Triple

T10151700
Position Surface form Disambiguated ID Type / Status
Subject Mokelumne River E232657 entity
Predicate impoundedBy P10781 FINISHED
Object Salt Springs Dam
Salt Springs Dam is a hydroelectric and water storage dam on the North Fork of the Mokelumne River in the Sierra Nevada of California.
 E851048 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: Salt Springs Dam | Statement: [Mokelumne River, impoundedBy, Salt Springs Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Salt Springs Dam
Context triple: [Mokelumne River, impoundedBy, Salt Springs Dam]
  • A. Crystal Springs Dam
    Crystal Springs Dam is a historic concrete gravity dam in San Mateo County, California, that impounds water to create the Crystal Springs Reservoir as part of the San Francisco Peninsula’s water supply system.
  • B. Warm Springs Dam
    Warm Springs Dam is a large earth-fill dam in Sonoma County, California, that creates Lake Sonoma for water supply, flood control, and recreation on the Russian River system.
  • C. Brantley Dam
    Brantley Dam is a major flood-control and irrigation reservoir structure on the Pecos River in southeastern New Mexico.
  • D. Rollins Dam
    Rollins Dam is a concrete gravity dam in Nevada County, California, that creates Rollins Reservoir for water storage, hydroelectric power generation, and recreation on the Bear River.
  • E. Wells Dam
    Wells Dam is a hydroelectric dam on the Columbia River in Washington State, known for its distinctive hydrocombine design and role in regional power generation and fish passage.
  • 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: Salt Springs Dam
Triple: [Mokelumne River, impoundedBy, Salt Springs Dam]
Generated description
Salt Springs Dam is a hydroelectric and water storage dam on the North Fork of the Mokelumne River in the Sierra Nevada of California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Salt Springs Dam
Target entity description: Salt Springs Dam is a hydroelectric and water storage dam on the North Fork of the Mokelumne River in the Sierra Nevada of California.
  • A. Crystal Springs Dam
    Crystal Springs Dam is a historic concrete gravity dam in San Mateo County, California, that impounds water to create the Crystal Springs Reservoir as part of the San Francisco Peninsula’s water supply system.
  • B. Warm Springs Dam
    Warm Springs Dam is a large earth-fill dam in Sonoma County, California, that creates Lake Sonoma for water supply, flood control, and recreation on the Russian River system.
  • C. Brantley Dam
    Brantley Dam is a major flood-control and irrigation reservoir structure on the Pecos River in southeastern New Mexico.
  • D. Rollins Dam
    Rollins Dam is a concrete gravity dam in Nevada County, California, that creates Rollins Reservoir for water storage, hydroelectric power generation, and recreation on the Bear River.
  • E. Wells Dam
    Wells Dam is a hydroelectric dam on the Columbia River in Washington State, known for its distinctive hydrocombine design and role in regional power generation and fish passage.
  • 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_69ca84885e48819088a31b127cf44904 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cdec361c7c8190b8fd841d728d5bbe completed April 2, 2026, 4:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69d6f6d9da9c8190b77c248fb3731f30 completed April 9, 2026, 12:46 a.m.
NEDg Description generation batch_69d6fa2bb2ec8190aa099988a6c225eb completed April 9, 2026, 1 a.m.
NED2 Entity disambiguation (via description) batch_69d6fd10dbc08190a297073e1b737566 completed April 9, 2026, 1:12 a.m.
Created at: March 30, 2026, 9:08 p.m.