Triple

T4509730
Position Surface form Disambiguated ID Type / Status
Subject London Waterloo–Exeter E102018 entity
Predicate lineUsed P6301 FINISHED
Object West of England Main Line (Basingstoke to Exeter) E283629 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: West of England Main Line (Basingstoke to Exeter) | Statement: [London Waterloo–Exeter, lineUsed, West of England Main Line (Basingstoke to Exeter)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: West of England Main Line (Basingstoke to Exeter)
Context triple: [London Waterloo–Exeter, lineUsed, West of England Main Line (Basingstoke to Exeter)]
  • A. South West Main Line (London Waterloo to Basingstoke)
    The South West Main Line (London Waterloo to Basingstoke) is a key commuter and intercity railway corridor in southern England, linking central London with Hampshire and serving as the first section of the main route toward southwest England.
  • B. 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.
  • C. West of England Main Line chosen
    The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
  • D. 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.
  • E. Berks and Hants Line
    The Berks and Hants Line is a railway route in southern England linking Reading with the West of England, forming part of the Great Western Railway 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_69bd43d6251c81909deecce3e6e9d69c completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd571138b88190b68bbfc4300aaf9d completed March 20, 2026, 2:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69bda42699648190a54e8c474766d29d completed March 20, 2026, 7:46 p.m.
Created at: March 20, 2026, 1:01 p.m.