Triple

T10832357
Position Surface form Disambiguated ID Type / Status
Subject Severn River Basin District E255653 entity
Predicate includesCatchment P15963 FINISHED
Object Severn catchment E6663 NE FINISHED

How this triple was built (3 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: [Severn River Basin District, includesCatchment, Severn catchment]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Severn catchment
Context triple: [Severn River Basin District, includesCatchment, 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.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: includesCatchment
Context triple: [Severn River Basin District, includesCatchment, Severn catchment]
  • A. hasCatchmentAuthority
    Indicates that an entity holds official responsibility or authority over managing and regulating a particular catchment area.
  • B. hasCatchmentArea
    Indicates that a geographic or administrative unit serves as the area from which an entity (such as a facility or service) draws its users, resources, or influence.
  • C. hasMajorTownInCatchment
    Indicates that a catchment area includes at least one major town within its geographic or service coverage.
  • D. hasCatchmentAreaSize
    Indicates the size or extent of the geographic area from which something (e.g., a facility or service) draws its users, resources, or influence.
  • E. catchmentArea chosen
    Indicates the geographic area from which something (such as a facility, service, or natural feature) draws or collects people, resources, or water.
  • F. None of above.

Provenance (4 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_69e154a582188190af96ae0d5cc08dc4 completed April 16, 2026, 9:29 p.m.
PD Predicate disambiguation batch_69d70d25280c8190b648d7d1958b413a completed April 9, 2026, 2:21 a.m.
Created at: April 8, 2026, 9:19 p.m.