Triple

T11879648
Position Surface form Disambiguated ID Type / Status
Subject Ebro basin E282621 entity
Predicate hasMajorReservoir P13043 FINISHED
Object Mequinenza Reservoir
Mequinenza Reservoir is a large artificial lake in northeastern Spain formed by damming the Ebro River, known for hydroelectric power generation, fishing, and water sports.
 E988968 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: Mequinenza Reservoir | Statement: [Ebro basin, hasMajorReservoir, Mequinenza Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mequinenza Reservoir
Context triple: [Ebro basin, hasMajorReservoir, Mequinenza Reservoir]
  • A. Don Pedro Reservoir
    Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
  • B. Vasona Reservoir
    Vasona Reservoir is a man-made lake in Los Gatos, California, popular for recreation such as boating, fishing, and picnicking within Vasona Lake County Park.
  • C. La Mesa Reservoir
    La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
  • D. Canistear Reservoir
    Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
  • E. Yesa Reservoir
    Yesa Reservoir is a large artificial lake on the Aragón River in northern Spain, known for water supply, irrigation, and hydroelectric power within the Ebro basin.
  • 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: Mequinenza Reservoir
Triple: [Ebro basin, hasMajorReservoir, Mequinenza Reservoir]
Generated description
Mequinenza Reservoir is a large artificial lake in northeastern Spain formed by damming the Ebro River, known for hydroelectric power generation, fishing, and water sports.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mequinenza Reservoir
Target entity description: Mequinenza Reservoir is a large artificial lake in northeastern Spain formed by damming the Ebro River, known for hydroelectric power generation, fishing, and water sports.
  • A. Don Pedro Reservoir
    Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
  • B. Vasona Reservoir
    Vasona Reservoir is a man-made lake in Los Gatos, California, popular for recreation such as boating, fishing, and picnicking within Vasona Lake County Park.
  • C. La Mesa Reservoir
    La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
  • D. Canistear Reservoir
    Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
  • E. Yesa Reservoir
    Yesa Reservoir is a large artificial lake on the Aragón River in northern Spain, known for water supply, irrigation, and hydroelectric power within the Ebro basin.
  • 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_69d6ab2945d081908a5851c916cbcfb5 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8be1cad5c8190a45dfb0f0cc2a512 completed April 10, 2026, 9:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69f655515be48190a0793eef7b016852 completed May 2, 2026, 7:49 p.m.
NEDg Description generation batch_69f6566dccc0819085e059c7b0288f6c completed May 2, 2026, 7:54 p.m.
NED2 Entity disambiguation (via description) batch_69f657aa1bf48190a884e0dfce31e30e completed May 2, 2026, 7:59 p.m.
Created at: April 8, 2026, 9:44 p.m.