Triple

T7403892
Position Surface form Disambiguated ID Type / Status
Subject Cardiff Bay railway station E170817 entity
Predicate railLine P848 FINISHED
Object Butetown branch line
The Butetown branch line is a short railway branch in Cardiff, Wales, connecting the city’s main rail network to the Cardiff Bay area.
E662312 NE FINISHED

How this triple was built (4 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: Butetown branch line | Statement: [Cardiff Bay railway station, railLine, Butetown branch line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Butetown branch line
Context triple: [Cardiff Bay railway station, railLine, Butetown branch line]
  • A. Rhondda Line
    The Rhondda Line is a commuter rail route in South Wales that runs through the Rhondda Valleys, connecting local communities with larger hubs such as Pontypridd and Cardiff.
  • B. Shotts Line
    The Shotts Line is a railway route in Scotland that connects Glasgow and Edinburgh via Shotts, serving towns and communities across North Lanarkshire and West Lothian.
  • C. Glasgow South Western Line
    The Glasgow South Western Line is a major railway route in southwest Scotland connecting Glasgow with towns such as Kilmarnock, Dumfries and Carlisle.
  • D. Ebbw Vale line
    The Ebbw Vale line is a railway route in South Wales that connects Ebbw Vale with larger towns and cities, providing both commuter and regional passenger services.
  • E. Maesteg Line
    The Maesteg Line is a commuter rail route in South Wales connecting Maesteg with larger hubs such as Cardiff via Bridgend.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Butetown branch line
Triple: [Cardiff Bay railway station, railLine, Butetown branch line]
Generated description
The Butetown branch line is a short railway branch in Cardiff, Wales, connecting the city’s main rail network to the Cardiff Bay area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Butetown branch line
Target entity description: The Butetown branch line is a short railway branch in Cardiff, Wales, connecting the city’s main rail network to the Cardiff Bay area.
  • A. Rhondda Line
    The Rhondda Line is a commuter rail route in South Wales that runs through the Rhondda Valleys, connecting local communities with larger hubs such as Pontypridd and Cardiff.
  • B. Shotts Line
    The Shotts Line is a railway route in Scotland that connects Glasgow and Edinburgh via Shotts, serving towns and communities across North Lanarkshire and West Lothian.
  • C. Glasgow South Western Line
    The Glasgow South Western Line is a major railway route in southwest Scotland connecting Glasgow with towns such as Kilmarnock, Dumfries and Carlisle.
  • D. Ebbw Vale line
    The Ebbw Vale line is a railway route in South Wales that connects Ebbw Vale with larger towns and cities, providing both commuter and regional passenger services.
  • E. Maesteg Line
    The Maesteg Line is a commuter rail route in South Wales connecting Maesteg with larger hubs such as Cardiff via Bridgend.
  • F. None of above. chosen

Provenance (5 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_69c68a6010108190925e5284de022660 completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f2701b108190be39174d4534f231 completed March 27, 2026, 9:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8111540f08190919bc9d9670f5ef2 completed March 28, 2026, 5:34 p.m.
NEDg Description generation batch_69c811c9c5e48190a610d890780c7aa4 completed March 28, 2026, 5:37 p.m.
NED2 Entity disambiguation (via description) batch_69c8128e49948190822787e76b1663a6 completed March 28, 2026, 5:40 p.m.
Created at: March 27, 2026, 3:10 p.m.