Triple

T21332
Position Surface form Disambiguated ID Type / Status
Subject Potomac River E423 entity
Predicate tributary P415 FINISHED
Object North Branch Potomac River
The North Branch Potomac River is the upper, more remote headwaters section of the Potomac River, flowing along the border of Maryland and West Virginia and supplying a major portion of the Potomac’s overall drainage.
E39922 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: North Branch Potomac River | Statement: [Potomac River, tributary, North Branch Potomac River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North Branch Potomac River
Context triple: [Potomac River, tributary, North Branch Potomac River]
  • A. Monocacy River
    The Monocacy River is a major river in Maryland known for its scenic valley, rich Civil War history, and role as a key waterway feeding into the Potomac River.
  • B. Potomac River
    The Potomac River is a major waterway in the Mid-Atlantic United States that flows through the Appalachian region and forms part of the boundary between Maryland, Virginia, and Washington, D.C.
  • C. Cacapon River
    The Cacapon River is a scenic, largely undeveloped river in eastern West Virginia known for its clear waters, outdoor recreation, and role in the Potomac River watershed.
  • D. Anacostia River
    The Anacostia River is a tidal river in the Washington, D.C. area known for its historical significance, urban setting, and long-running environmental restoration efforts.
  • E. Shenandoah River
    The Shenandoah River is a scenic waterway flowing through Virginia and West Virginia, famed for its pastoral valleys, Blue Ridge Mountain backdrop, and prominence in American folk music and Civil War history.
  • 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: North Branch Potomac River
Triple: [Potomac River, tributary, North Branch Potomac River]
Generated description
The North Branch Potomac River is the upper, more remote headwaters section of the Potomac River, flowing along the border of Maryland and West Virginia and supplying a major portion of the Potomac’s overall drainage.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: North Branch Potomac River
Target entity description: The North Branch Potomac River is the upper, more remote headwaters section of the Potomac River, flowing along the border of Maryland and West Virginia and supplying a major portion of the Potomac’s overall drainage.
  • A. Monocacy River
    The Monocacy River is a major river in Maryland known for its scenic valley, rich Civil War history, and role as a key waterway feeding into the Potomac River.
  • B. Potomac River
    The Potomac River is a major waterway in the Mid-Atlantic United States that flows through the Appalachian region and forms part of the boundary between Maryland, Virginia, and Washington, D.C.
  • C. Cacapon River
    The Cacapon River is a scenic, largely undeveloped river in eastern West Virginia known for its clear waters, outdoor recreation, and role in the Potomac River watershed.
  • D. Anacostia River
    The Anacostia River is a tidal river in the Washington, D.C. area known for its historical significance, urban setting, and long-running environmental restoration efforts.
  • E. Shenandoah River
    The Shenandoah River is a scenic waterway flowing through Virginia and West Virginia, famed for its pastoral valleys, Blue Ridge Mountain backdrop, and prominence in American folk music and Civil War history.
  • 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_69a243b4ac2c8190b93c303df797b7b2 completed Feb. 28, 2026, 1:24 a.m.
NER Named-entity recognition batch_69a2466ab310819091842a0ea9fd25de completed Feb. 28, 2026, 1:35 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3b46ccc208190acc5e91aa4463af8 completed March 1, 2026, 3:37 a.m.
NEDg Description generation batch_69a3bb43be948190985d96bf7a50b3a2 completed March 1, 2026, 4:06 a.m.
NED2 Entity disambiguation (via description) batch_69a3bb995ab0819095460fef7966c511 completed March 1, 2026, 4:07 a.m.
Created at: Feb. 28, 2026, 1:34 a.m.