Triple

T5754594
Position Surface form Disambiguated ID Type / Status
Subject San Francisco Peninsula reservoir system E126933 entity
Predicate hasPart P35 FINISHED
Object 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.
E544521 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: Pilarcitos Reservoir | Statement: [San Francisco Peninsula reservoir system, hasPart, Pilarcitos Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pilarcitos Reservoir
Context triple: [San Francisco Peninsula reservoir system, hasPart, Pilarcitos Reservoir]
  • A. Carraízo reservoir
    Carraízo Reservoir is a major water storage lake in Puerto Rico that serves as a key source of drinking water and flood control for the San Juan metropolitan area.
  • B. Bargi Reservoir
    Bargi Reservoir is a large artificial lake in Madhya Pradesh, India, created by the Bargi Dam on the Narmada River and used for irrigation, hydropower, and water supply.
  • C. Los Molinos Lake
    Los Molinos Lake is an artificial reservoir and popular recreational and water-sports destination located in Córdoba Province, Argentina.
  • D. 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.
  • E. 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.
  • 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: Pilarcitos Reservoir
Triple: [San Francisco Peninsula reservoir system, hasPart, Pilarcitos Reservoir]
Generated description
Pilarcitos Reservoir is a key drinking water storage reservoir on the San Francisco Peninsula that helps supply water to the San Francisco Bay Area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pilarcitos Reservoir
Target entity description: Pilarcitos Reservoir is a key drinking water storage reservoir on the San Francisco Peninsula that helps supply water to the San Francisco Bay Area.
  • A. Carraízo reservoir
    Carraízo Reservoir is a major water storage lake in Puerto Rico that serves as a key source of drinking water and flood control for the San Juan metropolitan area.
  • B. Bargi Reservoir
    Bargi Reservoir is a large artificial lake in Madhya Pradesh, India, created by the Bargi Dam on the Narmada River and used for irrigation, hydropower, and water supply.
  • C. Los Molinos Lake
    Los Molinos Lake is an artificial reservoir and popular recreational and water-sports destination located in Córdoba Province, Argentina.
  • D. 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.
  • E. 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.
  • 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_69c00832aedc81909899801b141fa3b4 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02904dcf481909e4340a64ee1034e completed March 22, 2026, 5:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69c07e434aa88190b56e721c002d31b8 completed March 22, 2026, 11:41 p.m.
NEDg Description generation batch_69c08be0a25481908ae868b2364fcc68 completed March 23, 2026, 12:40 a.m.
NED2 Entity disambiguation (via description) batch_69c08c926fc88190a3a06081c1da364e completed March 23, 2026, 12:42 a.m.
Created at: March 22, 2026, 3:49 p.m.