Triple

T6248986
Position Surface form Disambiguated ID Type / Status
Subject South Platte River E139995 entity
Predicate hasReservoir P1025 FINISHED
Object Chatfield Reservoir
Chatfield Reservoir is a large multipurpose lake in Colorado known for flood control, water storage, and outdoor recreation such as boating, fishing, and camping.
E598636 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: Chatfield Reservoir | Statement: [South Platte River, hasReservoir, Chatfield Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chatfield Reservoir
Context triple: [South Platte River, hasReservoir, Chatfield Reservoir]
  • A. Clinton Reservoir
    Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
  • B. Patterson Reservoir
    Patterson Reservoir is a water storage facility in California that forms part of the State Water Project’s South Bay Aqueduct system.
  • C. Wilson Reservoir
    Wilson Reservoir is a man-made lake on the Tennessee River in Alabama, created by Wilson Dam, that serves as a key resource for hydroelectric power, navigation, and recreation.
  • D. W. Kerr Scott Reservoir
    W. Kerr Scott Reservoir is a man-made lake in North Carolina known for recreation such as boating, fishing, and camping, as well as flood control and water supply functions.
  • E. Fengman Reservoir
    Fengman Reservoir is a major artificial lake and hydroelectric reservoir on the upper Songhua River in Jilin Province, China, known for its role in power generation, flood control, and 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: Chatfield Reservoir
Triple: [South Platte River, hasReservoir, Chatfield Reservoir]
Generated description
Chatfield Reservoir is a large multipurpose lake in Colorado known for flood control, water storage, and outdoor recreation such as boating, fishing, and camping.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chatfield Reservoir
Target entity description: Chatfield Reservoir is a large multipurpose lake in Colorado known for flood control, water storage, and outdoor recreation such as boating, fishing, and camping.
  • A. Clinton Reservoir
    Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
  • B. Patterson Reservoir
    Patterson Reservoir is a water storage facility in California that forms part of the State Water Project’s South Bay Aqueduct system.
  • C. Wilson Reservoir
    Wilson Reservoir is a man-made lake on the Tennessee River in Alabama, created by Wilson Dam, that serves as a key resource for hydroelectric power, navigation, and recreation.
  • D. W. Kerr Scott Reservoir
    W. Kerr Scott Reservoir is a man-made lake in North Carolina known for recreation such as boating, fishing, and camping, as well as flood control and water supply functions.
  • E. Fengman Reservoir
    Fengman Reservoir is a major artificial lake and hydroelectric reservoir on the upper Songhua River in Jilin Province, China, known for its role in power generation, flood control, and 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_69c008b4858c819095b0199114a9a87b completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0633c5f2081909b0246e061f8a7d9 completed March 22, 2026, 9:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69c67c3b6cdc8190ad9e10957e301a57 completed March 27, 2026, 12:46 p.m.
NEDg Description generation batch_69c67cb5b2a48190b04709f80c98d77d completed March 27, 2026, 12:48 p.m.
NED2 Entity disambiguation (via description) batch_69c67dfc51048190adeccd569c85da85 completed March 27, 2026, 12:54 p.m.
Created at: March 22, 2026, 4:24 p.m.