Triple

T4742827
Position Surface form Disambiguated ID Type / Status
Subject Pontypridd railway station E105286 entity
Predicate railwayLine P848 FINISHED
Object 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.
E475680 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: Rhondda Line | Statement: [Pontypridd railway station, railwayLine, Rhondda Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Rhondda Line
Context triple: [Pontypridd railway station, railwayLine, Rhondda Line]
  • A. Merthyr Line
    The Merthyr Line is a commuter rail route in South Wales that connects Cardiff with Merthyr Tydfil and surrounding Valleys communities.
  • B. Rhymney Line
    The Rhymney Line is a suburban railway route in South Wales that connects Cardiff with the town of Rhymney, forming part of the Valley Lines network.
  • C. Maesteg Line
    The Maesteg Line is a commuter rail route in South Wales connecting Maesteg with larger hubs such as Cardiff via Bridgend.
  • D. South Wales Main Line
    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.
  • 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. 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: Rhondda Line
Triple: [Pontypridd railway station, railwayLine, Rhondda Line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Rhondda Line
Target entity description: 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.
  • A. Merthyr Line
    The Merthyr Line is a commuter rail route in South Wales that connects Cardiff with Merthyr Tydfil and surrounding Valleys communities.
  • B. Rhymney Line
    The Rhymney Line is a suburban railway route in South Wales that connects Cardiff with the town of Rhymney, forming part of the Valley Lines network.
  • C. Maesteg Line
    The Maesteg Line is a commuter rail route in South Wales connecting Maesteg with larger hubs such as Cardiff via Bridgend.
  • D. South Wales Main Line
    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.
  • 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. 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_69bd43ef87a48190a5bc3600711aa032 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd64a85e9c81908e9c7bbbb998953e completed March 20, 2026, 3:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69be67be28308190ae428035647fc227 completed March 21, 2026, 9:41 a.m.
NEDg Description generation batch_69be6854cc84819099f156e2e5f0c542 completed March 21, 2026, 9:43 a.m.
NED2 Entity disambiguation (via description) batch_69be68940bc081908bc50a261610963d completed March 21, 2026, 9:44 a.m.
Created at: March 20, 2026, 1:19 p.m.