Triple

T4600704
Position Surface form Disambiguated ID Type / Status
Subject Southampton Central railway station E100311 entity
Predicate railwayLine P848 FINISHED
Object Southampton–Portsmouth line E350404 NE FINISHED

How this triple was built (2 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: [Southampton Central railway station, railwayLine, Southampton–Portsmouth line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Southampton–Portsmouth line
Context triple: [Southampton Central railway station, railwayLine, Southampton–Portsmouth line]
  • A. Southampton–Portsmouth line chosen
    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.
  • B. Southampton–Bournemouth line
    The Southampton–Bournemouth line is a key railway route on England’s south coast linking the cities of Southampton and Bournemouth and forming part of the wider South West Main Line network.
  • C. Brighton to Portsmouth line
    The Brighton to Portsmouth line is a coastal railway route in southern England linking the city of Brighton with Portsmouth via several intermediate towns and stations.
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69bd43cbc014819098b45f435908f88a completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd597346a08190b47eda3b73076f8b completed March 20, 2026, 2:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69be0349e89c8190a94e72bdc1e4e59f completed March 21, 2026, 2:32 a.m.
Created at: March 20, 2026, 1:11 p.m.