Triple

T3605819
Position Surface form Disambiguated ID Type / Status
Subject Columbia River Treaty E76366 entity
Predicate appliesTo P1129 FINISHED
Object Arrow Lakes reservoir
Arrow Lakes reservoir is a large hydroelectric and flood-control reservoir on the Columbia River in British Columbia, Canada, created by dams built under the Columbia River Treaty.
 E375155 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: Arrow Lakes reservoir | Statement: [Columbia River Treaty, appliesTo, Arrow Lakes reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Arrow Lakes reservoir
Context triple: [Columbia River Treaty, appliesTo, Arrow Lakes reservoir]
  • A. Don Pedro Reservoir
    Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
  • 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. 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.
  • D. 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.
  • E. Kama Reservoir
    Kama Reservoir is a large artificial lake in Russia formed by damming the Kama River, used primarily for hydroelectric power generation, navigation, and water regulation.
  • 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: Arrow Lakes reservoir
Triple: [Columbia River Treaty, appliesTo, Arrow Lakes reservoir]
Generated description
Arrow Lakes reservoir is a large hydroelectric and flood-control reservoir on the Columbia River in British Columbia, Canada, created by dams built under the Columbia River Treaty.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Arrow Lakes reservoir
Target entity description: Arrow Lakes reservoir is a large hydroelectric and flood-control reservoir on the Columbia River in British Columbia, Canada, created by dams built under the Columbia River Treaty.
  • A. Don Pedro Reservoir
    Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
  • 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. 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.
  • D. 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.
  • E. Kama Reservoir
    Kama Reservoir is a large artificial lake in Russia formed by damming the Kama River, used primarily for hydroelectric power generation, navigation, and water regulation.
  • 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_69ad85d93dcc819094fba90cf70f4996 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc1e1f9188190b481c26b7f561db7 completed March 8, 2026, 6:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69b44f02b3c081909705e05ac923f840 completed March 13, 2026, 5:53 p.m.
NEDg Description generation batch_69b451b2d8d081909ba496e70d92a295 completed March 13, 2026, 6:04 p.m.
NED2 Entity disambiguation (via description) batch_69b456c7c0c48190aba2abcff4267122 completed March 13, 2026, 6:26 p.m.
Created at: March 8, 2026, 3:22 p.m.