Triple

T3346645
Position Surface form Disambiguated ID Type / Status
Subject Woolston, Southampton E70389 entity
Predicate railwayLine P848 FINISHED
Object 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.
E350404 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: Southampton–Portsmouth line | Statement: [Woolston, Southampton, railwayLine, Southampton–Portsmouth line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southampton–Portsmouth line
Context triple: [Woolston, Southampton, railwayLine, Southampton–Portsmouth line]
  • A. 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.
  • B. Bristol–Bath line
    The Bristol–Bath line is a key railway route in southwest England that connects the cities of Bristol and Bath, forming part of the Great Western Main Line network.
  • C. Kent Coast Line
    The Kent Coast Line is a railway route in Kent, England, running along the county’s eastern and southern coasts and linking coastal towns such as Sandwich with larger regional hubs.
  • D. Cardiff to Portsmouth Line
    The Cardiff to Portsmouth Line is a major cross-country railway route in the United Kingdom linking South Wales with the south coast of England via cities such as Bristol and Southampton.
  • E. East Coast Main Line
    The East Coast Main Line is a major high-speed railway route in the United Kingdom that runs between London and Edinburgh, serving numerous key cities and regions along the east side of the country.
  • 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: Southampton–Portsmouth line
Triple: [Woolston, Southampton, railwayLine, Southampton–Portsmouth line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Southampton–Portsmouth line
Target entity description: 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.
  • A. 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.
  • B. Bristol–Bath line
    The Bristol–Bath line is a key railway route in southwest England that connects the cities of Bristol and Bath, forming part of the Great Western Main Line network.
  • C. Kent Coast Line
    The Kent Coast Line is a railway route in Kent, England, running along the county’s eastern and southern coasts and linking coastal towns such as Sandwich with larger regional hubs.
  • D. Cardiff to Portsmouth Line
    The Cardiff to Portsmouth Line is a major cross-country railway route in the United Kingdom linking South Wales with the south coast of England via cities such as Bristol and Southampton.
  • E. East Coast Main Line
    The East Coast Main Line is a major high-speed railway route in the United Kingdom that runs between London and Edinburgh, serving numerous key cities and regions along the east side of the country.
  • 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_69ad85a405e48190b6e68de7cf9f319e completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb1f4ff888190bf14b9b7fbe9bcee completed March 8, 2026, 5:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69b32522cbc88190b965087a580d7acf completed March 12, 2026, 8:42 p.m.
NEDg Description generation batch_69b325a0de7c8190a33ae611b8450b5a completed March 12, 2026, 8:44 p.m.
NED2 Entity disambiguation (via description) batch_69b326862e848190bf1bea74b6ab0b36 completed March 12, 2026, 8:48 p.m.
Created at: March 8, 2026, 3:12 p.m.