Triple

T19213809
Position Surface form Disambiguated ID Type / Status
Subject Presumpscot River E480424 entity
Predicate hasDam P8736 FINISHED
Object Eel Weir Dam
Eel Weir Dam is a hydroelectric and water-control structure located on Maine’s Presumpscot River, helping regulate river flow and support regional power generation.
 E1515901 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: Eel Weir Dam | Statement: [Presumpscot River, hasDam, Eel Weir Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Eel Weir Dam
Context triple: [Presumpscot River, hasDam, Eel Weir Dam]
  • A. Walterville Dam
    Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
  • B. 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.
  • C. Stevenson Dam
    Stevenson Dam is a hydroelectric dam on the Housatonic River in Connecticut, known for forming Lake Zoar and carrying Route 34 across the river.
  • D. Westville Dam
    Westville Dam is a flood-control and recreation dam located on the Quinebaug River in Massachusetts.
  • E. Forestville Dam
    Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
  • 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: Eel Weir Dam
Triple: [Presumpscot River, hasDam, Eel Weir Dam]
Generated description
Eel Weir Dam is a hydroelectric and water-control structure located on Maine’s Presumpscot River, helping regulate river flow and support regional power generation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Eel Weir Dam
Target entity description: Eel Weir Dam is a hydroelectric and water-control structure located on Maine’s Presumpscot River, helping regulate river flow and support regional power generation.
  • A. Walterville Dam
    Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
  • B. 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.
  • C. Stevenson Dam
    Stevenson Dam is a hydroelectric dam on the Housatonic River in Connecticut, known for forming Lake Zoar and carrying Route 34 across the river.
  • D. Westville Dam
    Westville Dam is a flood-control and recreation dam located on the Quinebaug River in Massachusetts.
  • E. Forestville Dam
    Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
  • 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_69d8e8cb8c348190b52075823911c869 completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5fa38c0e881908e9501ee21d0f266 completed April 20, 2026, 10:04 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0a7b52a8208190973e38f7d4b0f684 completed May 18, 2026, 2:37 a.m.
NEDg Description generation batch_6a0a7c6453908190a745827da3bc3037 completed May 18, 2026, 2:41 a.m.
NED2 Entity disambiguation (via description) batch_6a0a7ce3c684819090b25ca1e7596722 completed May 18, 2026, 2:43 a.m.
Created at: April 10, 2026, 1:22 p.m.