Triple

T11038637
Position Surface form Disambiguated ID Type / Status
Subject Llyn Celyn E260949 entity
Predicate locatedIn P40 FINISHED
Object Tryweryn Valley
Tryweryn Valley is a valley in North Wales best known as the site of the controversial flooding of the village of Capel Celyn in the 1960s to create a reservoir supplying water to Liverpool.
 E890903 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: Tryweryn Valley | Statement: [Llyn Celyn, locatedIn, Tryweryn Valley]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tryweryn Valley
Context triple: [Llyn Celyn, locatedIn, Tryweryn Valley]
  • A. Lledr Valley
    Lledr Valley is a scenic river valley in Snowdonia, North Wales, known for its rugged landscapes, woodlands, and historic sites.
  • B. Taf Fawr valley
    Taf Fawr valley is a river valley in the Brecon Beacons area of South Wales, shaped by the course of the Taf Fawr and known for its upland scenery and reservoirs.
  • C. Vyrnwy valley
    Vyrnwy valley is a scenic river valley in Powys, Wales, known for its rural landscapes, historic villages, and proximity to Lake Vyrnwy.
  • D. Llynfi Valley
    Llynfi Valley is a Welsh valley community in the historic coal-mining region of the South Wales Valleys.
  • E. Garw Valley
    Garw Valley is a scenic valley and community in South Wales known for its former coal-mining villages, walking trails, and surrounding upland landscapes.
  • 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: Tryweryn Valley
Triple: [Llyn Celyn, locatedIn, Tryweryn Valley]
Generated description
Tryweryn Valley is a valley in North Wales best known as the site of the controversial flooding of the village of Capel Celyn in the 1960s to create a reservoir supplying water to Liverpool.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tryweryn Valley
Target entity description: Tryweryn Valley is a valley in North Wales best known as the site of the controversial flooding of the village of Capel Celyn in the 1960s to create a reservoir supplying water to Liverpool.
  • A. Lledr Valley
    Lledr Valley is a scenic river valley in Snowdonia, North Wales, known for its rugged landscapes, woodlands, and historic sites.
  • B. Taf Fawr valley
    Taf Fawr valley is a river valley in the Brecon Beacons area of South Wales, shaped by the course of the Taf Fawr and known for its upland scenery and reservoirs.
  • C. Vyrnwy valley chosen
    Vyrnwy valley is a scenic river valley in Powys, Wales, known for its rural landscapes, historic villages, and proximity to Lake Vyrnwy.
  • D. Llynfi Valley
    Llynfi Valley is a Welsh valley community in the historic coal-mining region of the South Wales Valleys.
  • E. Garw Valley
    Garw Valley is a scenic valley and community in South Wales known for its former coal-mining villages, walking trails, and surrounding upland landscapes.
  • F. None of above.

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_69d6aa979bdc8190bf0e79104cc098c1 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d797fe93b081909d58bfd4b42715f0 completed April 9, 2026, 12:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69e3c846d9f08190943d457ff6da6a9f completed April 18, 2026, 6:07 p.m.
NEDg Description generation batch_69e3cadf271081908d2b794a4288892a completed April 18, 2026, 6:18 p.m.
NED2 Entity disambiguation (via description) batch_69e3cf08cf108190966b4abd0514a6ea completed April 18, 2026, 6:35 p.m.
Created at: April 8, 2026, 9:26 p.m.