Triple

T2156822
Position Surface form Disambiguated ID Type / Status
Subject Llyn Tegid E47907 entity
Predicate inflow P415 FINISHED
Object Afon Tryweryn
Afon Tryweryn is a river in North Wales known for its white-water rapids and the controversial flooding of the village of Capel Celyn to create the Tryweryn Reservoir.
 E270782 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: Afon Tryweryn | Statement: [Llyn Tegid, inflow, Afon Tryweryn]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Afon Tryweryn
Context triple: [Llyn Tegid, inflow, Afon Tryweryn]
  • A. Afon Llwyd
    Afon Llwyd is a river in southeast Wales that flows through Torfaen, including the town of Cwmbran, before joining the River Usk.
  • B. 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.
  • C. 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.
  • D. River Teifi
    The River Teifi is a major river in west Wales known for its scenic valley, rich wildlife, and traditional coracle fishing.
  • E. River Dwyryd
    River Dwyryd is a river in Gwynedd, Wales, that flows through Snowdonia to reach the estuary near Porthmadog on the west coast.
  • 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: Afon Tryweryn
Triple: [Llyn Tegid, inflow, Afon Tryweryn]
Generated description
Afon Tryweryn is a river in North Wales known for its white-water rapids and the controversial flooding of the village of Capel Celyn to create the Tryweryn Reservoir.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Afon Tryweryn
Target entity description: Afon Tryweryn is a river in North Wales known for its white-water rapids and the controversial flooding of the village of Capel Celyn to create the Tryweryn Reservoir.
  • A. Afon Llwyd
    Afon Llwyd is a river in southeast Wales that flows through Torfaen, including the town of Cwmbran, before joining the River Usk.
  • B. 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.
  • C. 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.
  • D. River Teifi
    The River Teifi is a major river in west Wales known for its scenic valley, rich wildlife, and traditional coracle fishing.
  • E. River Dwyryd
    River Dwyryd is a river in Gwynedd, Wales, that flows through Snowdonia to reach the estuary near Porthmadog on the west coast.
  • 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_69a88a1d1fd8819088b34990d69a712f completed March 4, 2026, 7:38 p.m.
NER Named-entity recognition batch_69abbe67d6888190b8d3c07527c8f80e completed March 7, 2026, 5:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69af175e79d881909390ae71cceb6db2 completed March 9, 2026, 6:54 p.m.
NEDg Description generation batch_69af1b5f8e44819097badddecc0b503c completed March 9, 2026, 7:11 p.m.
NED2 Entity disambiguation (via description) batch_69af1bc06a248190a688d32e1e62c764 completed March 9, 2026, 7:13 p.m.
Created at: March 4, 2026, 7:44 p.m.