Triple

T10077026
Position Surface form Disambiguated ID Type / Status
Subject El Sobrante, California E213790 entity
Predicate near P350 FINISHED
Object San Pablo Reservoir
San Pablo Reservoir is a large man-made lake and drinking water reservoir in the East Bay region of the San Francisco Bay Area, popular for fishing, boating, and outdoor recreation.
E840405 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 Pablo Reservoir | Statement: [El Sobrante, California, near, San Pablo Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San Pablo Reservoir
Context triple: [El Sobrante, California, near, San Pablo Reservoir]
  • A. El Pardo Reservoir
    El Pardo Reservoir is a dammed water body near Madrid, Spain, primarily used for water supply, flood control, and recreation along the Manzanares River.
  • B. San Vicente Reservoir
    San Vicente Reservoir is a major water storage lake in San Diego County, California, used for municipal water supply and popular for recreational activities like boating and fishing.
  • C. Los Barreales Reservoir
    Los Barreales Reservoir is an artificial lake in Argentina’s Neuquén Province, created on the Neuquén River and known for hydroelectric use, water regulation, and nearby paleontological sites.
  • 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. 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: San Pablo Reservoir
Triple: [El Sobrante, California, near, San Pablo Reservoir]
Generated description
San Pablo Reservoir is a large man-made lake and drinking water reservoir in the East Bay region of the San Francisco Bay Area, popular for fishing, boating, and outdoor recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: San Pablo Reservoir
Target entity description: San Pablo Reservoir is a large man-made lake and drinking water reservoir in the East Bay region of the San Francisco Bay Area, popular for fishing, boating, and outdoor recreation.
  • A. El Pardo Reservoir
    El Pardo Reservoir is a dammed water body near Madrid, Spain, primarily used for water supply, flood control, and recreation along the Manzanares River.
  • B. San Vicente Reservoir
    San Vicente Reservoir is a major water storage lake in San Diego County, California, used for municipal water supply and popular for recreational activities like boating and fishing.
  • C. Los Barreales Reservoir
    Los Barreales Reservoir is an artificial lake in Argentina’s Neuquén Province, created on the Neuquén River and known for hydroelectric use, water regulation, and nearby paleontological sites.
  • 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. 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_69ca839bf730819086900c323c9b8c95 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cdd02f47e08190bfeb641b202beecc completed April 2, 2026, 2:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69d2b649b7488190ad765d4ee6eac5d7 completed April 5, 2026, 7:21 p.m.
NEDg Description generation batch_69d2b78f3c248190b104937e2d669882 completed April 5, 2026, 7:27 p.m.
NED2 Entity disambiguation (via description) batch_69d2b84a26a481908ab2705d5883cfce completed April 5, 2026, 7:30 p.m.
Created at: March 30, 2026, 8:59 p.m.