Triple

T6451914
Position Surface form Disambiguated ID Type / Status
Subject Lampeter E139886 entity
Predicate formerRailwayStationOn P28717 FINISHED
Object Carmarthen–Aberystwyth line E91422 NE FINISHED

How this triple was built (3 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: Carmarthen–Aberystwyth line | Statement: [Lampeter, formerRailwayStationOn, Carmarthen–Aberystwyth line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Carmarthen–Aberystwyth line
Context triple: [Lampeter, formerRailwayStationOn, Carmarthen–Aberystwyth line]
  • A. Shrewsbury–Aberystwyth line
    The Shrewsbury–Aberystwyth line is a rural railway route in Wales that connects the English border town of Shrewsbury with the coastal town of Aberystwyth, forming the eastern section of the Cambrian Line.
  • B. West Wales Line chosen
    The West Wales Line is a railway route in southwest Wales that links the South Wales rail network to coastal towns such as Carmarthen, Milford Haven, and Fishguard.
  • C. Cynwyd Line
    The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
  • D. Merthyr Line
    The Merthyr Line is a commuter rail route in South Wales that connects Cardiff with Merthyr Tydfil and surrounding Valleys communities.
  • E. Vale of Glamorgan Line
    The Vale of Glamorgan Line is a railway route in South Wales that connects Cardiff with coastal towns such as Barry and Bridgend, serving both commuter and regional passenger traffic.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: formerRailwayStationOn
Context triple: [Lampeter, formerRailwayStationOn, Carmarthen–Aberystwyth line]
  • A. formerRailwayStation chosen
    Indicates that a location previously functioned as a railway station but is no longer in active railway service.
  • B. hasRailwayStation
    Indicates that a place or location is served by, or contains, a railway station.
  • C. railwayStationFor
    Indicates a relationship where a railway station serves, is designated for, or primarily associated with a particular place, line, or service.
  • D. formerRailwayLine
    Indicates that a railway line previously existed in the past but is no longer in operation or has been decommissioned.
  • E. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • F. None of above.

Provenance (4 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_69c008b301948190a35854e5284dc822 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c069b62cbc81908b7f1a0dc1ed3e1d completed March 22, 2026, 10:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69c64bd671d08190a24e8d666040bcc2 completed March 27, 2026, 9:20 a.m.
PD Predicate disambiguation batch_69c0673b44148190aed70084f0ff4992 completed March 22, 2026, 10:03 p.m.
Created at: March 22, 2026, 4:47 p.m.