Triple

T15306775
Position Surface form Disambiguated ID Type / Status
Subject Welwyn Garden City railway station E365919 entity
Predicate servedByRoute P31354 FINISHED
Object Welwyn Garden City – Peterborough E484531 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: Welwyn Garden City – Peterborough | Statement: [Welwyn Garden City railway station, servedByRoute, Welwyn Garden City – Peterborough]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Welwyn Garden City – Peterborough
Context triple: [Welwyn Garden City railway station, servedByRoute, Welwyn Garden City – Peterborough]
  • A. Peterborough–Horsham route
    The Peterborough–Horsham route is a north–south commuter rail service in southern England linking Peterborough in Cambridgeshire with Horsham in West Sussex via central London.
  • B. Hertford and Stortford
    Hertford and Stortford is a UK parliamentary constituency in Hertfordshire, represented in the House of Commons.
  • C. Moorgate to Welwyn Garden City chosen
    Moorgate to Welwyn Garden City is a suburban commuter rail service in Hertfordshire and north London, forming part of the Great Northern network into central London.
  • D. Hertford Loop Line
    The Hertford Loop Line is a suburban railway route in Hertfordshire and north London that provides an alternative path to the East Coast Main Line, linking London with Hertford and intermediate commuter towns.
  • E. London–Colchester line
    The London–Colchester line is a key commuter and intercity railway route in eastern England linking London with the town of Colchester and serving as part of the main rail corridor toward East Anglia.
  • 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_69d85a113ee881908e297a1d38dd79fa completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03cd001b48190bbdd69337efdb907 completed April 16, 2026, 1:35 a.m.
NED1 Entity disambiguation (via context triple) batch_69fef89feda88190b18f6a03d6e968aa completed May 9, 2026, 9:04 a.m.
Created at: April 10, 2026, 3:16 a.m.