Triple

T2318873
Position Surface form Disambiguated ID Type / Status
Subject River Vyrnwy E51129 entity
Predicate confluenceWith P2416 FINISHED
Object River Severn at Melverley
River Severn at Melverley is the stretch of the River Severn in Shropshire, England, where it meets the River Vyrnwy near the England–Wales border.
E255651 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: River Severn at Melverley | Statement: [River Vyrnwy, confluenceWith, River Severn at Melverley]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: River Severn at Melverley
Context triple: [River Vyrnwy, confluenceWith, River Severn at Melverley]
  • A. Preston Brook
    Preston Brook is a village in Cheshire, England, historically significant as a key junction and terminus on the British canal network.
  • B. Shropshire Union Canal
    The Shropshire Union Canal is a major 19th-century English waterway linking the Midlands to northwest England, known for its long rural stretches, engineering features, and role in the country’s historic canal network.
  • C. Letcombe Brook
    Letcombe Brook is a small chalk stream in Oxfordshire, England, valued for its clear waters, rich wildlife, and role in the local landscape around Wantage.
  • D. River Chelt
    River Chelt is a small river in Gloucestershire, England, that flows through the town of Cheltenham before joining the River Severn.
  • E. River Monnow
    The River Monnow is a tributary of the River Wye in the UK, forming part of the border between England and Wales and flowing through rural landscapes and historic market towns.
  • 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: River Severn at Melverley
Triple: [River Vyrnwy, confluenceWith, River Severn at Melverley]
Generated description
River Severn at Melverley is the stretch of the River Severn in Shropshire, England, where it meets the River Vyrnwy near the England–Wales border.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: River Severn at Melverley
Target entity description: River Severn at Melverley is the stretch of the River Severn in Shropshire, England, where it meets the River Vyrnwy near the England–Wales border.
  • A. Preston Brook
    Preston Brook is a village in Cheshire, England, historically significant as a key junction and terminus on the British canal network.
  • B. Shropshire Union Canal
    The Shropshire Union Canal is a major 19th-century English waterway linking the Midlands to northwest England, known for its long rural stretches, engineering features, and role in the country’s historic canal network.
  • C. Letcombe Brook
    Letcombe Brook is a small chalk stream in Oxfordshire, England, valued for its clear waters, rich wildlife, and role in the local landscape around Wantage.
  • D. River Chelt
    River Chelt is a small river in Gloucestershire, England, that flows through the town of Cheltenham before joining the River Severn.
  • E. River Monnow
    The River Monnow is a tributary of the River Wye in the UK, forming part of the border between England and Wales and flowing through rural landscapes and historic market towns.
  • 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_69a88b074b908190ae983dbca7757d88 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc630b7ec819088735bde27fdabfe completed March 7, 2026, 6:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae8966cc0c819092ad299645b0aa71 completed March 9, 2026, 8:48 a.m.
NEDg Description generation batch_69ae8b3693c481909c3f5f28c9b55e92 completed March 9, 2026, 8:56 a.m.
NED2 Entity disambiguation (via description) batch_69ae8bab9a3c8190aac39006ac3744a9 completed March 9, 2026, 8:58 a.m.
Created at: March 4, 2026, 7:49 p.m.