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.