Triple

T18638373
Position Surface form Disambiguated ID Type / Status
Subject Southampton–Bournemouth line E455615 entity
Predicate formsPartOfCorridor P2566 FINISHED
Object London Waterloo–Weymouth route
The London Waterloo–Weymouth route is a major south-western English railway corridor linking central London with coastal destinations in Dorset via key intermediate towns and cities.
E1335459 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–Weymouth route | Statement: [Southampton–Bournemouth line, formsPartOfCorridor, London Waterloo–Weymouth route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Waterloo–Weymouth route
Context triple: [Southampton–Bournemouth line, formsPartOfCorridor, London Waterloo–Weymouth 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. Cambridge–Brighton route
    The Cambridge–Brighton route is a cross-London commuter and regional rail service linking Cambridge in the north with Brighton on the south coast via central London.
  • C. Bristol Temple Meads – Severn Beach route
    The Bristol Temple Meads – Severn Beach route is a local rail service in the Bristol area that links the city’s main station with suburban and coastal communities along the Severn Estuary.
  • D. A3 London–Portsmouth route
    The A3 London–Portsmouth route is a major trunk road in southern England linking the capital with the port city of Portsmouth.
  • E. Plymouth Line
    The Plymouth Line is a commuter rail route in Massachusetts that connects Boston with the town of Plymouth as part of the MBTA’s Old Colony Lines network.
  • 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–Weymouth route
Triple: [Southampton–Bournemouth line, formsPartOfCorridor, London Waterloo–Weymouth route]
Generated description
The London Waterloo–Weymouth route is a major south-western English railway corridor linking central London with coastal destinations in Dorset via key intermediate towns and cities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London Waterloo–Weymouth route
Target entity description: The London Waterloo–Weymouth route is a major south-western English railway corridor linking central London with coastal destinations in Dorset via key intermediate towns and cities.
  • 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. Cambridge–Brighton route
    The Cambridge–Brighton route is a cross-London commuter and regional rail service linking Cambridge in the north with Brighton on the south coast via central London.
  • C. Bristol Temple Meads – Severn Beach route
    The Bristol Temple Meads – Severn Beach route is a local rail service in the Bristol area that links the city’s main station with suburban and coastal communities along the Severn Estuary.
  • D. A3 London–Portsmouth route
    The A3 London–Portsmouth route is a major trunk road in southern England linking the capital with the port city of Portsmouth.
  • E. Plymouth Line
    The Plymouth Line is a commuter rail route in Massachusetts that connects Boston with the town of Plymouth as part of the MBTA’s Old Colony Lines network.
  • 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_69d8d38cc7948190a55ea64e5638994e completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e54fcac2d48190a15ce8cc8e175198 completed April 19, 2026, 9:57 p.m.
NED1 Entity disambiguation (via context triple) batch_6a050d822f0c8190988c9116cb7e3788 completed May 13, 2026, 11:47 p.m.
NEDg Description generation batch_6a0512c6433c81908d3d82f330276c2a completed May 14, 2026, 12:09 a.m.
NED2 Entity disambiguation (via description) batch_6a05146f88cc8190bd2c91b966e24725 completed May 14, 2026, 12:16 a.m.
Created at: April 10, 2026, 11:47 a.m.