Triple

T4187735

Position	Surface form	Disambiguated ID	Type / Status
Subject	Government of Detroit	`E88353`	entity
Predicate	hasPart	`P35`	FINISHED
Object	Detroit Water and Sewerage Department The Detroit Water and Sewerage Department is the municipal agency responsible for providing water and wastewater services to Detroit and several surrounding communities.	`E419581`	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: Detroit Water and Sewerage Department | Statement: [Government of Detroit, hasPart, Detroit Water and Sewerage Department]

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

Target entity: Detroit Water and Sewerage Department
Context triple: [Government of Detroit, hasPart, Detroit Water and Sewerage Department]

A. Metropolitan Water Reclamation District of Greater Chicago
The Metropolitan Water Reclamation District of Greater Chicago is a special-purpose governmental agency responsible for wastewater treatment, stormwater management, and flood control across the Chicago metropolitan area.
B. Portland Water Bureau
The Portland Water Bureau is the municipal agency responsible for providing and managing the drinking water supply and related water services for the city of Portland, Oregon.
C. District of Columbia Water and Sewer Authority
The District of Columbia Water and Sewer Authority is the public utility responsible for providing drinking water and wastewater services to Washington, D.C. and parts of the surrounding region.
D. Los Angeles Department of Water and Power
The Los Angeles Department of Water and Power is the largest municipal utility in the United States, providing water and electricity to the City of Los Angeles and overseeing key regional water resources.
E. 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.
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: Detroit Water and Sewerage Department
Triple: [Government of Detroit, hasPart, Detroit Water and Sewerage Department]

Generated description

The Detroit Water and Sewerage Department is the municipal agency responsible for providing water and wastewater services to Detroit and several surrounding communities.

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

Target entity: Detroit Water and Sewerage Department
Target entity description: The Detroit Water and Sewerage Department is the municipal agency responsible for providing water and wastewater services to Detroit and several surrounding communities.

A. Metropolitan Water Reclamation District of Greater Chicago
The Metropolitan Water Reclamation District of Greater Chicago is a special-purpose governmental agency responsible for wastewater treatment, stormwater management, and flood control across the Chicago metropolitan area.
B. Portland Water Bureau
The Portland Water Bureau is the municipal agency responsible for providing and managing the drinking water supply and related water services for the city of Portland, Oregon.
C. District of Columbia Water and Sewer Authority
The District of Columbia Water and Sewer Authority is the public utility responsible for providing drinking water and wastewater services to Washington, D.C. and parts of the surrounding region.
D. Los Angeles Department of Water and Power
The Los Angeles Department of Water and Power is the largest municipal utility in the United States, providing water and electricity to the City of Los Angeles and overseeing key regional water resources.
E. 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.
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_69aed9477e8c81908bcb862d2db55b1d`	completed	March 9, 2026, 2:29 p.m.
NER	Named-entity recognition	`batch_69af0325a82c8190849d8a828e2c7b44`	completed	March 9, 2026, 5:28 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b58a034f6481909a3126d8832f7821`	completed	March 14, 2026, 4:17 p.m.
NEDg	Description generation	`batch_69b58abc256c8190ad37c8d213b8f11e`	completed	March 14, 2026, 4:20 p.m.
NED2	Entity disambiguation (via description)	`batch_69b58b41916c81909eb2e5ab482a5fe1`	completed	March 14, 2026, 4:22 p.m.

Created at: March 9, 2026, 3:45 p.m.