Triple

T17860120
Position Surface form Disambiguated ID Type / Status
Subject Quinebaug River E446047 entity
Predicate hasDam P8736 FINISHED
Object East Brimfield Dam
East Brimfield Dam is a U.S. Army Corps of Engineers flood control structure in Massachusetts that helps regulate water levels and reduce flooding along the Quinebaug River.
E1303848 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: East Brimfield Dam | Statement: [Quinebaug River, hasDam, East Brimfield Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: East Brimfield Dam
Context triple: [Quinebaug River, hasDam, East Brimfield Dam]
  • A. Advancetown Dam
    Advancetown Dam, more commonly known as Hinze Dam, is a major rock and earth-fill embankment dam on the Nerang River in Queensland, Australia, that supplies drinking water and provides flood mitigation for the Gold Coast region.
  • B. South Natick Dam
    South Natick Dam is a historic mill dam on the Charles River in South Natick, Massachusetts, known for its scenic waterfall and role in the area’s early industrial development.
  • C. Granby Dam
    Granby Dam is a major earthfill dam in Colorado that forms Lake Granby, a key storage reservoir supplying water for irrigation, municipal use, and power generation in the region.
  • D. Watertown Dam
    Watertown Dam is a historic low-head dam on the Charles River in Watertown, Massachusetts, that once powered local industry and now helps regulate river flow and fish passage.
  • E. Fife Brook Dam
    Fife Brook Dam is a hydroelectric dam on the Deerfield River in western Massachusetts, known for regulating river flow and supporting popular whitewater recreation downstream.
  • 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: East Brimfield Dam
Triple: [Quinebaug River, hasDam, East Brimfield Dam]
Generated description
East Brimfield Dam is a U.S. Army Corps of Engineers flood control structure in Massachusetts that helps regulate water levels and reduce flooding along the Quinebaug River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: East Brimfield Dam
Target entity description: East Brimfield Dam is a U.S. Army Corps of Engineers flood control structure in Massachusetts that helps regulate water levels and reduce flooding along the Quinebaug River.
  • A. Advancetown Dam
    Advancetown Dam, more commonly known as Hinze Dam, is a major rock and earth-fill embankment dam on the Nerang River in Queensland, Australia, that supplies drinking water and provides flood mitigation for the Gold Coast region.
  • B. South Natick Dam
    South Natick Dam is a historic mill dam on the Charles River in South Natick, Massachusetts, known for its scenic waterfall and role in the area’s early industrial development.
  • C. Granby Dam
    Granby Dam is a major earthfill dam in Colorado that forms Lake Granby, a key storage reservoir supplying water for irrigation, municipal use, and power generation in the region.
  • D. Watertown Dam
    Watertown Dam is a historic low-head dam on the Charles River in Watertown, Massachusetts, that once powered local industry and now helps regulate river flow and fish passage.
  • E. Fife Brook Dam
    Fife Brook Dam is a hydroelectric dam on the Deerfield River in western Massachusetts, known for regulating river flow and supporting popular whitewater recreation downstream.
  • 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_69d8b9f26f18819089c9e43250bee6ae completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e4978f34948190a25deb4fd617ad72 completed April 19, 2026, 8:51 a.m.
NED1 Entity disambiguation (via context triple) batch_6a03565564b0819090eac67302810d50 completed May 12, 2026, 4:33 p.m.
NEDg Description generation batch_6a035737f0688190a5aee60a4e63b367 completed May 12, 2026, 4:37 p.m.
NED2 Entity disambiguation (via description) batch_6a03580bf97881909a4f7eb028362eef completed May 12, 2026, 4:40 p.m.
Created at: April 10, 2026, 10:17 a.m.