Triple

T2013034
Position Surface form Disambiguated ID Type / Status
Subject Plynlimon E43731 entity
Predicate sourceOf P409 FINISHED
Object River Rheidol
The River Rheidol is a river in Ceredigion, Wales, known for flowing through steep wooded valleys to the coastal town of Aberystwyth and lending its name to the historic Vale of Rheidol Railway.
 E235113 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: River Rheidol | Statement: [Plynlimon, sourceOf, River Rheidol]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: River Rheidol
Context triple: [Plynlimon, sourceOf, River Rheidol]
  • A. River Dwyryd
    River Dwyryd is a river in Gwynedd, Wales, that flows through Snowdonia to reach the estuary near Porthmadog on the west coast.
  • B. River Dyfi
    The River Dyfi is a river in mid Wales that flows from the Cambrian Mountains to Cardigan Bay, forming part of the boundary between the historic counties of Montgomeryshire and Merionethshire.
  • C. Afon Llwyd
    Afon Llwyd is a river in southeast Wales that flows through Torfaen, including the town of Cwmbran, before joining the River Usk.
  • D. River Afan
    River Afan is a river in South Wales that flows through the town of Port Talbot before reaching Swansea Bay.
  • E. River Tywi
    River Tywi is the longest river entirely in Wales, known for flowing through Carmarthenshire’s rural landscapes before reaching the sea at Carmarthen Bay.
  • 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: River Rheidol
Triple: [Plynlimon, sourceOf, River Rheidol]
Generated description
The River Rheidol is a river in Ceredigion, Wales, known for flowing through steep wooded valleys to the coastal town of Aberystwyth and lending its name to the historic Vale of Rheidol Railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: River Rheidol
Target entity description: The River Rheidol is a river in Ceredigion, Wales, known for flowing through steep wooded valleys to the coastal town of Aberystwyth and lending its name to the historic Vale of Rheidol Railway.
  • A. River Dwyryd
    River Dwyryd is a river in Gwynedd, Wales, that flows through Snowdonia to reach the estuary near Porthmadog on the west coast.
  • B. River Dyfi
    The River Dyfi is a river in mid Wales that flows from the Cambrian Mountains to Cardigan Bay, forming part of the boundary between the historic counties of Montgomeryshire and Merionethshire.
  • C. Afon Llwyd
    Afon Llwyd is a river in southeast Wales that flows through Torfaen, including the town of Cwmbran, before joining the River Usk.
  • D. River Afan
    River Afan is a river in South Wales that flows through the town of Port Talbot before reaching Swansea Bay.
  • E. River Tywi
    River Tywi is the longest river entirely in Wales, known for flowing through Carmarthenshire’s rural landscapes before reaching the sea at Carmarthen Bay.
  • 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_69a88716e9f08190946313fdc949e3cf completed March 4, 2026, 7:25 p.m.
NER Named-entity recognition batch_69abb8b2ed6c8190ad51f0af90db2a02 completed March 7, 2026, 5:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae304aa0888190a725234d8e527ac5 completed March 9, 2026, 2:28 a.m.
NEDg Description generation batch_69ae3197794c81908530b26fcb8a4a77 completed March 9, 2026, 2:33 a.m.
NED2 Entity disambiguation (via description) batch_69ae31f65444819090c2af22c21ec3e1 completed March 9, 2026, 2:35 a.m.
Created at: March 4, 2026, 7:37 p.m.