Triple

T18338992
Position Surface form Disambiguated ID Type / Status
Subject Tujunga Wash E439349 entity
Predicate tributaryOf P415 FINISHED
Object Los Angeles River NE NERFINISHED

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: Los Angeles River | Statement: [Tujunga Wash, tributaryOf, Los Angeles River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Los Angeles River
Context triple: [Tujunga Wash, tributaryOf, Los Angeles River]
  • A. Los Angeles River chosen
    The Los Angeles River is a largely channelized urban waterway running through Los Angeles County that has played a central role in the region’s history, development, and ongoing revitalization efforts.
  • B. Azusa River
    The Azusa River is a clear mountain river in Japan’s Nagano Prefecture, famed for flowing through the scenic Kamikōchi valley and serving as a popular destination for hiking and nature tourism.
  • C. Santa Ana River
    The Santa Ana River is a major waterway in Southern California that flows from the San Bernardino Mountains through inland valleys to the Pacific Ocean, shaping the region’s geography and development.
  • D. San Francisquito Creek
    San Francisquito Creek is a perennial stream on the San Francisco Peninsula that forms part of the boundary between San Mateo and Santa Clara counties and runs through Palo Alto and surrounding communities before emptying into San Francisco Bay.
  • E. San Gabriel River
    The San Gabriel River is a major waterway in Southern California that flows from the San Gabriel Mountains through the Los Angeles Basin to the Pacific Ocean, historically supporting Indigenous communities and regional development.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8b9175fec8190af865699b4e64d8c completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e50ed07db48190a15e957c96b1c5bf completed April 19, 2026, 5:20 p.m.
Created at: April 10, 2026, 10:37 a.m.