Triple

T5851001
Position Surface form Disambiguated ID Type / Status
Subject Alberche River E130028 entity
Predicate hasDam P8736 FINISHED
Object San Juan Reservoir
San Juan Reservoir is a major artificial lake in central Spain, popular for water sports, recreation, and supplying water and hydroelectric power to the surrounding region.
 E576590 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: San Juan Reservoir | Statement: [Alberche River, hasDam, San Juan Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Juan Reservoir
Context triple: [Alberche River, hasDam, San Juan Reservoir]
  • A. La Mesa Reservoir
    La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
  • B. San Luis Reservoir
    San Luis Reservoir is a large artificial lake in California that serves as a major water storage facility for irrigation and municipal use in the state’s Central Valley.
  • C. La Paloma Reservoir
    La Paloma Reservoir is a major artificial lake in Chile’s Coquimbo Region, known for supporting irrigation and water supply in the Monte Patria area.
  • D. Don Pedro Reservoir
    Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
  • E. Abiquiu Reservoir
    Abiquiu Reservoir is a man-made lake in northern New Mexico known for its scenic desert landscape, recreational opportunities, and role in regional water storage and 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: San Juan Reservoir
Triple: [Alberche River, hasDam, San Juan Reservoir]
Generated description
San Juan Reservoir is a major artificial lake in central Spain, popular for water sports, recreation, and supplying water and hydroelectric power to the surrounding region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: San Juan Reservoir
Target entity description: San Juan Reservoir is a major artificial lake in central Spain, popular for water sports, recreation, and supplying water and hydroelectric power to the surrounding region.
  • A. La Mesa Reservoir
    La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
  • B. San Luis Reservoir
    San Luis Reservoir is a large artificial lake in California that serves as a major water storage facility for irrigation and municipal use in the state’s Central Valley.
  • C. La Paloma Reservoir
    La Paloma Reservoir is a major artificial lake in Chile’s Coquimbo Region, known for supporting irrigation and water supply in the Monte Patria area.
  • D. Don Pedro Reservoir
    Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
  • E. Abiquiu Reservoir
    Abiquiu Reservoir is a man-made lake in northern New Mexico known for its scenic desert landscape, recreational opportunities, and role in regional water storage and 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_69c0084de39081909eb34e6bed74215a completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c035176c8c81909e24d263e4feb664 completed March 22, 2026, 6:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c16e8061008190bab55d4f7cf38d04 completed March 23, 2026, 4:46 p.m.
NEDg Description generation batch_69c1e3029cbc8190bed9449ec60412c0 completed March 24, 2026, 1:04 a.m.
NED2 Entity disambiguation (via description) batch_69c1e42a4c848190bc3a9273d5a6e211 completed March 24, 2026, 1:08 a.m.
Created at: March 22, 2026, 3:55 p.m.