Triple

T7383687
Position Surface form Disambiguated ID Type / Status
Subject San Diego River E170325 entity
Predicate hasReservoir P1025 FINISHED
Object El Capitan Reservoir
El Capitan Reservoir is a large man-made lake in San Diego County, California, primarily used for municipal water supply and recreational activities such as fishing and boating.
E676475 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: El Capitan Reservoir | Statement: [San Diego River, hasReservoir, El Capitan Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: El Capitan Reservoir
Context triple: [San Diego River, hasReservoir, El Capitan Reservoir]
  • A. Calaveras Reservoir
    Calaveras Reservoir is a major water storage reservoir in California’s Diablo Range that supplies drinking water to the San Francisco Bay Area.
  • B. Briones Reservoir
    Briones Reservoir is a man-made lake in Contra Costa County, California, used for water supply and recreational activities such as rowing.
  • C. Hollywood Reservoir
    Hollywood Reservoir is a man-made lake in the Hollywood Hills of Los Angeles, known for its scenic walking paths and iconic views of the Hollywood Sign.
  • D. Round Valley Reservoir
    Round Valley Reservoir is a large man-made lake in New Jersey known for its deep, clear waters, recreational fishing, boating, and surrounding wilderness areas.
  • E. Martinez Reservoir
    Martinez Reservoir is a man-made water storage facility in Contra Costa County, California, used for municipal and irrigation supply as part of the region’s canal and water management system.
  • 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: El Capitan Reservoir
Triple: [San Diego River, hasReservoir, El Capitan Reservoir]
Generated description
El Capitan Reservoir is a large man-made lake in San Diego County, California, primarily used for municipal water supply and recreational activities such as fishing and boating.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: El Capitan Reservoir
Target entity description: El Capitan Reservoir is a large man-made lake in San Diego County, California, primarily used for municipal water supply and recreational activities such as fishing and boating.
  • A. Calaveras Reservoir
    Calaveras Reservoir is a major water storage reservoir in California’s Diablo Range that supplies drinking water to the San Francisco Bay Area.
  • B. Briones Reservoir
    Briones Reservoir is a man-made lake in Contra Costa County, California, used for water supply and recreational activities such as rowing.
  • C. Hollywood Reservoir
    Hollywood Reservoir is a man-made lake in the Hollywood Hills of Los Angeles, known for its scenic walking paths and iconic views of the Hollywood Sign.
  • D. Round Valley Reservoir
    Round Valley Reservoir is a large man-made lake in New Jersey known for its deep, clear waters, recreational fishing, boating, and surrounding wilderness areas.
  • E. Martinez Reservoir
    Martinez Reservoir is a man-made water storage facility in Contra Costa County, California, used for municipal and irrigation supply as part of the region’s canal and water management system.
  • 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_69c68a5d0ed08190b6d361e68f813330 completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f1cb0b8881908132383c0efb0503 completed March 27, 2026, 9:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69c86829f0788190828f5fb659e311d0 completed March 28, 2026, 11:45 p.m.
NEDg Description generation batch_69c868b0ee2081908bb0d43a68024b6f completed March 28, 2026, 11:48 p.m.
NED2 Entity disambiguation (via description) batch_69c869c54ad08190ba42231080d0e9f3 completed March 28, 2026, 11:52 p.m.
Created at: March 27, 2026, 3:08 p.m.