Triple

T2136677
Position Surface form Disambiguated ID Type / Status
Subject Chew Reservoir E46669 entity
Predicate partOf P40 FINISHED
Object Chew Valley water supply system
The Chew Valley water supply system is an integrated network of reservoirs, treatment works, and pipelines in the Chew Valley area that provides potable water to surrounding communities.
E237137 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: Chew Valley water supply system | Statement: [Chew Reservoir, partOf, Chew Valley water supply system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chew Valley water supply system
Context triple: [Chew Reservoir, partOf, Chew Valley water supply system]
  • A. Cambridge water supply system
    The Cambridge water supply system is the municipal infrastructure network that sources, treats, stores, and distributes drinking water to the city of Cambridge, Massachusetts.
  • B. Linhouse Water
    Linhouse Water is a small river in West Lothian, Scotland, known for flowing through scenic woodland and forming part of the River Almond catchment.
  • C. 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.
  • D. Elan Valley reservoirs
    The Elan Valley reservoirs are a series of scenic man-made lakes in mid-Wales, created in the late 19th and early 20th centuries to supply water to Birmingham and now renowned for their dams, wildlife, and outdoor recreation.
  • E. Bath Weir
    Bath Weir is a distinctive curved weir on the River Avon in the city of Bath, England, known as a prominent historic and scenic riverside feature near Pulteney Bridge.
  • 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: Chew Valley water supply system
Triple: [Chew Reservoir, partOf, Chew Valley water supply system]
Generated description
The Chew Valley water supply system is an integrated network of reservoirs, treatment works, and pipelines in the Chew Valley area that provides potable water to surrounding communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chew Valley water supply system
Target entity description: The Chew Valley water supply system is an integrated network of reservoirs, treatment works, and pipelines in the Chew Valley area that provides potable water to surrounding communities.
  • A. Cambridge water supply system
    The Cambridge water supply system is the municipal infrastructure network that sources, treats, stores, and distributes drinking water to the city of Cambridge, Massachusetts.
  • B. Linhouse Water
    Linhouse Water is a small river in West Lothian, Scotland, known for flowing through scenic woodland and forming part of the River Almond catchment.
  • C. 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.
  • D. Elan Valley reservoirs
    The Elan Valley reservoirs are a series of scenic man-made lakes in mid-Wales, created in the late 19th and early 20th centuries to supply water to Birmingham and now renowned for their dams, wildlife, and outdoor recreation.
  • E. Bath Weir
    Bath Weir is a distinctive curved weir on the River Avon in the city of Bath, England, known as a prominent historic and scenic riverside feature near Pulteney Bridge.
  • 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_69a88a174ab48190a5db20c132e5dccf completed March 4, 2026, 7:37 p.m.
NER Named-entity recognition batch_69abbdff9254819094d27405478e29a0 completed March 7, 2026, 5:56 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae51acc0f88190a580e29d887170ec completed March 9, 2026, 4:50 a.m.
NEDg Description generation batch_69ae5322097c81909d77d54ae258ab1a completed March 9, 2026, 4:57 a.m.
NED2 Entity disambiguation (via description) batch_69ae5365cd808190aa8363b612ef0ec5 completed March 9, 2026, 4:58 a.m.
Created at: March 4, 2026, 7:44 p.m.