Triple

T4426907
Position Surface form Disambiguated ID Type / Status
Subject Penobscot River E95230 entity
Predicate tributary P415 FINISHED
Object East Branch Penobscot River
The East Branch Penobscot River is a major wilderness river in northern Maine known for its remote forests, whitewater stretches, and role in the region’s logging and outdoor recreation.
E95230 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 Branch Penobscot River | Statement: [Penobscot River, tributary, East Branch Penobscot River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: East Branch Penobscot River
Context triple: [Penobscot River, tributary, East Branch Penobscot River]
  • A. Penobscot River
    The Penobscot River is a major river in Maine that flows through central and eastern parts of the state to Penobscot Bay, historically important for transportation, logging, and fisheries.
  • B. Presumpscot River
    The Presumpscot River is a major river in southern Maine that flows from Sebago Lake to Casco Bay, historically important for industry and now valued for recreation and hydropower.
  • C. Sebasticook River
    The Sebasticook River is a major tributary of the Kennebec River in central Maine, known for its role in regional wildlife habitat and historic mill and dam sites.
  • D. 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.
  • E. Piscataquis River
    The Piscataquis River is a tributary of the Penobscot River in central Maine, known for flowing through largely rural, forested landscapes and lending its name to Piscataquis County.
  • 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 Branch Penobscot River
Triple: [Penobscot River, tributary, East Branch Penobscot River]
Generated description
The East Branch Penobscot River is a major wilderness river in northern Maine known for its remote forests, whitewater stretches, and role in the region’s logging and outdoor recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: East Branch Penobscot River
Target entity description: The East Branch Penobscot River is a major wilderness river in northern Maine known for its remote forests, whitewater stretches, and role in the region’s logging and outdoor recreation.
  • A. Penobscot River chosen
    The Penobscot River is a major river in Maine that flows through central and eastern parts of the state to Penobscot Bay, historically important for transportation, logging, and fisheries.
  • B. Presumpscot River
    The Presumpscot River is a major river in southern Maine that flows from Sebago Lake to Casco Bay, historically important for industry and now valued for recreation and hydropower.
  • C. Sebasticook River
    The Sebasticook River is a major tributary of the Kennebec River in central Maine, known for its role in regional wildlife habitat and historic mill and dam sites.
  • D. 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.
  • E. Piscataquis River
    The Piscataquis River is a tributary of the Penobscot River in central Maine, known for flowing through largely rural, forested landscapes and lending its name to Piscataquis County.
  • F. None of above.

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_69c2437136f48190b34454ce77397daf completed March 24, 2026, 7:55 a.m.
NEDg Description generation batch_69c4fb66b8e8819090524d1ef12688a7 completed March 26, 2026, 9:24 a.m.
NED2 Entity disambiguation (via description) batch_69c4fc3065bc81908d95fbd3d4655c76 completed March 26, 2026, 9:28 a.m.
Created at: March 12, 2026, 11:30 p.m.