Triple

T1109429
Position Surface form Disambiguated ID Type / Status
Subject San Andreas Lake E25558 entity
Predicate locatedNorthOf P305 FINISHED
Object Crystal Springs Reservoir E71762 NE FINISHED

How this triple was built (2 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: Crystal Springs Reservoir | Statement: [San Andreas Lake, locatedNorthOf, Crystal Springs Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Crystal Springs Reservoir
Context triple: [San Andreas Lake, locatedNorthOf, Crystal Springs Reservoir]
  • A. Crystal Springs Reservoir chosen
    Crystal Springs Reservoir is a large artificial lake system on the San Francisco Peninsula that serves as a major drinking water source and scenic open-space area for the region.
  • B. Ice House Reservoir
    Ice House Reservoir is a popular alpine lake in California’s Sierra Nevada known for camping, boating, and fishing within the Eldorado National Forest.
  • C. Silver Lake Reservoir
    Silver Lake Reservoir is a man-made urban lake and surrounding recreational area in Los Angeles, California, known for its walking paths, scenic views, and role as a local water storage facility.
  • D. Hillview Reservoir
    Hillview Reservoir is a key New York City water storage facility that serves as the final holding basin for treated water before it enters the city’s distribution system.
  • E. Amawalk Reservoir
    Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69a49428d4448190b3b36991ceae87ce completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4ba045fd88190982e1c6278fb9ca3 completed March 1, 2026, 10:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac763d917881908b3981a95d901717 completed March 7, 2026, 7:02 p.m.
Created at: March 1, 2026, 7:43 p.m.