Triple

T14188357
Position Surface form Disambiguated ID Type / Status
Subject Middle Fork American River E351640 entity
Predicate hasDam P8736 FINISHED
Object French Meadows Dam
French Meadows Dam is a concrete gravity dam in the Sierra Nevada of California that impounds the Middle Fork of the American River to form French Meadows Reservoir for hydroelectric power generation, water storage, and recreation.
E1198910 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: French Meadows Dam | Statement: [Middle Fork American River, hasDam, French Meadows Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: French Meadows Dam
Context triple: [Middle Fork American River, hasDam, French Meadows Dam]
  • A. Palisade Dam
    Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
  • B. Fengman Dam
    Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
  • C. O'Shaughnessy Dam
    O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
  • D. Cascade Dam
    Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
  • E. 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.
  • 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: French Meadows Dam
Triple: [Middle Fork American River, hasDam, French Meadows Dam]
Generated description
French Meadows Dam is a concrete gravity dam in the Sierra Nevada of California that impounds the Middle Fork of the American River to form French Meadows Reservoir for hydroelectric power generation, water storage, and recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: French Meadows Dam
Target entity description: French Meadows Dam is a concrete gravity dam in the Sierra Nevada of California that impounds the Middle Fork of the American River to form French Meadows Reservoir for hydroelectric power generation, water storage, and recreation.
  • A. Palisade Dam
    Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
  • B. Fengman Dam
    Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
  • C. O'Shaughnessy Dam
    O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
  • D. Cascade Dam
    Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
  • E. 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.
  • 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_69d8278834a08190b0f1784e58d7b99c completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de61de509881908967ef5031f2a8d9 completed April 14, 2026, 3:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69fffee0ff948190911c02f6e50ea2bc completed May 10, 2026, 3:43 a.m.
NEDg Description generation batch_6a00007647a08190bff12da75c4a3c02 completed May 10, 2026, 3:50 a.m.
NED2 Entity disambiguation (via description) batch_6a0000e385bc819080e63ced564fe77b completed May 10, 2026, 3:52 a.m.
Created at: April 10, 2026, 1:03 a.m.