Triple

T5774159
Position Surface form Disambiguated ID Type / Status
Subject Tagus Basin E127397 entity
Predicate hasInfrastructure P2560 FINISHED
Object Torrejón-Tajo Dam
Torrejón-Tajo Dam is a major hydraulic structure on the Tagus River in Spain, used primarily for water regulation and hydroelectric power generation within the Tagus Basin.
 E551652 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: Torrejón-Tajo Dam | Statement: [Tagus Basin, hasInfrastructure, Torrejón-Tajo Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Torrejón-Tajo Dam
Context triple: [Tagus Basin, hasInfrastructure, Torrejón-Tajo 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. 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. 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.
  • D. Puente de Arganda
    Puente de Arganda is a bridge spanning the Jarama River in the Madrid region of Spain, serving as a key local crossing and transport link.
  • E. Pilarcitos Reservoir
    Pilarcitos Reservoir is a key drinking water storage reservoir on the San Francisco Peninsula that helps supply water to the San Francisco Bay Area.
  • 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: Torrejón-Tajo Dam
Triple: [Tagus Basin, hasInfrastructure, Torrejón-Tajo Dam]
Generated description
Torrejón-Tajo Dam is a major hydraulic structure on the Tagus River in Spain, used primarily for water regulation and hydroelectric power generation within the Tagus Basin.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Torrejón-Tajo Dam
Target entity description: Torrejón-Tajo Dam is a major hydraulic structure on the Tagus River in Spain, used primarily for water regulation and hydroelectric power generation within the Tagus Basin.
  • 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. 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. 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.
  • D. Puente de Arganda
    Puente de Arganda is a bridge spanning the Jarama River in the Madrid region of Spain, serving as a key local crossing and transport link.
  • E. Pilarcitos Reservoir
    Pilarcitos Reservoir is a key drinking water storage reservoir on the San Francisco Peninsula that helps supply water to the San Francisco Bay Area.
  • 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_69c029b0aa1c8190bf513212cfead33c completed March 22, 2026, 5:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0a17276648190b1fedfcc69d46b59 completed March 23, 2026, 2:12 a.m.
NEDg Description generation batch_69c0a1faf7d48190ad2d5f43ef37da82 completed March 23, 2026, 2:14 a.m.
NED2 Entity disambiguation (via description) batch_69c0a2e17cd88190a54f5166fe5c654a completed March 23, 2026, 2:18 a.m.
Created at: March 22, 2026, 3:50 p.m.