Triple

T2420199
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles Basin E53399 entity
Predicate drainedBy P165 FINISHED
Object Los Angeles River E75176 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: Los Angeles River | Statement: [Los Angeles Basin, drainedBy, Los Angeles River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Los Angeles River
Context triple: [Los Angeles Basin, drainedBy, 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. 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.
  • C. 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.
  • D. San Gabriel River
    The San Gabriel River is a tributary of the Brazos River in central Texas, known for its scenic limestone banks, recreational opportunities, and role in regional water supply and ecosystems.
  • E. San Diego River
    The San Diego River is a major waterway in Southern California that flows from the Cuyamaca Mountains through Mission Valley to the Pacific Ocean, playing a key role in the region’s history and ecology.
  • 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_69ab495c44d48190b7235b23719bc3f6 completed March 6, 2026, 9:38 p.m.
NER Named-entity recognition batch_69abc96f97e08190978b2d873ab88859 completed March 7, 2026, 6:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69af9060a6b88190b80e5fb0970957e1 completed March 10, 2026, 3:30 a.m.
Created at: March 6, 2026, 9:42 p.m.