Triple

T9665250
Position Surface form Disambiguated ID Type / Status
Subject Dovey Junction E233685 entity
Predicate branchPointOf P41494 FINISHED
Object Cambrian Coast Line to Pwllheli
The Cambrian Coast Line to Pwllheli is a scenic railway route in Wales that runs along the Cardigan Bay coastline, serving rural communities and popular seaside destinations on the Llŷn Peninsula.
E814596 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: Cambrian Coast Line to Pwllheli | Statement: [Dovey Junction, branchPointOf, Cambrian Coast Line to Pwllheli]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cambrian Coast Line to Pwllheli
Context triple: [Dovey Junction, branchPointOf, Cambrian Coast Line to Pwllheli]
  • A. North Wales Coast Line
    The North Wales Coast Line is a major railway route in Wales that runs along the north coast, connecting key towns and cities such as Chester, Llandudno Junction, Bangor, and Holyhead.
  • B. Conwy Valley Line
    The Conwy Valley Line is a scenic railway route in North Wales that runs through the Conwy Valley from the coast into the Snowdonia National Park.
  • 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. Maesteg Line
    The Maesteg Line is a commuter rail route in South Wales connecting Maesteg with larger hubs such as Cardiff via Bridgend.
  • E. Cumbrian Coast Line
    The Cumbrian Coast Line is a scenic railway route in northwest England that runs along the coastline of Cumbria, linking coastal towns and industrial areas with the wider rail network.
  • 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: Cambrian Coast Line to Pwllheli
Triple: [Dovey Junction, branchPointOf, Cambrian Coast Line to Pwllheli]
Generated description
The Cambrian Coast Line to Pwllheli is a scenic railway route in Wales that runs along the Cardigan Bay coastline, serving rural communities and popular seaside destinations on the Llŷn Peninsula.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cambrian Coast Line to Pwllheli
Target entity description: The Cambrian Coast Line to Pwllheli is a scenic railway route in Wales that runs along the Cardigan Bay coastline, serving rural communities and popular seaside destinations on the Llŷn Peninsula.
  • A. North Wales Coast Line
    The North Wales Coast Line is a major railway route in Wales that runs along the north coast, connecting key towns and cities such as Chester, Llandudno Junction, Bangor, and Holyhead.
  • B. Conwy Valley Line
    The Conwy Valley Line is a scenic railway route in North Wales that runs through the Conwy Valley from the coast into the Snowdonia National Park.
  • 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. Maesteg Line
    The Maesteg Line is a commuter rail route in South Wales connecting Maesteg with larger hubs such as Cardiff via Bridgend.
  • E. Cumbrian Coast Line
    The Cumbrian Coast Line is a scenic railway route in northwest England that runs along the coastline of Cumbria, linking coastal towns and industrial areas with the wider rail network.
  • 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_69ca848d3b6c8190ae98ea554dea58df completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9c38f65c8190a0ed20830249a0f1 completed April 1, 2026, 10:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69d190f691c8819093fe133bdbe1c9d1 completed April 4, 2026, 10:30 p.m.
NEDg Description generation batch_69d1919b536481908fe80426c9aa6443 completed April 4, 2026, 10:32 p.m.
NED2 Entity disambiguation (via description) batch_69d191ca17b8819097750a7b638aee72 completed April 4, 2026, 10:33 p.m.
Created at: March 30, 2026, 8:14 p.m.