Triple

T5966233

Position	Surface form	Disambiguated ID	Type / Status
Subject	Little River Reservoir	`E132758`	entity
Predicate	operator	`P179`	FINISHED
Object	City of Durham Department of Water Management The City of Durham Department of Water Management is the municipal agency responsible for providing and overseeing drinking water, wastewater, and related water resource services for the City of Durham, North Carolina.	`E558434`	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: City of Durham Department of Water Management | Statement: [Little River Reservoir, operator, City of Durham Department of Water Management]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: City of Durham Department of Water Management
Context triple: [Little River Reservoir, operator, City of Durham Department of Water Management]

A. Albany Department of Water and Water Supply
The Albany Department of Water and Water Supply is the municipal agency responsible for managing the drinking water, distribution system, and related infrastructure for the City of Albany, New York.
B. Eastpoint Water and Sewer District
Eastpoint Water and Sewer District is a local special district in Franklin County, Florida, responsible for providing water and sewer services to the Eastpoint community.
C. Derwent Valley Water Board
The Derwent Valley Water Board was a public authority in England responsible for developing and managing major water supply reservoirs and infrastructure in the Derwent Valley region.
D. Zone 7 Water Agency
Zone 7 Water Agency is a public water wholesaler in California’s Alameda County that manages and delivers treated drinking water and flood protection services to communities in the Livermore-Amador Valley.
E. İZSU Water Utility
İZSU Water Utility is the public water and wastewater management authority serving the city and metropolitan area of İzmir, Turkey.
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: City of Durham Department of Water Management
Triple: [Little River Reservoir, operator, City of Durham Department of Water Management]

Generated description

The City of Durham Department of Water Management is the municipal agency responsible for providing and overseeing drinking water, wastewater, and related water resource services for the City of Durham, North Carolina.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: City of Durham Department of Water Management
Target entity description: The City of Durham Department of Water Management is the municipal agency responsible for providing and overseeing drinking water, wastewater, and related water resource services for the City of Durham, North Carolina.

A. Albany Department of Water and Water Supply
The Albany Department of Water and Water Supply is the municipal agency responsible for managing the drinking water, distribution system, and related infrastructure for the City of Albany, New York.
B. Eastpoint Water and Sewer District
Eastpoint Water and Sewer District is a local special district in Franklin County, Florida, responsible for providing water and sewer services to the Eastpoint community.
C. Derwent Valley Water Board
The Derwent Valley Water Board was a public authority in England responsible for developing and managing major water supply reservoirs and infrastructure in the Derwent Valley region.
D. Zone 7 Water Agency
Zone 7 Water Agency is a public water wholesaler in California’s Alameda County that manages and delivers treated drinking water and flood protection services to communities in the Livermore-Amador Valley.
E. İZSU Water Utility
İZSU Water Utility is the public water and wastewater management authority serving the city and metropolitan area of İzmir, Turkey.
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.