Triple

T18370389
Position Surface form Disambiguated ID Type / Status
Subject Medina River E446166 entity
Predicate waterSupplyFor P4102 FINISHED
Object San Antonio Water System
San Antonio Water System is the public utility responsible for providing water and wastewater services to the city of San Antonio, Texas.
 E1320703 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: San Antonio Water System | Statement: [Medina River, waterSupplyFor, San Antonio Water System]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Antonio Water System
Context triple: [Medina River, waterSupplyFor, San Antonio Water System]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. North Texas Municipal Water District
    North Texas Municipal Water District is a regional wholesale water, wastewater, and solid waste management agency serving numerous communities across the fast-growing Dallas–Fort Worth area in Texas.
  • 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: San Antonio Water System
Triple: [Medina River, waterSupplyFor, San Antonio Water System]
Generated description
San Antonio Water System is the public utility responsible for providing water and wastewater services to the city of San Antonio, Texas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: San Antonio Water System
Target entity description: San Antonio Water System is the public utility responsible for providing water and wastewater services to the city of San Antonio, Texas.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. North Texas Municipal Water District
    North Texas Municipal Water District is a regional wholesale water, wastewater, and solid waste management agency serving numerous communities across the fast-growing Dallas–Fort Worth area in Texas.
  • 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_69d8b9f370b88190b1e5081c2c238e7f completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e51751e4288190873bcc4dc140ac16 completed April 19, 2026, 5:56 p.m.
NED1 Entity disambiguation (via context triple) batch_6a03d77869e48190a7221d97c99dd2fd completed May 13, 2026, 1:44 a.m.
NEDg Description generation batch_6a03d831538881908117b180f6cb16da completed May 13, 2026, 1:47 a.m.
NED2 Entity disambiguation (via description) batch_6a03d8b2a8208190a3c346db913cf58c completed May 13, 2026, 1:49 a.m.
Created at: April 10, 2026, 10:44 a.m.