Triple

T5173066
Position Surface form Disambiguated ID Type / Status
Subject River Brent E116730 entity
Predicate passesThrough P225 FINISHED
Object Brent Reservoir
Brent Reservoir is an artificial lake in northwest London, England, created by damming the River Brent and now used for recreation and wildlife conservation.
E499385 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: Brent Reservoir | Statement: [River Brent, passesThrough, Brent Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brent Reservoir
Context triple: [River Brent, passesThrough, Brent Reservoir]
  • A. Bethany Reservoir
    Bethany Reservoir is a man-made water storage facility in California that serves as a key forebay and regulating reservoir for the State Water Project’s South Bay Aqueduct.
  • B. Howden Reservoir
    Howden Reservoir is a large man-made lake in Derbyshire’s Peak District, known as part of the Upper Derwent Valley chain of reservoirs supplying water to nearby cities and popular for its scenic surroundings and outdoor recreation.
  • C. Watergrove Reservoir
    Watergrove Reservoir is a man-made lake in Greater Manchester, England, known for supplying water to the region and for the remains of the submerged village of Watergrove visible at low water levels.
  • D. Kempton Park Reservoirs
    Kempton Park Reservoirs are a series of large water storage reservoirs in southwest London that form part of the region’s public water supply infrastructure and associated nature conservation areas.
  • E. Derwent Reservoir
    Derwent Reservoir is a large man-made lake in Derbyshire, England, best known for its scenic surroundings in the Peak District and its historical association with the World War II "Dambusters" training flights.
  • 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: Brent Reservoir
Triple: [River Brent, passesThrough, Brent Reservoir]
Generated description
Brent Reservoir is an artificial lake in northwest London, England, created by damming the River Brent and now used for recreation and wildlife conservation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brent Reservoir
Target entity description: Brent Reservoir is an artificial lake in northwest London, England, created by damming the River Brent and now used for recreation and wildlife conservation.
  • A. Bethany Reservoir
    Bethany Reservoir is a man-made water storage facility in California that serves as a key forebay and regulating reservoir for the State Water Project’s South Bay Aqueduct.
  • B. Howden Reservoir
    Howden Reservoir is a large man-made lake in Derbyshire’s Peak District, known as part of the Upper Derwent Valley chain of reservoirs supplying water to nearby cities and popular for its scenic surroundings and outdoor recreation.
  • C. Watergrove Reservoir
    Watergrove Reservoir is a man-made lake in Greater Manchester, England, known for supplying water to the region and for the remains of the submerged village of Watergrove visible at low water levels.
  • D. Kempton Park Reservoirs
    Kempton Park Reservoirs are a series of large water storage reservoirs in southwest London that form part of the region’s public water supply infrastructure and associated nature conservation areas.
  • E. Derwent Reservoir
    Derwent Reservoir is a large man-made lake in Derbyshire, England, best known for its scenic surroundings in the Peak District and its historical association with the World War II "Dambusters" training flights.
  • 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_69bd445ff97c81909a2615cc56235470 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd795252a481908634779f3f656574 completed March 20, 2026, 4:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69bed9471b4881909c8436853818a8a0 completed March 21, 2026, 5:45 p.m.
NEDg Description generation batch_69bed9f3624c8190b9d22fa0594dd767 completed March 21, 2026, 5:48 p.m.
NED2 Entity disambiguation (via description) batch_69beda5d39b88190a7314f673de2719d completed March 21, 2026, 5:50 p.m.
Created at: March 20, 2026, 1:45 p.m.