Triple

T6940050
Position Surface form Disambiguated ID Type / Status
Subject Kempton Park Reservoirs E160649 entity
Predicate partOf P40 FINISHED
Object London water supply system
The London water supply system is the extensive network of reservoirs, treatment works, pipes, and infrastructure that abstracts, stores, purifies, and distributes drinking water to the Greater London area.
 E628687 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: London water supply system | Statement: [Kempton Park Reservoirs, partOf, London water supply system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London water supply system
Context triple: [Kempton Park Reservoirs, partOf, London 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. Thames Water
    Thames Water is the United Kingdom’s largest water and wastewater services company, supplying and treating water for millions of customers across London and the Thames Valley.
  • C. Birmingham Water Works Board system
    The Birmingham Water Works Board system is a public utility network that provides drinking water and related services to the Birmingham, Alabama metropolitan area.
  • D. 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.
  • E. Durham municipal water supply system
    The Durham municipal water supply system is the network of reservoirs, treatment facilities, and distribution infrastructure that provides drinking water to the city of Durham, North Carolina and surrounding areas.
  • 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: London water supply system
Triple: [Kempton Park Reservoirs, partOf, London water supply system]
Generated description
The London water supply system is the extensive network of reservoirs, treatment works, pipes, and infrastructure that abstracts, stores, purifies, and distributes drinking water to the Greater London area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: London water supply system
Target entity description: The London water supply system is the extensive network of reservoirs, treatment works, pipes, and infrastructure that abstracts, stores, purifies, and distributes drinking water to the Greater London area.
  • 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. Thames Water
    Thames Water is the United Kingdom’s largest water and wastewater services company, supplying and treating water for millions of customers across London and the Thames Valley.
  • C. Birmingham Water Works Board system
    The Birmingham Water Works Board system is a public utility network that provides drinking water and related services to the Birmingham, Alabama metropolitan area.
  • D. 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.
  • E. Durham municipal water supply system
    The Durham municipal water supply system is the network of reservoirs, treatment facilities, and distribution infrastructure that provides drinking water to the city of Durham, North Carolina and surrounding areas.
  • 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_69c6884f3db4819080ad65da69386206 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6da641ce08190a133c9ba4977755d completed March 27, 2026, 7:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7515880948190970cadd7adeda435 completed March 28, 2026, 3:56 a.m.
NEDg Description generation batch_69c7524e3ef48190a78601ca290f133d completed March 28, 2026, 4 a.m.
NED2 Entity disambiguation (via description) batch_69c752dca6e08190a087898d99c015ac completed March 28, 2026, 4:02 a.m.
Created at: March 27, 2026, 2:28 p.m.