Triple

T19899505
Position Surface form Disambiguated ID Type / Status
Subject Río Nazas E478244 entity
Predicate hasDam P8736 FINISHED
Object Presa Lázaro Cárdenas — NE NERFINISHED

How this triple was built (3 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: Presa Lázaro Cárdenas | Statement: [Río Nazas, hasDam, Presa Lázaro Cárdenas]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Presa Lázaro Cárdenas
Context triple: [Río Nazas, hasDam, Presa Lázaro Cárdenas]
  • A. Presa Álvaro Obregón
    Presa Álvaro Obregón is a major reservoir and hydroelectric dam on the Yaqui River in Sonora, Mexico, used primarily for irrigation, water supply, and power generation.
  • B. Presa Miguel Alemán
    Presa Miguel Alemán is a large hydroelectric and irrigation dam and reservoir located in the state of Oaxaca, Mexico.
  • C. Presa Plutarco Elías Calles
    Presa Plutarco Elías Calles is a major reservoir and dam in the Mexican state of Aguascalientes, known for irrigation, hydroelectric generation, and recreational activities.
  • D. Presa Palo Bolero
    Presa Palo Bolero is a reservoir located in the municipality of Puente de Ixtla in the Mexican state of Morelos, used primarily for irrigation and local water management.
  • E. Morelos Dam
    Morelos Dam is a diversion dam on the lower Colorado River near the U.S.–Mexico border that channels water primarily for agricultural use in Mexico.
  • 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: Presa Lázaro Cárdenas
Target entity description: Presa Lázaro Cárdenas is a major Mexican dam and reservoir on the Nazas River, built primarily for irrigation, flood control, and regional water supply.
  • A. Presa Álvaro Obregón
    Presa Álvaro Obregón is a major reservoir and hydroelectric dam on the Yaqui River in Sonora, Mexico, used primarily for irrigation, water supply, and power generation.
  • B. Presa Miguel Alemán
    Presa Miguel Alemán is a large hydroelectric and irrigation dam and reservoir located in the state of Oaxaca, Mexico.
  • C. Presa Plutarco Elías Calles
    Presa Plutarco Elías Calles is a major reservoir and dam in the Mexican state of Aguascalientes, known for irrigation, hydroelectric generation, and recreational activities.
  • D. Presa Palo Bolero
    Presa Palo Bolero is a reservoir located in the municipality of Puente de Ixtla in the Mexican state of Morelos, used primarily for irrigation and local water management.
  • E. Morelos Dam
    Morelos Dam is a diversion dam on the lower Colorado River near the U.S.–Mexico border that channels water primarily for agricultural use in Mexico.
  • F. None of above. chosen

Provenance (2 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_69d8e520682081909892916424699bd5 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6593fbb348190afa7acf45af406ed completed April 20, 2026, 4:50 p.m.
Created at: April 10, 2026, 1:52 p.m.