Triple

T5774081
Position Surface form Disambiguated ID Type / Status
Subject Tejo E127395 entity
Predicate hasNotableStructure P105 FINISHED
Object 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.
E566848 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: Alcántara Dam | Statement: [Tejo, hasNotableStructure, Alcántara Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Alcántara Dam
Context triple: [Tejo, hasNotableStructure, Alcántara Dam]
  • A. San Roque Dam
    San Roque Dam is one of the largest dams in the Philippines, serving as a major source of hydroelectric power, irrigation, and flood control in the Luzon region.
  • B. Piedra del Águila Dam
    Piedra del Águila Dam is a major hydroelectric dam in Argentine Patagonia, known for its large power-generating capacity and role in regulating the Limay River.
  • C. Don Pedro Dam
    Don Pedro Dam is a major embankment dam on the Tuolumne River in California, forming Don Pedro Reservoir and serving as a key source of water storage, hydroelectric power, and recreation in the region.
  • 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. 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.
  • 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: Alcántara Dam
Triple: [Tejo, hasNotableStructure, Alcántara Dam]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Alcántara Dam
Target entity description: 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.
  • A. San Roque Dam
    San Roque Dam is one of the largest dams in the Philippines, serving as a major source of hydroelectric power, irrigation, and flood control in the Luzon region.
  • B. Piedra del Águila Dam
    Piedra del Águila Dam is a major hydroelectric dam in Argentine Patagonia, known for its large power-generating capacity and role in regulating the Limay River.
  • C. Don Pedro Dam
    Don Pedro Dam is a major embankment dam on the Tuolumne River in California, forming Don Pedro Reservoir and serving as a key source of water storage, hydroelectric power, and recreation in the region.
  • 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. 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.
  • 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_69c008361fa88190aefa4dc41b051e7f completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c029af681081908276e99c568561ce completed March 22, 2026, 5:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69c11ca837848190aace9f7d6109bff7 completed March 23, 2026, 10:57 a.m.
NEDg Description generation batch_69c11d9102648190a61e9a85ead0fff4 completed March 23, 2026, 11:01 a.m.
NED2 Entity disambiguation (via description) batch_69c11e76f5c48190adabb10472729cb2 completed March 23, 2026, 11:05 a.m.
Created at: March 22, 2026, 3:50 p.m.