Triple

T7422738

Position	Surface form	Disambiguated ID	Type / Status
Subject	Minnesota Statutes Chapter 473	`E171288`	entity
Predicate	legalBasisFor	`P125`	FINISHED
Object	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.	`E664379`	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: Metropolitan Council’s wastewater authority | Statement: [Minnesota Statutes Chapter 473, legalBasisFor, Metropolitan Council’s wastewater authority]

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

Target entity: Metropolitan Council’s wastewater authority
Context triple: [Minnesota Statutes Chapter 473, legalBasisFor, Metropolitan Council’s wastewater authority]

A. Metropolitan Waterworks and Sewerage System
The Metropolitan Waterworks and Sewerage System is a Philippine government agency responsible for providing and regulating water supply and sewerage services in Metro Manila and nearby areas.
B. Milwaukee Metropolitan Sewerage District
The Milwaukee Metropolitan Sewerage District is a regional government agency responsible for wastewater treatment, flood management, and water quality protection in the Milwaukee, Wisconsin area.
C. 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.
D. Eastern Treatment Plant
The Eastern Treatment Plant is a major wastewater treatment facility in Melbourne, Australia, that processes sewage and produces recycled water and biosolids for the region.
E. Blue Plains Advanced Wastewater Treatment Plant
The Blue Plains Advanced Wastewater Treatment Plant is a major wastewater treatment facility in Washington, D.C., recognized as one of the largest and most advanced of its kind in the world.
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: Metropolitan Council’s wastewater authority
Triple: [Minnesota Statutes Chapter 473, legalBasisFor, Metropolitan Council’s wastewater authority]

Generated description

Metropolitan Council’s wastewater authority is the regional public utility responsible for collecting and treating wastewater for the Twin Cities metropolitan area in Minnesota.

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

Target entity: Metropolitan Council’s wastewater authority
Target entity description: Metropolitan Council’s wastewater authority is the regional public utility responsible for collecting and treating wastewater for the Twin Cities metropolitan area in Minnesota.

A. Metropolitan Waterworks and Sewerage System
The Metropolitan Waterworks and Sewerage System is a Philippine government agency responsible for providing and regulating water supply and sewerage services in Metro Manila and nearby areas.
B. Milwaukee Metropolitan Sewerage District
The Milwaukee Metropolitan Sewerage District is a regional government agency responsible for wastewater treatment, flood management, and water quality protection in the Milwaukee, Wisconsin area.
C. 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.
D. Eastern Treatment Plant
The Eastern Treatment Plant is a major wastewater treatment facility in Melbourne, Australia, that processes sewage and produces recycled water and biosolids for the region.
E. Blue Plains Advanced Wastewater Treatment Plant
The Blue Plains Advanced Wastewater Treatment Plant is a major wastewater treatment facility in Washington, D.C., recognized as one of the largest and most advanced of its kind in the world.
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_69c68a625d048190af70eb8b63bec5a0`	completed	March 27, 2026, 1:47 p.m.
NER	Named-entity recognition	`batch_69c6f2ed29ec8190804564185fe20797`	completed	March 27, 2026, 9:13 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c81effc488819086336eea92604fa8`	completed	March 28, 2026, 6:33 p.m.
NEDg	Description generation	`batch_69c81fe025d081909f2a5c4515c60f64`	completed	March 28, 2026, 6:37 p.m.
NED2	Entity disambiguation (via description)	`batch_69c824010104819081977e89d79ebb44`	completed	March 28, 2026, 6:54 p.m.

Created at: March 27, 2026, 3:12 p.m.