Triple

T9299786
Position Surface form Disambiguated ID Type / Status
Subject Tâmega River E223728 entity
Predicate hasDam P8736 FINISHED
Object Alto Tâmega Dam
The Alto Tâmega Dam is a hydroelectric dam in northern Portugal that forms part of the Tâmega River energy and water management system.
 E795989 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: Alto Tâmega Dam | Statement: [Tâmega River, hasDam, Alto Tâmega Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alto Tâmega Dam
Context triple: [Tâmega River, hasDam, Alto Tâmega Dam]
  • A. Gouvães Dam
    Gouvães Dam is a hydroelectric dam in northern Portugal that forms part of the Tâmega River energy complex, contributing to regional power generation and water management.
  • B. Alicurá Dam
    Alicurá Dam is a large hydroelectric dam in Argentina’s Patagonia region, known for forming the Alicurá Reservoir and generating power on the Limay River.
  • C. Valdecañas Dam
    Valdecañas Dam is a large hydroelectric and water-regulation dam on the Tagus River in Spain, known for forming the Valdecañas Reservoir used for power generation, irrigation, and recreation.
  • D. Barra Bonita Dam
    Barra Bonita Dam is a hydroelectric and navigation dam complex in the state of São Paulo, Brazil, known for regulating the Tietê River and forming the Barra Bonita Reservoir.
  • E. Alcántara Dam
    Alcántara Dam is a large hydroelectric dam on the Tagus River in western Spain, known for its significant role in power generation and water management.
  • 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: Alto Tâmega Dam
Triple: [Tâmega River, hasDam, Alto Tâmega Dam]
Generated description
The Alto Tâmega Dam is a hydroelectric dam in northern Portugal that forms part of the Tâmega River energy and water management system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Alto Tâmega Dam
Target entity description: The Alto Tâmega Dam is a hydroelectric dam in northern Portugal that forms part of the Tâmega River energy and water management system.
  • A. Gouvães Dam
    Gouvães Dam is a hydroelectric dam in northern Portugal that forms part of the Tâmega River energy complex, contributing to regional power generation and water management.
  • B. Alicurá Dam
    Alicurá Dam is a large hydroelectric dam in Argentina’s Patagonia region, known for forming the Alicurá Reservoir and generating power on the Limay River.
  • C. Valdecañas Dam
    Valdecañas Dam is a large hydroelectric and water-regulation dam on the Tagus River in Spain, known for forming the Valdecañas Reservoir used for power generation, irrigation, and recreation.
  • D. Barra Bonita Dam
    Barra Bonita Dam is a hydroelectric and navigation dam complex in the state of São Paulo, Brazil, known for regulating the Tietê River and forming the Barra Bonita Reservoir.
  • E. Alcántara Dam
    Alcántara Dam is a large hydroelectric dam on the Tagus River in western Spain, known for its significant role in power generation and water management.
  • 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_69ca8423edb08190bc0c91287a484768 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd08d070c881908bed41aada6f85ae completed April 1, 2026, noon
NED1 Entity disambiguation (via context triple) batch_69d100c0af508190bc2a7eaec78cef95 completed April 4, 2026, 12:14 p.m.
NEDg Description generation batch_69d1017a36e0819091bd6d7bc75d1a97 completed April 4, 2026, 12:18 p.m.
NED2 Entity disambiguation (via description) batch_69d10270f9948190bbf937089f88bacf completed April 4, 2026, 12:22 p.m.
Created at: March 30, 2026, 7:36 p.m.