Triple

T6560471
Position Surface form Disambiguated ID Type / Status
Subject Petrolia, California E152569 entity
Predicate locatedOnRiver P165 FINISHED
Object Mattole River
The Mattole River is a remote, free-flowing river in Northern California’s Lost Coast region, known for its rugged watershed, salmon and steelhead habitat, and largely undeveloped surroundings.
E629164 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: Mattole River | Statement: [Petrolia, California, locatedOnRiver, Mattole River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mattole River
Context triple: [Petrolia, California, locatedOnRiver, Mattole River]
  • A. Cle Elum River
    The Cle Elum River is a tributary of the Yakima River in central Washington State, known for flowing through forested mountain terrain and supporting irrigation, recreation, and local ecosystems.
  • B. Queets River
    The Queets River is a remote, glacially fed river in Washington State that flows through old-growth rainforest in Olympic National Park before emptying into the Pacific Ocean.
  • C. Mokelumne River
    The Mokelumne River is a major river in the Sierra Nevada of California, known for its scenic canyons, hydroelectric projects, and role as a vital water source for agriculture and urban areas.
  • D. Quillayute River
    The Quillayute River is a short river on Washington State’s Olympic Peninsula formed by the confluence of several tributaries and flowing into the Pacific Ocean near the town of La Push.
  • E. Newaukum River
    The Newaukum River is a tributary of the Chehalis River in southwestern Washington State, known for its salmon and steelhead runs and its role in the local watershed and floodplain of Lewis County.
  • 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: Mattole River
Triple: [Petrolia, California, locatedOnRiver, Mattole River]
Generated description
The Mattole River is a remote, free-flowing river in Northern California’s Lost Coast region, known for its rugged watershed, salmon and steelhead habitat, and largely undeveloped surroundings.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mattole River
Target entity description: The Mattole River is a remote, free-flowing river in Northern California’s Lost Coast region, known for its rugged watershed, salmon and steelhead habitat, and largely undeveloped surroundings.
  • A. Cle Elum River
    The Cle Elum River is a tributary of the Yakima River in central Washington State, known for flowing through forested mountain terrain and supporting irrigation, recreation, and local ecosystems.
  • B. Queets River
    The Queets River is a remote, glacially fed river in Washington State that flows through old-growth rainforest in Olympic National Park before emptying into the Pacific Ocean.
  • C. Mokelumne River
    The Mokelumne River is a major river in the Sierra Nevada of California, known for its scenic canyons, hydroelectric projects, and role as a vital water source for agriculture and urban areas.
  • D. Quillayute River
    The Quillayute River is a short river on Washington State’s Olympic Peninsula formed by the confluence of several tributaries and flowing into the Pacific Ocean near the town of La Push.
  • E. Newaukum River
    The Newaukum River is a tributary of the Chehalis River in southwestern Washington State, known for its salmon and steelhead runs and its role in the local watershed and floodplain of Lewis County.
  • 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_69c688058d6881908c19b309cc55dbfa completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6ae22442081909bd6e2ba0091c56b completed March 27, 2026, 4:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c751058e808190b3f9e7f9e5f68327 completed March 28, 2026, 3:54 a.m.
NEDg Description generation batch_69c752617f808190bec194ba7899dac1 completed March 28, 2026, 4 a.m.
NED2 Entity disambiguation (via description) batch_69c753402db0819082d07436bb8f6c83 completed March 28, 2026, 4:04 a.m.
Created at: March 27, 2026, 1:52 p.m.