Triple

T6315318
Position Surface form Disambiguated ID Type / Status
Subject San Andreas Dam E141599 entity
Predicate waterSourceFor P4102 FINISHED
Object San Andreas Lake distribution system
The San Andreas Lake distribution system is a water supply network that conveys drinking water from San Andreas Lake and associated infrastructure to surrounding communities in the San Francisco Peninsula region.
E584943 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 Andreas Lake distribution system | Statement: [San Andreas Dam, waterSourceFor, San Andreas Lake distribution system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San Andreas Lake distribution system
Context triple: [San Andreas Dam, waterSourceFor, San Andreas Lake distribution system]
  • A. Contra Loma Reservoir
    Contra Loma Reservoir is a man-made lake and recreational area in Antioch, California, used for water storage, fishing, and outdoor activities.
  • B. Los Angeles Aqueduct
    The Los Angeles Aqueduct is a major early-20th-century water conveyance system that transports water from California’s Owens Valley to the city of Los Angeles, profoundly shaping the region’s growth and sparking enduring environmental and political controversies.
  • C. Perris Dam
    Perris Dam is a large earthfill embankment dam in Riverside County, California, that forms Lake Perris as part of the state’s major water storage and distribution system.
  • D. Colorado River Aqueduct
    The Colorado River Aqueduct is a major water conveyance system that transports Colorado River water across the desert to supply Southern California’s cities and agricultural areas.
  • E. South Bay Aqueduct
    South Bay Aqueduct is a major California water conveyance facility that transports water from the State Water Project to communities in the southern 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: San Andreas Lake distribution system
Triple: [San Andreas Dam, waterSourceFor, San Andreas Lake distribution system]
Generated description
The San Andreas Lake distribution system is a water supply network that conveys drinking water from San Andreas Lake and associated infrastructure to surrounding communities in the San Francisco Peninsula region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: San Andreas Lake distribution system
Target entity description: The San Andreas Lake distribution system is a water supply network that conveys drinking water from San Andreas Lake and associated infrastructure to surrounding communities in the San Francisco Peninsula region.
  • A. Contra Loma Reservoir
    Contra Loma Reservoir is a man-made lake and recreational area in Antioch, California, used for water storage, fishing, and outdoor activities.
  • B. Los Angeles Aqueduct
    The Los Angeles Aqueduct is a major early-20th-century water conveyance system that transports water from California’s Owens Valley to the city of Los Angeles, profoundly shaping the region’s growth and sparking enduring environmental and political controversies.
  • C. Perris Dam
    Perris Dam is a large earthfill embankment dam in Riverside County, California, that forms Lake Perris as part of the state’s major water storage and distribution system.
  • D. Colorado River Aqueduct
    The Colorado River Aqueduct is a major water conveyance system that transports Colorado River water across the desert to supply Southern California’s cities and agricultural areas.
  • E. South Bay Aqueduct
    South Bay Aqueduct is a major California water conveyance facility that transports water from the State Water Project to communities in the southern 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_69c008d13b8c8190be47d896eb735605 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c064a197488190946c4637b3c829a5 completed March 22, 2026, 9:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69c5e478987c819085df63dab784af2a completed March 27, 2026, 1:59 a.m.
NEDg Description generation batch_69c5f86226888190a8af3629ae55feff completed March 27, 2026, 3:24 a.m.
NED2 Entity disambiguation (via description) batch_69c5f8dc9114819095d41e0d0d260ee9 completed March 27, 2026, 3:26 a.m.
Created at: March 22, 2026, 4:28 p.m.