Triple

T18525781

Position	Surface form	Disambiguated ID	Type / Status
Subject	Department of Public Works building	`E452714`	entity
Predicate	associatedWith	`P37`	FINISHED
Object	water and sewer services administration The water and sewer services administration is a municipal agency responsible for managing a city’s drinking water supply, wastewater collection, and sewage treatment infrastructure.	`E1329675`	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: water and sewer services administration | Statement: [Department of Public Works building, associatedWith, water and sewer services administration]

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

Target entity: water and sewer services administration
Context triple: [Department of Public Works building, associatedWith, water and sewer services administration]

A. Metropolitan Council’s wastewater authority
Metropolitan Council’s wastewater authority is the regional public utility responsible for collecting and treating wastewater for the Twin Cities metropolitan area in Minnesota.
B. Metropolitan Sewerage Division
The Metropolitan Sewerage Division was a regional public agency in Massachusetts responsible for managing and treating wastewater and sewage infrastructure within the jurisdiction of the Metropolitan District Commission.
C. Bureau of Water Supply
The Bureau of Water Supply is a division of New York City’s Department of Environmental Protection responsible for operating and protecting the city’s upstate reservoir and aqueduct system that delivers drinking water to millions of residents.
D. Water Supplies Department
The Water Supplies Department is a Hong Kong government department responsible for providing and managing the city’s public water supply services.
E. SF Water Power Sewer
SF Water Power Sewer is the public utility service brand of the San Francisco Public Utilities Commission, responsible for delivering the city’s water, power, and wastewater services.
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: water and sewer services administration
Triple: [Department of Public Works building, associatedWith, water and sewer services administration]

Generated description

The water and sewer services administration is a municipal agency responsible for managing a city’s drinking water supply, wastewater collection, and sewage treatment infrastructure.

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

Target entity: water and sewer services administration
Target entity description: The water and sewer services administration is a municipal agency responsible for managing a city’s drinking water supply, wastewater collection, and sewage treatment infrastructure.

A. Metropolitan Council’s wastewater authority
Metropolitan Council’s wastewater authority is the regional public utility responsible for collecting and treating wastewater for the Twin Cities metropolitan area in Minnesota.
B. Metropolitan Sewerage Division
The Metropolitan Sewerage Division was a regional public agency in Massachusetts responsible for managing and treating wastewater and sewage infrastructure within the jurisdiction of the Metropolitan District Commission.
C. Bureau of Water Supply
The Bureau of Water Supply is a division of New York City’s Department of Environmental Protection responsible for operating and protecting the city’s upstate reservoir and aqueduct system that delivers drinking water to millions of residents.
D. Water Supplies Department
The Water Supplies Department is a Hong Kong government department responsible for providing and managing the city’s public water supply services.
E. SF Water Power Sewer
SF Water Power Sewer is the public utility service brand of the San Francisco Public Utilities Commission, responsible for delivering the city’s water, power, and wastewater services.
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_69d8d387b5548190aa030dad2cb4947e`	completed	April 10, 2026, 10:40 a.m.
NER	Named-entity recognition	`batch_69e533914e808190a46638de1ce2d57b`	completed	April 19, 2026, 7:57 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a049176e7708190a8bcdb2c2ba3a0fc`	completed	May 13, 2026, 2:57 p.m.
NEDg	Description generation	`batch_6a0493a567d4819080fe2dd8bd039691`	completed	May 13, 2026, 3:07 p.m.
NED2	Entity disambiguation (via description)	`batch_6a049430cae0819090d271848f45561b`	completed	May 13, 2026, 3:09 p.m.

Created at: April 10, 2026, 11:37 a.m.