Triple

T332973
Position Surface form Disambiguated ID Type / Status
Subject Severn E6663 entity
Predicate sourceLocation P40 FINISHED
Object Plynlimon
Plynlimon is a massif in central Wales known as the mountainous area where several major rivers, including the River Severn, have their headwaters.
 E43731 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: Plynlimon | Statement: [Severn, sourceLocation, Plynlimon]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Plynlimon
Context triple: [Severn, sourceLocation, Plynlimon]
  • A. Penrhyndeudraeth
    Penrhyndeudraeth is a small town in Gwynedd, northwest Wales, known for its scenic setting near the Dwyryd estuary and the Italianate village of Portmeirion.
  • B. Monifieth
    Monifieth is a coastal town in eastern Scotland, situated on the north shore of the Firth of Tay near Dundee.
  • C. Fishguard
    Fishguard is a coastal town in Pembrokeshire, Wales, known as an important ferry port linking Wales and Ireland across the Irish Sea.
  • D. Neath
    Neath is a historic industrial and market town in South Wales, known for its Roman and medieval heritage and its role in the coal and steel industries.
  • E. Mull
    Mull is a large island in the Inner Hebrides of Scotland, known for its rugged coastline, wildlife, and the colorful harbor town of Tobermory.
  • 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: Plynlimon
Triple: [Severn, sourceLocation, Plynlimon]
Generated description
Plynlimon is a massif in central Wales known as the mountainous area where several major rivers, including the River Severn, have their headwaters.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Plynlimon
Target entity description: Plynlimon is a massif in central Wales known as the mountainous area where several major rivers, including the River Severn, have their headwaters.
  • A. Penrhyndeudraeth
    Penrhyndeudraeth is a small town in Gwynedd, northwest Wales, known for its scenic setting near the Dwyryd estuary and the Italianate village of Portmeirion.
  • B. Monifieth
    Monifieth is a coastal town in eastern Scotland, situated on the north shore of the Firth of Tay near Dundee.
  • C. Fishguard
    Fishguard is a coastal town in Pembrokeshire, Wales, known as an important ferry port linking Wales and Ireland across the Irish Sea.
  • D. Neath
    Neath is a historic industrial and market town in South Wales, known for its Roman and medieval heritage and its role in the coal and steel industries.
  • E. Mull
    Mull is a large island in the Inner Hebrides of Scotland, known for its rugged coastline, wildlife, and the colorful harbor town of Tobermory.
  • 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_69a2e79434908190a9d5afe415153ad9 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2eac4d9d081908a624464e450fb0e completed Feb. 28, 2026, 1:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3d4e3dbc8819097e96187ba20dcb0 completed March 1, 2026, 5:55 a.m.
NEDg Description generation batch_69a3d60bc9448190b457788fb05b6a8b completed March 1, 2026, 6 a.m.
NED2 Entity disambiguation (via description) batch_69a3d706be0c8190bd557310836cca52 completed March 1, 2026, 6:04 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.