Triple

T10307724
Position Surface form Disambiguated ID Type / Status
Subject East Park Reservoir E241807 entity
Predicate hasPart P35 FINISHED
Object East Park Dam
East Park Dam is an early 20th-century concrete arch dam in Colusa County, California, built as part of the Orland Project to provide irrigation water storage and flood control.
 E896407 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: East Park Dam | Statement: [East Park Reservoir, hasPart, East Park Dam]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: East Park Dam
Context triple: [East Park Reservoir, hasPart, East Park Dam]
  • A. Taylor Park Dam
    Taylor Park Dam is an earthfill dam on the Taylor River in Colorado, United States, built for irrigation storage, flood control, and recreation as part of the Uncompahgre Project.
  • B. Parker Dam
    Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
  • C. 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.
  • D. Oak Grove Dam
    Oak Grove Dam is a hydroelectric dam located on Oregon’s Clackamas River, used primarily for power generation and water management.
  • E. Forestville Dam
    Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: East Park Dam
Target entity description: East Park Dam is an early 20th-century concrete arch dam in Colusa County, California, built as part of the Orland Project to provide irrigation water storage and flood control.
  • A. Taylor Park Dam
    Taylor Park Dam is an earthfill dam on the Taylor River in Colorado, United States, built for irrigation storage, flood control, and recreation as part of the Uncompahgre Project.
  • B. Parker Dam
    Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
  • C. 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.
  • D. Oak Grove Dam
    Oak Grove Dam is a hydroelectric dam located on Oregon’s Clackamas River, used primarily for power generation and water management.
  • E. Forestville Dam
    Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: East Park Dam
Triple: [East Park Reservoir, hasPart, East Park Dam]
Generated description
East Park Dam is an early 20th-century concrete arch dam in Colusa County, California, built as part of the Orland Project to provide irrigation water storage and flood control.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d381ac38808190a8ca7457c85b625b elicitation completed
NER batch_69d4d328272c8190a3548d7f7f38cfc4 ner completed
NED1 batch_69e2d65fc0948190af4356fc9f5004bb ned_source_triple completed
NED2 batch_69e3260494bc81909e3dd4829697fb72 ned_description completed
NEDg batch_69e2ff1ddd2c8190b31f5007f7492a4e nedg completed
Created at: April 6, 2026, 11:46 a.m.