Triple

T13691526
Position Surface form Disambiguated ID Type / Status
Subject Ventura River watershed E328277 entity
Predicate contains P35 FINISHED
Object North Fork Matilija Creek
North Fork Matilija Creek is a tributary stream in Ventura County, California, known for its rugged canyon setting, natural pools, and role in supplying water and habitat within the Ventura River system.
E1092120 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: North Fork Matilija Creek | Statement: [Ventura River watershed, contains, North Fork Matilija Creek]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North Fork Matilija Creek
Context triple: [Ventura River watershed, contains, North Fork Matilija Creek]
  • A. North Fork Kings River
    The North Fork Kings River is a major headwater branch of California’s Kings River, flowing through the Sierra Nevada and contributing to the river’s rugged canyons and hydroelectric system.
  • B. Topanga Creek
    Topanga Creek is a seasonal stream in the Santa Monica Mountains of Southern California that flows through Topanga Canyon to the Pacific Ocean.
  • C. Mariposa Creek
    Mariposa Creek is a stream in central California notable for its early Spanish exploration history and association with the Sierra Nevada foothill town of Mariposa.
  • D. Purisima Creek
    Purisima Creek is a forested stream in the Santa Cruz Mountains of California, known for running through redwood canyons and providing scenic trails and habitat within the Purisima Creek Redwoods Open Space Preserve.
  • E. North Fork Stanislaus River
    The North Fork Stanislaus River is a major Sierra Nevada mountain stream in California known for its steep granite canyon, whitewater recreation, and role in regional hydroelectric and water supply systems.
  • 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: North Fork Matilija Creek
Triple: [Ventura River watershed, contains, North Fork Matilija Creek]
Generated description
North Fork Matilija Creek is a tributary stream in Ventura County, California, known for its rugged canyon setting, natural pools, and role in supplying water and habitat within the Ventura River system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: North Fork Matilija Creek
Target entity description: North Fork Matilija Creek is a tributary stream in Ventura County, California, known for its rugged canyon setting, natural pools, and role in supplying water and habitat within the Ventura River system.
  • A. North Fork Kings River
    The North Fork Kings River is a major headwater branch of California’s Kings River, flowing through the Sierra Nevada and contributing to the river’s rugged canyons and hydroelectric system.
  • B. Topanga Creek
    Topanga Creek is a seasonal stream in the Santa Monica Mountains of Southern California that flows through Topanga Canyon to the Pacific Ocean.
  • C. Mariposa Creek
    Mariposa Creek is a stream in central California notable for its early Spanish exploration history and association with the Sierra Nevada foothill town of Mariposa.
  • D. Purisima Creek
    Purisima Creek is a forested stream in the Santa Cruz Mountains of California, known for running through redwood canyons and providing scenic trails and habitat within the Purisima Creek Redwoods Open Space Preserve.
  • E. North Fork Stanislaus River
    The North Fork Stanislaus River is a major Sierra Nevada mountain stream in California known for its steep granite canyon, whitewater recreation, and role in regional hydroelectric and water supply systems.
  • 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_69d8076ff62081908a7bd79889edd7a0 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbc8746458819095ec1ba3c01ef31b completed April 12, 2026, 4:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd3cfae6bc8190ac6851a3fa2dfb12 completed May 8, 2026, 1:31 a.m.
NEDg Description generation batch_69fd40d73d588190a85e2d58a2c37473 completed May 8, 2026, 1:48 a.m.
NED2 Entity disambiguation (via description) batch_69fd412812a08190ae113d4dd257d453 completed May 8, 2026, 1:49 a.m.
Created at: April 9, 2026, 9:53 p.m.