Triple

T11051872
Position Surface form Disambiguated ID Type / Status
Subject Boise River E261272 entity
Predicate hasDam P8736 FINISHED
Object Arrowrock Dam
Arrowrock Dam is an early 20th-century concrete arch dam in Idaho, notable for its role in irrigation, flood control, and hydroelectric power generation in the Boise River basin.
 E941243 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: Arrowrock Dam | Statement: [Boise River, hasDam, Arrowrock 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: Arrowrock Dam
Context triple: [Boise River, hasDam, Arrowrock Dam]
  • A. 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.
  • B. Cascade Dam
    Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
  • C. LaBarge Dam
    LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
  • D. Indian Valley Dam
    Indian Valley Dam is an earth-fill embankment dam in Lake County, California, that creates Indian Valley Reservoir for water storage, flood control, and recreation along Cache Creek.
  • E. Sherman Dam
    Sherman Dam is a hydroelectric and flood-control structure located on the Deerfield River in the northeastern United States.
  • 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: Arrowrock Dam
Target entity description: Arrowrock Dam is an early 20th-century concrete arch dam in Idaho, notable for its role in irrigation, flood control, and hydroelectric power generation in the Boise River basin.
  • A. 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.
  • B. Cascade Dam
    Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
  • C. LaBarge Dam
    LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
  • D. Indian Valley Dam
    Indian Valley Dam is an earth-fill embankment dam in Lake County, California, that creates Indian Valley Reservoir for water storage, flood control, and recreation along Cache Creek.
  • E. Sherman Dam
    Sherman Dam is a hydroelectric and flood-control structure located on the Deerfield River in the northeastern United States.
  • 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: Arrowrock Dam
Triple: [Boise River, hasDam, Arrowrock Dam]
Generated description
Arrowrock Dam is an early 20th-century concrete arch dam in Idaho, notable for its role in irrigation, flood control, and hydroelectric power generation in the Boise River basin.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6aa98650481908609c7c56bfa7902 elicitation completed
NER batch_69d7986c0df88190b29d71db5538450a ner completed
NED1 batch_69ef8185c6e08190949020a80c24f2b8 ned_source_triple completed
NED2 batch_69efd64bfa7081909715aa64d80fadf3 ned_description completed
NEDg batch_69ef96ab29d48190b225504856007384 nedg completed
Created at: April 8, 2026, 9:26 p.m.