Triple

T5966256
Position Surface form Disambiguated ID Type / Status
Subject Little River Reservoir E132758 entity
Predicate partOf P40 FINISHED
Object 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.
 E558435 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: Durham municipal water supply system | Statement: [Little River Reservoir, partOf, Durham municipal water supply system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Durham municipal water supply system
Context triple: [Little River Reservoir, partOf, Durham municipal 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. Metropolitan Water Works system
    The Metropolitan Water Works system is a historic public water supply network that provided drinking water to the Boston metropolitan area through an extensive system of reservoirs, aqueducts, and related infrastructure.
  • C. Croton Reservoir system
    The Croton Reservoir system is a network of reservoirs and related infrastructure in New York that forms a major component of the New York City water supply.
  • D. Fayette County water supply system
    The Fayette County water supply system is the public infrastructure network that provides treated drinking water to residents and businesses throughout Fayette County, Georgia.
  • E. 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.
  • 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: Durham municipal water supply system
Triple: [Little River Reservoir, partOf, Durham municipal water supply system]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Durham municipal water supply system
Target entity description: 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.
  • 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. Metropolitan Water Works system
    The Metropolitan Water Works system is a historic public water supply network that provided drinking water to the Boston metropolitan area through an extensive system of reservoirs, aqueducts, and related infrastructure.
  • C. Croton Reservoir system
    The Croton Reservoir system is a network of reservoirs and related infrastructure in New York that forms a major component of the New York City water supply.
  • D. Fayette County water supply system
    The Fayette County water supply system is the public infrastructure network that provides treated drinking water to residents and businesses throughout Fayette County, Georgia.
  • E. 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.
  • 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_69c0086c2364819091e9fe2f58fa2517 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c03a3e06848190b1d1a191db257a07 completed March 22, 2026, 6:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0e3f917c881909c4f780937c5fa7b completed March 23, 2026, 6:55 a.m.
NEDg Description generation batch_69c0e8de4f0c81908e8c67b858cdd066 completed March 23, 2026, 7:16 a.m.
NED2 Entity disambiguation (via description) batch_69c0e9416ba88190adb835b2ab9630ed completed March 23, 2026, 7:18 a.m.
Created at: March 22, 2026, 4:03 p.m.