Triple

T12034170
Position Surface form Disambiguated ID Type / Status
Subject Río Yaqui E286490 entity
Predicate hasMajorDam P8736 FINISHED
Object 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.
 E961806 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: Presa Álvaro Obregón | Statement: [Río Yaqui, hasMajorDam, Presa Álvaro Obregón]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Presa Álvaro Obregón
Context triple: [Río Yaqui, hasMajorDam, Presa Álvaro Obregón]
  • A. Zimapán Dam
    Zimapán Dam is a major hydroelectric dam in central Mexico known for generating power and forming the Zimapán Reservoir on the Moctezuma River.
  • B. Chicoasén Dam
    Chicoasén Dam is a major hydroelectric dam in Chiapas, Mexico, known as one of the largest power-generating facilities in the country.
  • C. Vicente Guerrero Dam
    Vicente Guerrero Dam is a major reservoir and hydraulic infrastructure project in the Mexican state of Tamaulipas, primarily used for water supply, irrigation, and flood control.
  • D. San Carlos Dam
    San Carlos Dam is a major concrete gravity dam in Arizona that creates San Carlos Lake and provides irrigation water, flood control, and hydroelectric power along the Gila River.
  • E. San Luis Dam
    San Luis Dam is a major earthfill embankment dam in California that impounds the San Luis Reservoir, one of the largest off-stream storage reservoirs in the United States.
  • 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: Presa Álvaro Obregón
Triple: [Río Yaqui, hasMajorDam, Presa Álvaro Obregón]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Presa Álvaro Obregón
Target entity description: 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.
  • A. Zimapán Dam
    Zimapán Dam is a major hydroelectric dam in central Mexico known for generating power and forming the Zimapán Reservoir on the Moctezuma River.
  • B. Chicoasén Dam
    Chicoasén Dam is a major hydroelectric dam in Chiapas, Mexico, known as one of the largest power-generating facilities in the country.
  • C. Vicente Guerrero Dam
    Vicente Guerrero Dam is a major reservoir and hydraulic infrastructure project in the Mexican state of Tamaulipas, primarily used for water supply, irrigation, and flood control.
  • D. San Carlos Dam
    San Carlos Dam is a major concrete gravity dam in Arizona that creates San Carlos Lake and provides irrigation water, flood control, and hydroelectric power along the Gila River.
  • E. San Luis Dam
    San Luis Dam is a major earthfill embankment dam in California that impounds the San Luis Reservoir, one of the largest off-stream storage reservoirs in the United States.
  • 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_69d6ab4669e48190b59246358b0383ab completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9040724ec8190808f334013ddc6d6 completed April 10, 2026, 2:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69f49d6ec4b8819093ff50254a851444 completed May 1, 2026, 12:32 p.m.
NEDg Description generation batch_69f53d930714819080f92d223d930389 completed May 1, 2026, 11:56 p.m.
NED2 Entity disambiguation (via description) batch_69f564d2b4348190abf2d09ae00aea37 completed May 2, 2026, 2:43 a.m.
Created at: April 8, 2026, 9:47 p.m.