Triple

T7302095
Position Surface form Disambiguated ID Type / Status
Subject City Thameslink E167881 entity
Predicate locatedOn P40 FINISHED
Object Midland Main Line (core Thameslink section) E630535 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: Midland Main Line (core Thameslink section) | Statement: [City Thameslink, locatedOn, Midland Main Line (core Thameslink section)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Midland Main Line (core Thameslink section)
Context triple: [City Thameslink, locatedOn, Midland Main Line (core Thameslink section)]
  • A. Midland Main Line (southern section via Thameslink) chosen
    Midland Main Line (southern section via Thameslink) is the portion of the Midland Main Line that runs through central London via the Thameslink core, providing cross-London commuter and regional rail services.
  • 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. Chiltern Main Line
    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.
  • D. 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.
  • E. 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.
  • 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_69c6888c820881909fc68f689fe1c251 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6ebb09164819099c4479d48c1688a completed March 27, 2026, 8:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7e558098c819091562566c59332e2 completed March 28, 2026, 2:27 p.m.
Created at: March 27, 2026, 3:01 p.m.