Triple

T20209217
Position Surface form Disambiguated ID Type / Status
Subject Malpaso Dam E493441 entity
Predicate formsReservoir P11309 FINISHED
Object Nezahualcóyotl Reservoir
Nezahualcóyotl Reservoir is a large artificial lake in Chiapas, Mexico, created for hydroelectric power generation and flood control.
E1417918 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: Nezahualcóyotl Reservoir | Statement: [Malpaso Dam, formsReservoir, Nezahualcóyotl Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nezahualcóyotl Reservoir
Context triple: [Malpaso Dam, formsReservoir, Nezahualcóyotl Reservoir]
  • A. Chicoasén Reservoir
    Chicoasén Reservoir is a large artificial lake in Chiapas, Mexico, formed by the Chicoasén Dam on the Grijalva River and used primarily for hydroelectric power generation and water management.
  • B. Alarcón Reservoir
    Alarcón Reservoir is a major artificial lake in Spain used for water storage, irrigation, and hydroelectric power generation along the Júcar River.
  • C. San Carlos Reservoir
    San Carlos Reservoir is a large artificial lake on the Gila River in Arizona, primarily used for irrigation, flood control, and recreation.
  • D. Cornalvo Reservoir
    Cornalvo Reservoir is an ancient Roman-built dam and water reservoir in Extremadura, Spain, renowned for its historical engineering and role in supplying water to the city of Mérida.
  • E. Contreras Reservoir
    Contreras Reservoir is a major artificial lake in Spain used for water storage, hydroelectric power generation, and flood control along the Júcar River 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: Nezahualcóyotl Reservoir
Triple: [Malpaso Dam, formsReservoir, Nezahualcóyotl Reservoir]
Generated description
Nezahualcóyotl Reservoir is a large artificial lake in Chiapas, Mexico, created for hydroelectric power generation and flood control.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nezahualcóyotl Reservoir
Target entity description: Nezahualcóyotl Reservoir is a large artificial lake in Chiapas, Mexico, created for hydroelectric power generation and flood control.
  • A. Chicoasén Reservoir chosen
    Chicoasén Reservoir is a large artificial lake in Chiapas, Mexico, formed by the Chicoasén Dam on the Grijalva River and used primarily for hydroelectric power generation and water management.
  • B. Alarcón Reservoir
    Alarcón Reservoir is a major artificial lake in Spain used for water storage, irrigation, and hydroelectric power generation along the Júcar River.
  • C. San Carlos Reservoir
    San Carlos Reservoir is a large artificial lake on the Gila River in Arizona, primarily used for irrigation, flood control, and recreation.
  • D. Cornalvo Reservoir
    Cornalvo Reservoir is an ancient Roman-built dam and water reservoir in Extremadura, Spain, renowned for its historical engineering and role in supplying water to the city of Mérida.
  • E. Contreras Reservoir
    Contreras Reservoir is a major artificial lake in Spain used for water storage, hydroelectric power generation, and flood control along the Júcar River basin.
  • F. None of above.

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_6a084b8289408190a5907b9d2b5b8b44 completed May 16, 2026, 10:48 a.m.
NEDg Description generation batch_6a084c5618f08190a1e83378dae4ed87 completed May 16, 2026, 10:52 a.m.
NED2 Entity disambiguation (via description) batch_6a084c99487c81908dd132f118846f0c completed May 16, 2026, 10:53 a.m.
Created at: April 11, 2026, 11:38 p.m.