Triple

T4272220
Position Surface form Disambiguated ID Type / Status
Subject Parker Dam E96965 entity
Predicate managedBy P86 FINISHED
Object Lower Colorado Region of the Bureau of Reclamation
The Lower Colorado Region of the Bureau of Reclamation is a regional office of the U.S. Bureau of Reclamation responsible for managing water and power resources along the lower Colorado River and its associated infrastructure.
E427267 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: Lower Colorado Region of the Bureau of Reclamation | Statement: [Parker Dam, managedBy, Lower Colorado Region of the Bureau of Reclamation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lower Colorado Region of the Bureau of Reclamation
Context triple: [Parker Dam, managedBy, Lower Colorado Region of the Bureau of Reclamation]
  • A. Lower Colorado River region
    The Lower Colorado River region is an area along the lower course of the Colorado River in the southwestern United States and northwestern Mexico, traditionally inhabited by Indigenous peoples whose cultures and languages are part of the Yuman language family.
  • B. Colorado River Storage and Regulation System
    The Colorado River Storage and Regulation System is a network of dams, reservoirs, and related infrastructure designed to manage, store, and control the flow of the Colorado River for water supply, flood control, and hydroelectric power generation.
  • C. Bureau of Reclamation
    The Bureau of Reclamation is a U.S. federal agency responsible for managing water resources and operating dams, reservoirs, and irrigation projects primarily in the western United States.
  • D. Colorado River Basin
    The Colorado River Basin is the vast watershed in the western United States and northern Mexico that collects and channels water from multiple states and tributaries into the Colorado River, supporting major ecosystems, agriculture, and cities across an arid region.
  • E. Colorado River Indian Tribes Reservation
    The Colorado River Indian Tribes Reservation is a Native American reservation along the lower Colorado River that is home to a confederation of Mohave, Chemehuevi, Hopi, and Navajo tribes.
  • 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: Lower Colorado Region of the Bureau of Reclamation
Triple: [Parker Dam, managedBy, Lower Colorado Region of the Bureau of Reclamation]
Generated description
The Lower Colorado Region of the Bureau of Reclamation is a regional office of the U.S. Bureau of Reclamation responsible for managing water and power resources along the lower Colorado River and its associated infrastructure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lower Colorado Region of the Bureau of Reclamation
Target entity description: The Lower Colorado Region of the Bureau of Reclamation is a regional office of the U.S. Bureau of Reclamation responsible for managing water and power resources along the lower Colorado River and its associated infrastructure.
  • A. Lower Colorado River region
    The Lower Colorado River region is an area along the lower course of the Colorado River in the southwestern United States and northwestern Mexico, traditionally inhabited by Indigenous peoples whose cultures and languages are part of the Yuman language family.
  • B. Colorado River Storage and Regulation System
    The Colorado River Storage and Regulation System is a network of dams, reservoirs, and related infrastructure designed to manage, store, and control the flow of the Colorado River for water supply, flood control, and hydroelectric power generation.
  • C. Bureau of Reclamation
    The Bureau of Reclamation is a U.S. federal agency responsible for managing water resources and operating dams, reservoirs, and irrigation projects primarily in the western United States.
  • D. Colorado River Basin
    The Colorado River Basin is the vast watershed in the western United States and northern Mexico that collects and channels water from multiple states and tributaries into the Colorado River, supporting major ecosystems, agriculture, and cities across an arid region.
  • E. Colorado River Indian Tribes Reservation
    The Colorado River Indian Tribes Reservation is a Native American reservation along the lower Colorado River that is home to a confederation of Mohave, Chemehuevi, Hopi, and Navajo tribes.
  • 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_69b34543f06c8190915ebb1a4574ffa9 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b34ffce3d8819083d2278547fa52c1 completed March 12, 2026, 11:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5b7a7fbe0819080076b8d8e4c3bbe completed March 14, 2026, 7:31 p.m.
NEDg Description generation batch_69b5b84b58a081909618d0c108317f92 completed March 14, 2026, 7:34 p.m.
NED2 Entity disambiguation (via description) batch_69b5b8c3fb208190b091da57f7b1f704 completed March 14, 2026, 7:36 p.m.
Created at: March 12, 2026, 11:07 p.m.