Triple

T6339210
Position Surface form Disambiguated ID Type / Status
Subject River Cherwell E142578 entity
Predicate nearbyTransport P5822 FINISHED
Object Chiltern Main Line railway (in sections) E200087 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: Chiltern Main Line railway (in sections) | Statement: [River Cherwell, nearbyTransport, Chiltern Main Line railway (in sections)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chiltern Main Line railway (in sections)
Context triple: [River Cherwell, nearbyTransport, Chiltern Main Line railway (in sections)]
  • A. Chiltern Main Line chosen
    The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
  • B. Oxford–Bicester line
    The Oxford–Bicester line is a railway route in Oxfordshire, England, connecting Oxford with the town of Bicester as part of the regional and commuter rail network.
  • C. Wessex Main Line
    The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
  • D. London and North Western Railway main line
    The London and North Western Railway main line was a major 19th- and early 20th-century British railway route that formed the core north–south trunk line linking London with the Midlands, northwest England, and Scotland.
  • E. Waterloo to Southampton main line
    The Waterloo to Southampton main line is a key railway route in southern England linking London Waterloo with the port city of Southampton, serving major commuter and intercity traffic.
  • 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_69c008d5ab108190b346c465696824a9 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0654fb774819087bffb8b966a790a completed March 22, 2026, 9:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69c604352f148190b5accc28462256ad completed March 27, 2026, 4:14 a.m.
Created at: March 22, 2026, 4:30 p.m.