Triple

T4426908
Position Surface form Disambiguated ID Type / Status
Subject Penobscot River E95230 entity
Predicate tributary P415 FINISHED
Object Mattawamkeag River
The Mattawamkeag River is a river in Maine that flows through largely forested, rural areas before joining the Penobscot River.
E582179 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: Mattawamkeag River | Statement: [Penobscot River, tributary, Mattawamkeag River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mattawamkeag River
Context triple: [Penobscot River, tributary, Mattawamkeag River]
  • A. Raquette River
    The Raquette River is a major river in northern New York’s Adirondack region, known for its long, scenic course and popularity for paddling and outdoor recreation.
  • B. Madawaska River
    The Madawaska River is a significant river in eastern Ontario, Canada, known for its hydroelectric dams, whitewater paddling, and scenic course through the Ottawa Valley.
  • C. Mattagami River
    The Mattagami River is a major river in northeastern Ontario, Canada, that flows southward through several communities and supports hydroelectric power generation before joining the Moose River system.
  • D. Contoocook River
    The Contoocook River is a scenic river in southern New Hampshire known for its northward flow and popular recreational activities such as fishing, paddling, and whitewater boating.
  • E. Aroostook River
    The Aroostook River is a major tributary of the Saint John River flowing through northern Maine and western New Brunswick, known for its scenic valleys and recreational fishing and paddling.
  • 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: Mattawamkeag River
Triple: [Penobscot River, tributary, Mattawamkeag River]
Generated description
The Mattawamkeag River is a river in Maine that flows through largely forested, rural areas before joining the Penobscot River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mattawamkeag River
Target entity description: The Mattawamkeag River is a river in Maine that flows through largely forested, rural areas before joining the Penobscot River.
  • A. Raquette River
    The Raquette River is a major river in northern New York’s Adirondack region, known for its long, scenic course and popularity for paddling and outdoor recreation.
  • B. Madawaska River
    The Madawaska River is a significant river in eastern Ontario, Canada, known for its hydroelectric dams, whitewater paddling, and scenic course through the Ottawa Valley.
  • C. Mattagami River
    The Mattagami River is a major river in northeastern Ontario, Canada, that flows southward through several communities and supports hydroelectric power generation before joining the Moose River system.
  • D. Contoocook River
    The Contoocook River is a scenic river in southern New Hampshire known for its northward flow and popular recreational activities such as fishing, paddling, and whitewater boating.
  • E. Aroostook River
    The Aroostook River is a major tributary of the Saint John River flowing through northern Maine and western New Brunswick, known for its scenic valleys and recreational fishing and paddling.
  • 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_69b3453c2a0c8190926b574c90766db9 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b3554fb28081909018eaecc0c5c230 completed March 13, 2026, 12:07 a.m.
NED1 Entity disambiguation (via context triple) batch_69c5187dfe008190ac60e042527e55b3 completed March 26, 2026, 11:29 a.m.
NEDg Description generation batch_69c51d645a4c8190868bd75077ed8d28 completed March 26, 2026, 11:49 a.m.
NED2 Entity disambiguation (via description) batch_69c51dda73f48190b541aaa9a64c0861 completed March 26, 2026, 11:51 a.m.
Created at: March 12, 2026, 11:30 p.m.