Triple

T13125088

Position	Surface form	Disambiguated ID	Type / Status
Subject	Dallas–Fort Worth water supply system	`E311824`	entity
Predicate	hasMajorProvider	`P58712`	FINISHED
Object	Tarrant Regional Water District Tarrant Regional Water District is a major public water agency in North Texas that manages water supply, flood control, and recreational waterways for the Fort Worth and surrounding Dallas–Fort Worth metropolitan area.	`E1022353`	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: Tarrant Regional Water District | Statement: [Dallas–Fort Worth water supply system, hasMajorProvider, Tarrant Regional Water District]

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

Target entity: Tarrant Regional Water District
Context triple: [Dallas–Fort Worth water supply system, hasMajorProvider, Tarrant Regional Water District]

A. Dallas Water Utilities
Dallas Water Utilities is the municipal department responsible for providing water and wastewater services to residents and businesses in Dallas, Texas.
B. Brazos River Authority
The Brazos River Authority is a Texas state agency responsible for developing, managing, and protecting the water resources of the Brazos River basin for municipal, industrial, agricultural, and environmental uses.
C. San Antonio River Authority
The San Antonio River Authority is a regional government agency responsible for managing, protecting, and enhancing the San Antonio River and its surrounding watershed in South Texas.
D. Dallas–Fort Worth water supply system
The Dallas–Fort Worth water supply system is a regional network of reservoirs, treatment facilities, and pipelines that provides drinking water to the Dallas–Fort Worth metropolitan area in North Texas.
E. Guadalupe-Blanco River Authority
The Guadalupe-Blanco River Authority is a Texas-based public water management agency responsible for developing, conserving, and protecting the water resources of the Guadalupe and Blanco river basins.
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: Tarrant Regional Water District
Triple: [Dallas–Fort Worth water supply system, hasMajorProvider, Tarrant Regional Water District]

Generated description

Tarrant Regional Water District is a major public water agency in North Texas that manages water supply, flood control, and recreational waterways for the Fort Worth and surrounding Dallas–Fort Worth metropolitan area.

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

Target entity: Tarrant Regional Water District
Target entity description: Tarrant Regional Water District is a major public water agency in North Texas that manages water supply, flood control, and recreational waterways for the Fort Worth and surrounding Dallas–Fort Worth metropolitan area.

A. Dallas Water Utilities
Dallas Water Utilities is the municipal department responsible for providing water and wastewater services to residents and businesses in Dallas, Texas.
B. Brazos River Authority
The Brazos River Authority is a Texas state agency responsible for developing, managing, and protecting the water resources of the Brazos River basin for municipal, industrial, agricultural, and environmental uses.
C. San Antonio River Authority
The San Antonio River Authority is a regional government agency responsible for managing, protecting, and enhancing the San Antonio River and its surrounding watershed in South Texas.
D. Dallas–Fort Worth water supply system
The Dallas–Fort Worth water supply system is a regional network of reservoirs, treatment facilities, and pipelines that provides drinking water to the Dallas–Fort Worth metropolitan area in North Texas.
E. Guadalupe-Blanco River Authority
The Guadalupe-Blanco River Authority is a Texas-based public water management agency responsible for developing, conserving, and protecting the water resources of the Guadalupe and Blanco river basins.
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_69d806a9fe888190b081e2d9ea665d6c`	completed	April 9, 2026, 8:06 p.m.
NER	Named-entity recognition	`batch_69d98bce3678819082a7aa1d83f20592`	completed	April 10, 2026, 11:46 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f6e28bdd6881909d01e550e99267e1`	completed	May 3, 2026, 5:52 a.m.
NEDg	Description generation	`batch_69f6e383dd8c8190872304c99b753152`	completed	May 3, 2026, 5:56 a.m.
NED2	Entity disambiguation (via description)	`batch_69f6e47b052c8190a6f6ca5a6bd210f5`	completed	May 3, 2026, 6 a.m.

Created at: April 9, 2026, 9:07 p.m.