Triple

T17532029
Position Surface form Disambiguated ID Type / Status
Subject Meldon Viaduct E426958 entity
Predicate railwayLine P848 FINISHED
Object London and South Western Railway main line to Plymouth NE NERFINISHED

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: London and South Western Railway main line to Plymouth | Statement: [Meldon Viaduct, railwayLine, London and South Western Railway main line to Plymouth]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London and South Western Railway main line to Plymouth
Context triple: [Meldon Viaduct, railwayLine, London and South Western Railway main line to Plymouth]
  • A. Exeter to Plymouth line chosen
    The Exeter to Plymouth line is a major railway route in Devon, England, linking the city of Exeter with Plymouth and serving as part of the main line to Cornwall.
  • B. Bristol to Exeter Line
    The Bristol to Exeter Line is a major railway route in southwest England connecting the cities of Bristol and Exeter and serving as an important corridor for regional and long-distance passenger services.
  • C. Exeter to Exmouth line
    The Exeter to Exmouth line is a regional railway route in Devon, England, running along the River Exe to connect the city of Exeter with the seaside town of Exmouth.
  • D. Plymouth to Penzance line
    The Plymouth to Penzance line is a major railway route in southwest England that runs across Devon and Cornwall, connecting the city of Plymouth with the coastal town of Penzance.
  • E. Bristol to Taunton Line
    The Bristol to Taunton Line is a major railway route in South West England that connects the city of Bristol with the town of Taunton, serving intermediate communities such as Bridgwater.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69d889de677081909b22d2657b1f0292 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e453695734819092d4dcbab4a4fa01 completed April 19, 2026, 4 a.m.
Created at: April 10, 2026, 5:49 a.m.