Triple

T12136745
Position Surface form Disambiguated ID Type / Status
Subject Lake Housatonic E289076 entity
Predicate isReservoirFor P11309 FINISHED
Object Stevenson Dam Hydroelectric Plant
Stevenson Dam Hydroelectric Plant is a hydroelectric power station in Connecticut that generates electricity using water impounded by the Stevenson Dam on the Housatonic River.
E966533 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: Stevenson Dam Hydroelectric Plant | Statement: [Lake Housatonic, isReservoirFor, Stevenson Dam Hydroelectric Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Stevenson Dam Hydroelectric Plant
Context triple: [Lake Housatonic, isReservoirFor, Stevenson Dam Hydroelectric Plant]
  • A. Denison Dam Power Plant
    Denison Dam Power Plant is a hydroelectric generating facility located at Denison Dam on the Red River, producing renewable electricity from the dam’s reservoir outflows.
  • B. Pullinque Hydroelectric Plant
    Pullinque Hydroelectric Plant is a hydroelectric power facility in southern Chile that generates electricity using water resources associated with Pullinque Lake.
  • C. Nunn hydroelectric plant
    The Nunn hydroelectric plant is an early hydroelectric power station in Utah notable for pioneering long-distance high-voltage power transmission to support mining and regional development.
  • D. Beaver Dam Hydroelectric Plant
    Beaver Dam Hydroelectric Plant is a hydroelectric power facility in Arkansas that generates electricity using water impounded by Beaver Lake on the White River.
  • E. Shanan Power House
    Shanan Power House is a hydroelectric power station in Himachal Pradesh, India, that generates electricity using the waters of the Uhl River.
  • 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: Stevenson Dam Hydroelectric Plant
Triple: [Lake Housatonic, isReservoirFor, Stevenson Dam Hydroelectric Plant]
Generated description
Stevenson Dam Hydroelectric Plant is a hydroelectric power station in Connecticut that generates electricity using water impounded by the Stevenson Dam on the Housatonic River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Stevenson Dam Hydroelectric Plant
Target entity description: Stevenson Dam Hydroelectric Plant is a hydroelectric power station in Connecticut that generates electricity using water impounded by the Stevenson Dam on the Housatonic River.
  • A. Denison Dam Power Plant
    Denison Dam Power Plant is a hydroelectric generating facility located at Denison Dam on the Red River, producing renewable electricity from the dam’s reservoir outflows.
  • B. Pullinque Hydroelectric Plant
    Pullinque Hydroelectric Plant is a hydroelectric power facility in southern Chile that generates electricity using water resources associated with Pullinque Lake.
  • C. Nunn hydroelectric plant
    The Nunn hydroelectric plant is an early hydroelectric power station in Utah notable for pioneering long-distance high-voltage power transmission to support mining and regional development.
  • D. Beaver Dam Hydroelectric Plant
    Beaver Dam Hydroelectric Plant is a hydroelectric power facility in Arkansas that generates electricity using water impounded by Beaver Lake on the White River.
  • E. Shanan Power House
    Shanan Power House is a hydroelectric power station in Himachal Pradesh, India, that generates electricity using the waters of the Uhl River.
  • 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_69d6ab4b5e4c81909950b17151eb0951 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9158dd00c819082651891898b91bb completed April 10, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f68eab98819086a480a90312c3fe completed May 2, 2026, 1:05 p.m.
NEDg Description generation batch_69f6017f89d88190b766af7828794d87 completed May 2, 2026, 1:51 p.m.
NED2 Entity disambiguation (via description) batch_69f60232d89881909f254da6deb7f321 completed May 2, 2026, 1:54 p.m.
Created at: April 8, 2026, 9:49 p.m.