Triple

T2294246
Position Surface form Disambiguated ID Type / Status
Subject Trawsfynydd E51573 entity
Predicate hasBodyOfWater P1778 FINISHED
Object Llyn Trawsfynydd
Llyn Trawsfynydd is a large man-made reservoir in Gwynedd, Wales, originally constructed to supply cooling water for the now-decommissioned Trawsfynydd nuclear power station and now used for recreation and fishing.
E271628 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: Llyn Trawsfynydd | Statement: [Trawsfynydd, hasBodyOfWater, Llyn Trawsfynydd]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Llyn Trawsfynydd
Context triple: [Trawsfynydd, hasBodyOfWater, Llyn Trawsfynydd]
  • A. Llyn Tegid
    Llyn Tegid, also known as Bala Lake, is the largest natural lake in Wales, renowned for its scenic beauty and unique aquatic wildlife.
  • B. Llyn Llydaw
    Llyn Llydaw is a glacial lake on the eastern flanks of Snowdon in Snowdonia National Park, Wales, renowned for its scenic mountain setting and association with local legends.
  • C. Llyn Gwynant
    Llyn Gwynant is a scenic lake in the Snowdonia region of North Wales, popular for its surrounding mountain views and outdoor activities such as hiking, kayaking, and camping.
  • D. Llyn Dinas
    Llyn Dinas is a scenic natural lake in the Snowdonia region of North Wales, popular for walking, photography, and its surrounding mountainous landscapes.
  • E. Llyn Arenig Fawr
    Llyn Arenig Fawr is a remote upland lake in Snowdonia, Wales, known for its scenic setting beneath the summit of Arenig Fawr and its use as a reservoir.
  • 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: Llyn Trawsfynydd
Triple: [Trawsfynydd, hasBodyOfWater, Llyn Trawsfynydd]
Generated description
Llyn Trawsfynydd is a large man-made reservoir in Gwynedd, Wales, originally constructed to supply cooling water for the now-decommissioned Trawsfynydd nuclear power station and now used for recreation and fishing.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Llyn Trawsfynydd
Target entity description: Llyn Trawsfynydd is a large man-made reservoir in Gwynedd, Wales, originally constructed to supply cooling water for the now-decommissioned Trawsfynydd nuclear power station and now used for recreation and fishing.
  • A. Llyn Tegid
    Llyn Tegid, also known as Bala Lake, is the largest natural lake in Wales, renowned for its scenic beauty and unique aquatic wildlife.
  • B. Llyn Llydaw
    Llyn Llydaw is a glacial lake on the eastern flanks of Snowdon in Snowdonia National Park, Wales, renowned for its scenic mountain setting and association with local legends.
  • C. Llyn Gwynant
    Llyn Gwynant is a scenic lake in the Snowdonia region of North Wales, popular for its surrounding mountain views and outdoor activities such as hiking, kayaking, and camping.
  • D. Llyn Dinas
    Llyn Dinas is a scenic natural lake in the Snowdonia region of North Wales, popular for walking, photography, and its surrounding mountainous landscapes.
  • E. Llyn Arenig Fawr
    Llyn Arenig Fawr is a remote upland lake in Snowdonia, Wales, known for its scenic setting beneath the summit of Arenig Fawr and its use as a reservoir.
  • 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_69a88b09c644819090b503456d96bf70 completed March 4, 2026, 7:42 p.m.
NER Named-entity recognition batch_69abc5da667881909186adf23a2bd45b completed March 7, 2026, 6:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69af1f76bb60819084cac16bce2ce55d completed March 9, 2026, 7:28 p.m.
NEDg Description generation batch_69af200e2db4819085851a45213edc89 completed March 9, 2026, 7:31 p.m.
NED2 Entity disambiguation (via description) batch_69af208dfab081909d706aad8ff5f615 completed March 9, 2026, 7:33 p.m.
Created at: March 4, 2026, 7:49 p.m.