Triple

T12142952
Position Surface form Disambiguated ID Type / Status
Subject Crowley Lake E289237 entity
Predicate formedBy P972 FINISHED
Object Long Valley Dam
Long Valley Dam is a concrete arch dam in Mono County, California, that impounds the Owens River to create Crowley Lake for water storage, hydroelectric power, and recreation.
E1063024 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: Long Valley Dam | Statement: [Crowley Lake, formedBy, Long Valley Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Long Valley Dam
Context triple: [Crowley Lake, formedBy, Long Valley Dam]
  • A. Island Park Dam
    Island Park Dam is an earthfill dam on the Henrys Fork of the Snake River in eastern Idaho, primarily used for irrigation water storage and flood control.
  • B. Hollywood Dam
    Hollywood Dam is a concrete arch-gravity dam in the Hollywood Hills of Los Angeles that impounds the Hollywood Reservoir as part of the city’s water supply system.
  • C. Cannonsville Dam
    Cannonsville Dam is a large earth-fill dam in Delaware County, New York, that impounds the West Branch of the Delaware River as part of New York City's upstate water supply system.
  • D. Palisade Dam
    Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
  • E. Castaic Dam
    Castaic Dam is a large embankment dam in Los Angeles County, California, that forms Castaic Lake and plays a key role in water storage and hydroelectric power generation for Southern California.
  • 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: Long Valley Dam
Triple: [Crowley Lake, formedBy, Long Valley Dam]
Generated description
Long Valley Dam is a concrete arch dam in Mono County, California, that impounds the Owens River to create Crowley Lake for water storage, hydroelectric power, and recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Long Valley Dam
Target entity description: Long Valley Dam is a concrete arch dam in Mono County, California, that impounds the Owens River to create Crowley Lake for water storage, hydroelectric power, and recreation.
  • A. Island Park Dam
    Island Park Dam is an earthfill dam on the Henrys Fork of the Snake River in eastern Idaho, primarily used for irrigation water storage and flood control.
  • B. Hollywood Dam
    Hollywood Dam is a concrete arch-gravity dam in the Hollywood Hills of Los Angeles that impounds the Hollywood Reservoir as part of the city’s water supply system.
  • C. Cannonsville Dam
    Cannonsville Dam is a large earth-fill dam in Delaware County, New York, that impounds the West Branch of the Delaware River as part of New York City's upstate water supply system.
  • D. Palisade Dam
    Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
  • E. Castaic Dam
    Castaic Dam is a large embankment dam in Los Angeles County, California, that forms Castaic Lake and plays a key role in water storage and hydroelectric power generation for Southern California.
  • 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_69d6ab4c6710819097a9d228382dde43 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d915a9838081909622cc14df2a2582 completed April 10, 2026, 3:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7b8bcbb34819088c21d79357eef8a completed May 3, 2026, 9:06 p.m.
NEDg Description generation batch_69f7b974fce88190ace5030555b7b5f1 completed May 3, 2026, 9:09 p.m.
NED2 Entity disambiguation (via description) batch_69f7ba936c4481908757699ff22d3904 completed May 3, 2026, 9:13 p.m.
Created at: April 8, 2026, 9:49 p.m.