Triple

T2853723
Position Surface form Disambiguated ID Type / Status
Subject Tehama-Colusa Canal E63150 entity
Predicate startPoint P389 FINISHED
Object Red Bluff Diversion Dam
Red Bluff Diversion Dam is a concrete diversion structure on the Sacramento River in California that historically supplied irrigation water to regional canals and agricultural lands.
E313043 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: Red Bluff Diversion Dam | Statement: [Tehama-Colusa Canal, startPoint, Red Bluff Diversion Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Red Bluff Diversion Dam
Context triple: [Tehama-Colusa Canal, startPoint, Red Bluff Diversion Dam]
  • A. Hollywood Dam
    Hollywood Dam is a concrete arch-gravity dam in the Hollywood Hills of Los Angeles that impounds the Hollywood Reservoir as part of the city’s water supply system.
  • B. Red Rock Dam
    Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
  • C. Castaic Dam
    Castaic Dam is a large embankment dam in Los Angeles County, California, that forms Castaic Lake and plays a key role in water storage and hydroelectric power generation for Southern California.
  • D. Prosser Creek Dam
    Prosser Creek Dam is an earthfill dam in Nevada County, California, that creates Prosser Creek Reservoir for water storage, flood control, and recreation in the Truckee River basin.
  • E. Folsom Dam
    Folsom Dam is a large concrete dam on the American River in California that provides flood control, water storage, and hydroelectric power for the Sacramento region.
  • 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: Red Bluff Diversion Dam
Triple: [Tehama-Colusa Canal, startPoint, Red Bluff Diversion Dam]
Generated description
Red Bluff Diversion Dam is a concrete diversion structure on the Sacramento River in California that historically supplied irrigation water to regional canals and agricultural lands.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Red Bluff Diversion Dam
Target entity description: Red Bluff Diversion Dam is a concrete diversion structure on the Sacramento River in California that historically supplied irrigation water to regional canals and agricultural lands.
  • A. Hollywood Dam
    Hollywood Dam is a concrete arch-gravity dam in the Hollywood Hills of Los Angeles that impounds the Hollywood Reservoir as part of the city’s water supply system.
  • B. Red Rock Dam
    Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
  • C. Castaic Dam
    Castaic Dam is a large embankment dam in Los Angeles County, California, that forms Castaic Lake and plays a key role in water storage and hydroelectric power generation for Southern California.
  • D. Prosser Creek Dam
    Prosser Creek Dam is an earthfill dam in Nevada County, California, that creates Prosser Creek Reservoir for water storage, flood control, and recreation in the Truckee River basin.
  • E. Folsom Dam
    Folsom Dam is a large concrete dam on the American River in California that provides flood control, water storage, and hydroelectric power for the Sacramento region.
  • 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_69ab4c407c408190857d25e027155ce9 completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abdf5f21348190a574fa86bc71c76f completed March 7, 2026, 8:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69b08644192481909cb5ec394148adf4 completed March 10, 2026, 8:59 p.m.
NEDg Description generation batch_69b0d7bb0c488190b309d1b04136cb07 completed March 11, 2026, 2:47 a.m.
NED2 Entity disambiguation (via description) batch_69b0d8167ac48190845464f0eee3fcac completed March 11, 2026, 2:48 a.m.
Created at: March 6, 2026, 10:02 p.m.