Triple

T12969827
Position Surface form Disambiguated ID Type / Status
Subject Colorado River Basin E321362 entity
Predicate containsCity P294 FINISHED
Object Los Angeles (served via imported Colorado River water)
Los Angeles is a major Southern California metropolis whose vast population and economy rely heavily on imported water from the distant Colorado River.
E1012928 NE FINISHED

How this triple was built (4 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 (served via imported Colorado River water) | Statement: [Colorado River Basin, containsCity, Los Angeles (served via imported Colorado River water)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Los Angeles (served via imported Colorado River water)
Context triple: [Colorado River Basin, containsCity, Los Angeles (served via imported Colorado River water)]
  • A. Tujunga, Los Angeles
    Tujunga is a neighborhood in the northeastern San Fernando Valley region of Los Angeles known for its suburban character, foothill setting, and proximity to the Verdugo and San Gabriel Mountains.
  • B. Greater Los Angeles hydrologic system
    The Greater Los Angeles hydrologic system is the interconnected network of rivers, arroyos, watersheds, and engineered water infrastructure that manages surface and groundwater flow across the Los Angeles metropolitan region.
  • C. Riverside, California
    Riverside, California is a major city in Southern California’s Inland Empire region, known as the birthplace of the state’s citrus industry and home to a campus of the University of California system.
  • D. Los Angeles River
    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.
  • E. Metropolitan Water District of Southern California
    The Metropolitan Water District of Southern California is a regional wholesale water agency that imports, manages, and distributes water supplies to numerous cities and local water districts across Southern California.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Los Angeles (served via imported Colorado River water)
Triple: [Colorado River Basin, containsCity, Los Angeles (served via imported Colorado River water)]
Generated description
Los Angeles is a major Southern California metropolis whose vast population and economy rely heavily on imported water from the distant Colorado River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Los Angeles (served via imported Colorado River water)
Target entity description: Los Angeles is a major Southern California metropolis whose vast population and economy rely heavily on imported water from the distant Colorado River.
  • A. Tujunga, Los Angeles
    Tujunga is a neighborhood in the northeastern San Fernando Valley region of Los Angeles known for its suburban character, foothill setting, and proximity to the Verdugo and San Gabriel Mountains.
  • B. Greater Los Angeles hydrologic system
    The Greater Los Angeles hydrologic system is the interconnected network of rivers, arroyos, watersheds, and engineered water infrastructure that manages surface and groundwater flow across the Los Angeles metropolitan region.
  • C. Riverside, California
    Riverside, California is a major city in Southern California’s Inland Empire region, known as the birthplace of the state’s citrus industry and home to a campus of the University of California system.
  • D. Los Angeles River
    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.
  • E. Metropolitan Water District of Southern California
    The Metropolitan Water District of Southern California is a regional wholesale water agency that imports, manages, and distributes water supplies to numerous cities and local water districts across Southern California.
  • F. None of above. chosen

Provenance (5 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_69d80763bd6c819094437da5b20b01d2 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69d97e407e5081909424fc0c22483c28 completed April 10, 2026, 10:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6b8e6b31c8190b09276003f284f25 completed May 3, 2026, 2:54 a.m.
NEDg Description generation batch_69f6b9db8164819086a3a27692d681d5 completed May 3, 2026, 2:58 a.m.
NED2 Entity disambiguation (via description) batch_69f6bb2602848190b9588134c71d0ef4 completed May 3, 2026, 3:04 a.m.
Created at: April 9, 2026, 8:34 p.m.