Triple

T17800776
Position Surface form Disambiguated ID Type / Status
Subject South El Monte, California E444416 entity
Predicate locatedOn P40 FINISHED
Object San Gabriel Valley plain — NE NERFINISHED

How this triple was built (3 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 Gabriel Valley plain | Statement: [South El Monte, California, locatedOn, San Gabriel Valley plain]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Gabriel Valley plain
Context triple: [South El Monte, California, locatedOn, San Gabriel Valley plain]
  • A. Los Ángeles Basin
    Los Ángeles Basin is a geographic depression in south-central Chile known for its agricultural lands and role in the region’s settlement and economic activity.
  • B. San Bernardino Valley
    San Bernardino Valley is a broad inland valley in Southern California known for its urban centers, transportation corridors, and position between the San Bernardino Mountains and surrounding desert regions.
  • C. Los Angeles Basin
    The Los Angeles Basin is a large coastal lowland region in Southern California that encompasses the city of Los Angeles and its surrounding urban area, bordered by mountains and the Pacific Ocean.
  • D. Cucamonga Valley
    Cucamonga Valley is a historic wine-producing region and urbanized valley in Southern California’s Inland Empire, situated at the base of the San Gabriel Mountains.
  • E. Santa Ana River valley
    The Santa Ana River valley is a geographic region in Southern California shaped by the Santa Ana River, encompassing urban and agricultural communities across parts of Riverside, San Bernardino, and Orange counties.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: San Gabriel Valley plain
Target entity description: The San Gabriel Valley plain is a broad, urbanized alluvial valley in Los Angeles County, California, known for its dense suburban communities and diverse population east of downtown Los Angeles.
  • A. Los Ángeles Basin
    Los Ángeles Basin is a geographic depression in south-central Chile known for its agricultural lands and role in the region’s settlement and economic activity.
  • B. San Bernardino Valley
    San Bernardino Valley is a broad inland valley in Southern California known for its urban centers, transportation corridors, and position between the San Bernardino Mountains and surrounding desert regions.
  • C. Los Angeles Basin
    The Los Angeles Basin is a large coastal lowland region in Southern California that encompasses the city of Los Angeles and its surrounding urban area, bordered by mountains and the Pacific Ocean.
  • D. Cucamonga Valley
    Cucamonga Valley is a historic wine-producing region and urbanized valley in Southern California’s Inland Empire, situated at the base of the San Gabriel Mountains.
  • E. Santa Ana River valley
    The Santa Ana River valley is a geographic region in Southern California shaped by the Santa Ana River, encompassing urban and agricultural communities across parts of Riverside, San Bernardino, and Orange counties.
  • F. None of above. chosen

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_69d8b9efe370819095cd219b143ae727 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e487ff42108190b82ceb4466aa2dff completed April 19, 2026, 7:45 a.m.
Created at: April 10, 2026, 10:13 a.m.