Triple

T20209186
Position Surface form Disambiguated ID Type / Status
Subject Río Grijalva E493440 entity
Predicate formsReservoir P11309 FINISHED
Object Presa Peñitas
Presa Peñitas is a major hydroelectric dam and reservoir on the Grijalva River in southern Mexico, used for power generation, flood control, and water management.
 E1424146 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 Peñitas | Statement: [Río Grijalva, formsReservoir, Presa Peñitas]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Presa Peñitas
Context triple: [Río Grijalva, formsReservoir, Presa Peñitas]
  • A. Presa El Rodeo
    Presa El Rodeo is a reservoir located in the municipality of Puente de Ixtla in the Mexican state of Morelos, used primarily for irrigation, fishing, and local recreation.
  • 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 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.
  • D. Presa Lázaro Cárdenas
    Presa Lázaro Cárdenas is a major Mexican dam and reservoir on the Nazas River, built primarily for irrigation, flood control, and regional water supply.
  • E. Presa El Novillo
    Presa El Novillo is a major hydroelectric and irrigation dam located on the Yaqui River in the state of Sonora, Mexico.
  • 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 Peñitas
Triple: [Río Grijalva, formsReservoir, Presa Peñitas]
Generated description
Presa Peñitas is a major hydroelectric dam and reservoir on the Grijalva River in southern Mexico, used for power generation, flood control, and water management.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Presa Peñitas
Target entity description: Presa Peñitas is a major hydroelectric dam and reservoir on the Grijalva River in southern Mexico, used for power generation, flood control, and water management.
  • A. Presa El Rodeo
    Presa El Rodeo is a reservoir located in the municipality of Puente de Ixtla in the Mexican state of Morelos, used primarily for irrigation, fishing, and local recreation.
  • 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 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.
  • D. Presa Lázaro Cárdenas
    Presa Lázaro Cárdenas is a major Mexican dam and reservoir on the Nazas River, built primarily for irrigation, flood control, and regional water supply.
  • E. Presa El Novillo
    Presa El Novillo is a major hydroelectric and irrigation dam located on the Yaqui River in the state of Sonora, Mexico.
  • 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_69da6269614c8190bb40475d9d477358 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e66d94999c8190b67051cb0acea213 completed April 20, 2026, 6:16 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0861082ed08190b6a2d603422c815e completed May 16, 2026, 12:20 p.m.
NEDg Description generation batch_6a086231b440819087671c5c61adcdc6 completed May 16, 2026, 12:25 p.m.
NED2 Entity disambiguation (via description) batch_6a08635869148190992d75a8806f767c completed May 16, 2026, 12:30 p.m.
Created at: April 11, 2026, 11:38 p.m.