Triple

T7718723
Position Surface form Disambiguated ID Type / Status
Subject Black Mountain (Brecon Beacons) E174952 entity
Predicate contains P35 FINISHED
Object Llyn y Fan Fach
Llyn y Fan Fach is a remote glacial lake in the Brecon Beacons National Park in Wales, famed for its dramatic mountain backdrop and the Welsh legend of the Lady of the Lake.
E684416 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 y Fan Fach | Statement: [Black Mountain (Brecon Beacons), contains, Llyn y Fan Fach]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Llyn y Fan Fach
Context triple: [Black Mountain (Brecon Beacons), contains, Llyn y Fan Fach]
  • A. 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.
  • B. Llyn Hywel
    Llyn Hywel is a remote mountain lake in the Rhinogydd range of Snowdonia, Wales, known for its dramatic rocky surroundings and scenic views.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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 y Fan Fach
Triple: [Black Mountain (Brecon Beacons), contains, Llyn y Fan Fach]
Generated description
Llyn y Fan Fach is a remote glacial lake in the Brecon Beacons National Park in Wales, famed for its dramatic mountain backdrop and the Welsh legend of the Lady of the Lake.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Llyn y Fan Fach
Target entity description: Llyn y Fan Fach is a remote glacial lake in the Brecon Beacons National Park in Wales, famed for its dramatic mountain backdrop and the Welsh legend of the Lady of the Lake.
  • A. 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.
  • B. Llyn Hywel
    Llyn Hywel is a remote mountain lake in the Rhinogydd range of Snowdonia, Wales, known for its dramatic rocky surroundings and scenic views.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69c6995c463c8190a14458036249d419 completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c702ebb7448190ae8d47fe0cbb0907 completed March 27, 2026, 10:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8b510650481908d65838108a2d632 completed March 29, 2026, 5:13 a.m.
NEDg Description generation batch_69c8b6bfb96881908d0e82d3efa1e6e2 completed March 29, 2026, 5:21 a.m.
NED2 Entity disambiguation (via description) batch_69c8b7359cf48190b48782e2eabd5e6d completed March 29, 2026, 5:23 a.m.
Created at: March 27, 2026, 4:05 p.m.