Triple

T10832313
Position Surface form Disambiguated ID Type / Status
Subject River Severn at Melverley E255651 entity
Predicate partOf P40 FINISHED
Object Severn catchment E6663 NE FINISHED

How this triple was built (2 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: Severn catchment | Statement: [River Severn at Melverley, partOf, Severn catchment]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Severn catchment
Context triple: [River Severn at Melverley, partOf, Severn catchment]
  • A. Thames Basin
    The Thames Basin is the drainage area in southern England that collects water flowing into the River Thames and its tributaries.
  • B. Thames River watershed
    The Thames River watershed is a drainage basin in southwestern Ontario, Canada, encompassing the land area whose surface water flows into the Thames River and its tributaries.
  • C. Severn Estuary
    The Severn Estuary is a large tidal estuary in Great Britain, renowned for having one of the highest tidal ranges in the world and forming the lower reaches of the River Severn between England and Wales.
  • D. Severn Vale
    Severn Vale is a broad, low-lying valley in western England formed by the River Severn, known for its rural landscapes and views from the surrounding Cotswold escarpment.
  • E. Severn chosen
    The Severn is the longest river in Great Britain, flowing through Wales and England before emptying into the Bristol Channel.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d6aa8081448190a9324184f2bd1c26 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d7442323948190afd9488815f7908b completed April 9, 2026, 6:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69deb11a264c8190829ff89f0b13d063 completed April 14, 2026, 9:26 p.m.
Created at: April 8, 2026, 9:19 p.m.