Triple

T18303939
Position Surface form Disambiguated ID Type / Status
Subject Penobscot River Restoration Project E438433 entity
Predicate modifies P1121 FINISHED
Object Howland Dam
Howland Dam is a hydroelectric dam on Maine’s Piscataquis River that became a focal point of river restoration efforts to improve fish passage and ecosystem health.
E1465352 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: Howland Dam | Statement: [Penobscot River Restoration Project, modifies, Howland Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Howland Dam
Context triple: [Penobscot River Restoration Project, modifies, Howland Dam]
  • A. LaBarge Dam
    LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
  • B. Gathright Dam
    Gathright Dam is a large earthen dam in western Virginia that creates Lake Moomaw and provides flood control and recreation in the Jackson River basin.
  • C. Waddell Dam
    Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
  • D. O’Neill Dam
    O’Neill Dam is an earthfill embankment dam in California that forms the O’Neill Forebay as part of the state’s Central Valley Project water storage and conveyance system.
  • E. Fengman Dam
    Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
  • 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: Howland Dam
Triple: [Penobscot River Restoration Project, modifies, Howland Dam]
Generated description
Howland Dam is a hydroelectric dam on Maine’s Piscataquis River that became a focal point of river restoration efforts to improve fish passage and ecosystem health.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Howland Dam
Target entity description: Howland Dam is a hydroelectric dam on Maine’s Piscataquis River that became a focal point of river restoration efforts to improve fish passage and ecosystem health.
  • A. LaBarge Dam
    LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
  • B. Gathright Dam
    Gathright Dam is a large earthen dam in western Virginia that creates Lake Moomaw and provides flood control and recreation in the Jackson River basin.
  • C. Waddell Dam
    Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
  • D. O’Neill Dam
    O’Neill Dam is an earthfill embankment dam in California that forms the O’Neill Forebay as part of the state’s Central Valley Project water storage and conveyance system.
  • E. Fengman Dam
    Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
  • 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_69d8b915e3e881909125d760c15d0c29 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e5018176d481909536f50689f878d2 completed April 19, 2026, 4:23 p.m.
NED1 Entity disambiguation (via context triple) batch_6a09504e01b48190a7a40215c542580c completed May 17, 2026, 5:21 a.m.
NEDg Description generation batch_6a09533134208190918e7a545576465c completed May 17, 2026, 5:33 a.m.
NED2 Entity disambiguation (via description) batch_6a09539ec5a48190a9a513732b88e4c1 completed May 17, 2026, 5:35 a.m.
Created at: April 10, 2026, 10:35 a.m.