Triple

T14580932
Position Surface form Disambiguated ID Type / Status
Subject Lake Del Valle E342188 entity
Predicate operator P179 FINISHED
Object Alameda County Water District E328905 NE FINISHED

How this triple was built (2 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: Alameda County Water District | Statement: [Lake Del Valle, operator, Alameda County Water District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alameda County Water District
Context triple: [Lake Del Valle, operator, Alameda County Water District]
  • A. Alameda County Water District chosen
    Alameda County Water District is a public water agency in California responsible for providing drinking water and related services to communities in southern Alameda County, including Fremont, Newark, and Union City.
  • B. Contra Costa Water District
    Contra Costa Water District is a public water agency in California that supplies drinking and irrigation water to communities in and around Contra Costa County.
  • C. Santa Clara Valley Water District
    Santa Clara Valley Water District is the public agency responsible for managing water supply, flood protection, and stream stewardship for Santa Clara County in California’s Silicon Valley.
  • D. Solano County Water Agency
    Solano County Water Agency is a public water management agency in California responsible for regional water supply, flood control, and environmental stewardship in Solano County.
  • E. Alameda County Flood Control and Water Conservation District
    The Alameda County Flood Control and Water Conservation District is a public agency in California responsible for regional flood protection, stormwater management, and water resource conservation within Alameda County.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d822ddc0f081909cd8163c7de298cd completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb41e71748190a1deacc819dd26d3 completed April 14, 2026, 9:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd94b832b08190965b727baa700403 completed May 8, 2026, 7:46 a.m.
Created at: April 10, 2026, 1:24 a.m.