Triple

T23323378
Position Surface form Disambiguated ID Type / Status
Subject Harwich Town railway station E591218 entity
Predicate locatedOn P40 FINISHED
Object Harwich branch line — NE NERFINISHED

How this triple was built (3 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: Harwich branch line | Statement: [Harwich Town railway station, locatedOn, Harwich branch line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harwich branch line
Context triple: [Harwich Town railway station, locatedOn, Harwich branch line]
  • A. Felixstowe Branch Line
    The Felixstowe Branch Line is a railway line in Suffolk, England, connecting the town and port of Felixstowe with the Great Eastern Main Line near Ipswich, serving both passenger and significant freight traffic.
  • B. Seaford Branch Line
    The Seaford Branch Line is a suburban railway route in East Sussex, England, connecting the coastal town of Seaford with the mainline rail network.
  • C. Hayling Island Branch Line
    The Hayling Island Branch Line was a former railway line in Hampshire, England, that connected the mainland to Hayling Island and was known for its scenic coastal route and use of lightweight steam locomotives.
  • D. Ipswich–Lowestoft line
    The Ipswich–Lowestoft line is a regional railway route in Suffolk, England, connecting the town of Ipswich with the coastal resort of Lowestoft and serving intermediate communities along the way.
  • E. Norwich–Lowestoft line
    The Norwich–Lowestoft line is a regional railway route in East Anglia, England, connecting the city of Norwich with the coastal town of Lowestoft and serving communities across Norfolk and Suffolk.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Harwich branch line
Target entity description: The Harwich branch line is a railway route in Essex, England, connecting the town of Harwich and its port facilities to the wider British rail network.
  • A. Felixstowe Branch Line
    The Felixstowe Branch Line is a railway line in Suffolk, England, connecting the town and port of Felixstowe with the Great Eastern Main Line near Ipswich, serving both passenger and significant freight traffic.
  • B. Seaford Branch Line
    The Seaford Branch Line is a suburban railway route in East Sussex, England, connecting the coastal town of Seaford with the mainline rail network.
  • C. Hayling Island Branch Line
    The Hayling Island Branch Line was a former railway line in Hampshire, England, that connected the mainland to Hayling Island and was known for its scenic coastal route and use of lightweight steam locomotives.
  • D. Ipswich–Lowestoft line
    The Ipswich–Lowestoft line is a regional railway route in Suffolk, England, connecting the town of Ipswich with the coastal resort of Lowestoft and serving intermediate communities along the way.
  • E. Norwich–Lowestoft line
    The Norwich–Lowestoft line is a regional railway route in East Anglia, England, connecting the city of Norwich with the coastal town of Lowestoft and serving communities across Norfolk and Suffolk.
  • F. None of above. chosen

Provenance (2 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_69e25d1effe4819096907f95f610dbff completed April 17, 2026, 4:17 p.m.
NER Named-entity recognition batch_69f1978731b0819090f92ef768f2a749 completed April 29, 2026, 5:30 a.m.
Created at: April 17, 2026, 5:07 p.m.