Triple

T4156259
Position Surface form Disambiguated ID Type / Status
Subject Swansea railway station E91421 entity
Predicate lineTerminusOf P46766 FINISHED
Object South Wales Main Line E16146 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: South Wales Main Line | Statement: [Swansea railway station, lineTerminusOf, South Wales Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South Wales Main Line
Context triple: [Swansea railway station, lineTerminusOf, South Wales Main Line]
  • A. South Wales Main Line chosen
    The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
  • B. 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.
  • C. South Wales Railway
    The South Wales Railway was a 19th-century railway company that built and operated the main line linking Gloucester and later London with key industrial and port cities across South Wales.
  • D. 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.
  • E. Merthyr Line
    The Merthyr Line is a commuter rail route in South Wales that connects Cardiff with Merthyr Tydfil and surrounding Valleys communities.
  • 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: lineTerminusOf
Context triple: [Swansea railway station, lineTerminusOf, South Wales Main Line]
  • A. lineTerminusFor chosen
    Indicates that one entity serves as an endpoint or terminus of a particular line or linear feature represented by another entity.
  • B. lineTerminusDirection
    Indicates the directional orientation or bearing at which a line segment or route terminates at its endpoint.
  • C. lastPrintableCharacter
    Indicates that one character is the final non-whitespace (or otherwise displayable) character in a given sequence or string.
  • D. line6Terminus
    Indicates the station or location where transit line 6 ends its route or service.
  • E. locatedAtTerminusOf
    Indicates that one entity is situated at the end point or final terminus of another entity, such as a route, line, or path.
  • 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_69aed9626ebc8190a39de631788bea3e completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af0321eee88190871c1d4bf44a5007 completed March 9, 2026, 5:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69b589e9ff288190a8dfb62d32a330b5 completed March 14, 2026, 4:16 p.m.
PD Predicate disambiguation batch_69af018dc90c8190a754b1bfbc802e80 completed March 9, 2026, 5:21 p.m.
Created at: March 9, 2026, 3:44 p.m.