Triple

T4957219
Position Surface form Disambiguated ID Type / Status
Subject South Fork American River E111313 entity
Predicate hasReservoir P1025 FINISHED
Object Chili Bar Reservoir
Chili Bar Reservoir is a small man-made lake in El Dorado County, California, popular for whitewater recreation and formed by a dam on the South Fork of the American River.
E509980 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: Chili Bar Reservoir | Statement: [South Fork American River, hasReservoir, Chili Bar Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chili Bar Reservoir
Context triple: [South Fork American River, hasReservoir, Chili Bar Reservoir]
  • A. Wheeler Reservoir
    Wheeler Reservoir is a large man-made lake on the Tennessee River in northern Alabama, created by Wheeler Dam and used for hydroelectric power, navigation, recreation, and wildlife habitat.
  • B. C. J. Brown Reservoir
    C. J. Brown Reservoir is a man-made lake in Ohio known for boating, fishing, and serving as the centerpiece of Buck Creek State Park.
  • C. 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.
  • D. Canistear Reservoir
    Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
  • E. Chew Reservoir
    Chew Reservoir is a man-made upland water reservoir in the Peak District area of England, known for its moorland surroundings and role in regional water supply.
  • 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: Chili Bar Reservoir
Triple: [South Fork American River, hasReservoir, Chili Bar Reservoir]
Generated description
Chili Bar Reservoir is a small man-made lake in El Dorado County, California, popular for whitewater recreation and formed by a dam on the South Fork of the American River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chili Bar Reservoir
Target entity description: Chili Bar Reservoir is a small man-made lake in El Dorado County, California, popular for whitewater recreation and formed by a dam on the South Fork of the American River.
  • A. Wheeler Reservoir
    Wheeler Reservoir is a large man-made lake on the Tennessee River in northern Alabama, created by Wheeler Dam and used for hydroelectric power, navigation, recreation, and wildlife habitat.
  • B. C. J. Brown Reservoir
    C. J. Brown Reservoir is a man-made lake in Ohio known for boating, fishing, and serving as the centerpiece of Buck Creek State Park.
  • C. 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.
  • D. Canistear Reservoir
    Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
  • E. Chew Reservoir
    Chew Reservoir is a man-made upland water reservoir in the Peak District area of England, known for its moorland surroundings and role in regional water supply.
  • 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_69bd4418390c8190b7e9766a2512ce55 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd71d6ba9c8190932f8d81240c3f56 completed March 20, 2026, 4:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf10b0ec0c8190bcd4503dd09667c7 completed March 21, 2026, 9:42 p.m.
NEDg Description generation batch_69bf117894d481909817346060a28d07 completed March 21, 2026, 9:45 p.m.
NED2 Entity disambiguation (via description) batch_69bf1267a0a88190a558937fa7776ed7 completed March 21, 2026, 9:49 p.m.
Created at: March 20, 2026, 1:32 p.m.