Triple

T2907430
Position Surface form Disambiguated ID Type / Status
Subject Contra Costa Canal E63599 entity
Predicate sourceRegion P410 FINISHED
Object Sacramento–San Joaquin River Delta E14397 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: Sacramento–San Joaquin River Delta | Statement: [Contra Costa Canal, sourceRegion, Sacramento–San Joaquin River Delta]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sacramento–San Joaquin River Delta
Context triple: [Contra Costa Canal, sourceRegion, Sacramento–San Joaquin River Delta]
  • A. Sacramento–San Joaquin River Delta chosen
    The Sacramento–San Joaquin River Delta is a vast inland estuarine network of rivers, channels, and wetlands in Northern California that forms the state’s largest freshwater tidal ecosystem and a critical hub for its water supply and agriculture.
  • B. Suisun Marsh
    Suisun Marsh is one of the largest contiguous estuarine marshes on the West Coast of the United States, providing critical habitat for diverse wildlife and supporting the ecological health of the San Francisco Bay–Delta system.
  • C. Sacramento River Basin
    The Sacramento River Basin is a major watershed in Northern California that drains the Sacramento River and its tributaries, supporting extensive agriculture, ecosystems, and water supply for the region.
  • D. San Joaquin River Basin
    The San Joaquin River Basin is a major watershed in California’s Central Valley that drains the San Joaquin River and its tributaries, supporting extensive agriculture, ecosystems, and communities.
  • E. Suisun Slough
    Suisun Slough is a tidal waterway and wetland channel in Solano County, California, forming part of the Sacramento–San Joaquin River Delta estuarine system.
  • 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_69ab4c44ab448190b9411324e8a1fc1d completed March 6, 2026, 9:51 p.m.
NER Named-entity recognition batch_69abe0d0628c81909680af2f0db2ecae completed March 7, 2026, 8:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69b12e1250348190abeac8ef6dd9d916 completed March 11, 2026, 8:55 a.m.
Created at: March 6, 2026, 10:11 p.m.