Triple

T9525755
Position Surface form Disambiguated ID Type / Status
Subject Dambusters Raid sites E229755 entity
Predicate hasPart P35 FINISHED
Object Lister Dam
Lister Dam is a historic British dam notable for its role as one of the targets associated with the World War II Dambusters Raid.
 E845355 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: Lister Dam | Statement: [Dambusters Raid sites, hasPart, Lister 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: Lister Dam
Context triple: [Dambusters Raid sites, hasPart, Lister Dam]
  • A. Belver Dam
    Belver Dam is a hydroelectric dam on the Tagus River in Portugal, used primarily for power generation and river flow regulation.
  • B. Merwin Dam
    Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
  • C. Tieton Dam
    Tieton Dam is a concrete multiple-arch dam in central Washington State that provides irrigation water storage, flood control, and hydroelectric power as part of the U.S. Bureau of Reclamation’s Yakima River basin developments.
  • D. Milner Dam
    Milner Dam is an early 20th-century irrigation and hydroelectric dam on the Snake River in southern Idaho that helps divert water for agriculture and power generation.
  • E. Denison Dam
    Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
  • 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: Lister Dam
Target entity description: Lister Dam is a historic British dam notable for its role as one of the targets associated with the World War II Dambusters Raid.
  • A. Belver Dam
    Belver Dam is a hydroelectric dam on the Tagus River in Portugal, used primarily for power generation and river flow regulation.
  • B. Merwin Dam
    Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
  • C. Tieton Dam
    Tieton Dam is a concrete multiple-arch dam in central Washington State that provides irrigation water storage, flood control, and hydroelectric power as part of the U.S. Bureau of Reclamation’s Yakima River basin developments.
  • D. Milner Dam
    Milner Dam is an early 20th-century irrigation and hydroelectric dam on the Snake River in southern Idaho that helps divert water for agriculture and power generation.
  • E. Denison Dam
    Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
  • 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: Lister Dam
Triple: [Dambusters Raid sites, hasPart, Lister Dam]
Generated description
Lister Dam is a historic British dam notable for its role as one of the targets associated with the World War II Dambusters Raid.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69ca847870a881909d8d751a7d29da39 elicitation completed
NER batch_69cd989b529c81909ee18dd3d468c816 ner completed
NED1 batch_69d2ffd03dac81909f6c91afb8d49521 ned_source_triple completed
NED2 batch_69d302978e808190a9f5371a2bf4abce ned_description completed
NEDg batch_69d301dd614481909b357f319ba5e876 nedg completed
Created at: March 30, 2026, 7:59 p.m.