Triple

T9174936
Position Surface form Disambiguated ID Type / Status
Subject Chagres River E220174 entity
Predicate hasDam P8736 FINISHED
Object Madden Dam
Madden Dam is a major concrete gravity dam in Panama that helps regulate the flow of the Chagres River and supplies water for the Panama Canal and hydroelectric power generation.
 E832420 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: Madden Dam | Statement: [Chagres River, hasDam, Madden Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Madden Dam
Context triple: [Chagres River, hasDam, Madden Dam]
  • A. Milner Dam
    Milner Dam is an early 20th-century irrigation and hydroelectric dam on the Snake River in southern Idaho that helps divert water for agriculture and power generation.
  • B. Howden Dam
    Howden Dam is a large masonry dam in Derbyshire, England, forming part of the Upper Derwent Valley reservoir system and known for its impressive architecture and role in regional water supply.
  • C. Wyman Dam
    Wyman Dam is a hydroelectric dam in Maine that impounds the Kennebec River to form Wyman Lake and generate power.
  • D. Wyman Dam
    Wyman Dam is a hydroelectric dam located on the Androscoggin River in Maine, used for power generation and river flow regulation.
  • E. Belver Dam
    Belver Dam is a hydroelectric dam on the Tagus River in Portugal, used primarily for power generation and river flow 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: Madden Dam
Triple: [Chagres River, hasDam, Madden Dam]
Generated description
Madden Dam is a major concrete gravity dam in Panama that helps regulate the flow of the Chagres River and supplies water for the Panama Canal and hydroelectric power generation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Madden Dam
Target entity description: Madden Dam is a major concrete gravity dam in Panama that helps regulate the flow of the Chagres River and supplies water for the Panama Canal and hydroelectric power generation.
  • A. Milner Dam
    Milner Dam is an early 20th-century irrigation and hydroelectric dam on the Snake River in southern Idaho that helps divert water for agriculture and power generation.
  • B. Howden Dam
    Howden Dam is a large masonry dam in Derbyshire, England, forming part of the Upper Derwent Valley reservoir system and known for its impressive architecture and role in regional water supply.
  • C. Wyman Dam
    Wyman Dam is a hydroelectric dam in Maine that impounds the Kennebec River to form Wyman Lake and generate power.
  • D. Wyman Dam
    Wyman Dam is a hydroelectric dam located on the Androscoggin River in Maine, used for power generation and river flow regulation.
  • E. Belver Dam
    Belver Dam is a hydroelectric dam on the Tagus River in Portugal, used primarily for power generation and river flow 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_69ca83e589948190ac9907819db11ddf completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccbfa2f9708190a955bf28a4f04004 completed April 1, 2026, 6:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69d23c8f14b081909df4eae9b2d16860 completed April 5, 2026, 10:42 a.m.
NEDg Description generation batch_69d23e6ca3908190b7ad7b932ab35ad7 completed April 5, 2026, 10:50 a.m.
NED2 Entity disambiguation (via description) batch_69d241020074819092bc2deea85a6ac0 completed April 5, 2026, 11:01 a.m.
Created at: March 30, 2026, 7:23 p.m.