such as Reading, Bristol (via connecting routes), Cardiff, and Swansea.
  • B. Dover–Ramsgate line
    The Dover–Ramsgate line is a coastal railway route in Kent, England, linking the port town of Dover with the seaside resort of Ramsgate and serving several intermediate communities.
  • C. London Waterloo to Bournemouth
    London Waterloo to Bournemouth is a major intercity rail service in southern England linking central London with the coastal town of Bournemouth.
  • D. Southampton–Portsmouth line
    The Southampton–Portsmouth line is a key railway route on England’s south coast linking the cities of Southampton and Portsmouth and serving numerous intermediate suburban and coastal communities.
  • E. London Waterloo–Exeter
    London Waterloo–Exeter is a key intercity rail route in southern England linking London Waterloo with Exeter via major intermediate towns and cities.
  • 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: London Waterloo to Portsmouth Harbour route
Triple: [Havant railway station, onLine, London Waterloo to Portsmouth Harbour route]
Generated description
The London Waterloo to Portsmouth Harbour route is a major south-western English railway line connecting central London with the naval city of Portsmouth via key intermediate stations such as Havant.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London Waterloo to Portsmouth Harbour route
Target entity description: The London Waterloo to Portsmouth Harbour route is a major south-western English railway line connecting central London with the naval city of Portsmouth via key intermediate stations such as Havant.
  • A. London Paddington–Swansea route
    The London Paddington–Swansea route is a major intercity railway line in Great Britain linking London with South Wales, serving key cities such as Reading, Bristol (via connecting routes), Cardiff, and Swansea.
  • B. Dover–Ramsgate line
    The Dover–Ramsgate line is a coastal railway route in Kent, England, linking the port town of Dover with the seaside resort of Ramsgate and serving several intermediate communities.
  • C. London Waterloo to Bournemouth
    London Waterloo to Bournemouth is a major intercity rail service in southern England linking central London with the coastal town of Bournemouth.
  • D. Southampton–Portsmouth line
    The Southampton–Portsmouth line is a key railway route on England’s south coast linking the cities of Southampton and Portsmouth and serving numerous intermediate suburban and coastal communities.
  • E. London Waterloo–Exeter
    London Waterloo–Exeter is a key intercity rail route in southern England linking London Waterloo with Exeter via major intermediate towns and cities.
  • 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_69b3454965f881908c41190bb22f0e4b completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b351a840248190b88c8a7be9158d25 completed March 12, 2026, 11:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5dbad2f908190b5ee53bc7f2294c9 completed March 14, 2026, 10:05 p.m.
NEDg Description generation batch_69b5dcbd1c588190b060e1b329092fa2 completed March 14, 2026, 10:10 p.m.
NED2 Entity disambiguation (via description) batch_69b5dd25ea088190b55a10e11f5e7e1a completed March 14, 2026, 10:11 p.m.
Created at: March 12, 2026, 11:15 p.m.