Triple

T1972371
Position Surface form Disambiguated ID Type / Status
Subject Patapsco River E42828 entity
Predicate hasMajorTributary P415 FINISHED
Object South Branch Patapsco River
The South Branch Patapsco River is a principal headwater stream of Maryland’s Patapsco River, flowing through rural and forested areas before contributing to the river system that ultimately feeds into the Chesapeake Bay.
 E297579 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: South Branch Patapsco River | Statement: [Patapsco River, hasMajorTributary, South Branch Patapsco River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: South Branch Patapsco River
Context triple: [Patapsco River, hasMajorTributary, South Branch Patapsco River]
  • A. North Branch Patapsco River
    The North Branch Patapsco River is a principal headwater stream of the Patapsco River in central Maryland, contributing significantly to the river system that ultimately flows into the Chesapeake Bay.
  • B. Patapsco River
    The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
  • C. 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.
  • D. South Branch Potomac River
    The South Branch Potomac River is a major headwater stream of the Potomac River that flows through the Appalachian region of West Virginia and Virginia, known for its scenic valleys, outdoor recreation, and role in the Chesapeake Bay watershed.
  • E. South Fork South Branch Potomac River
    The South Fork South Branch Potomac River is a significant headwater stream in West Virginia that drains a largely rural, mountainous watershed before joining the South Branch of the Potomac River.
  • 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: South Branch Patapsco River
Triple: [Patapsco River, hasMajorTributary, South Branch Patapsco River]
Generated description
The South Branch Patapsco River is a principal headwater stream of Maryland’s Patapsco River, flowing through rural and forested areas before contributing to the river system that ultimately feeds into the Chesapeake Bay.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: South Branch Patapsco River
Target entity description: The South Branch Patapsco River is a principal headwater stream of Maryland’s Patapsco River, flowing through rural and forested areas before contributing to the river system that ultimately feeds into the Chesapeake Bay.
  • A. North Branch Patapsco River
    The North Branch Patapsco River is a principal headwater stream of the Patapsco River in central Maryland, contributing significantly to the river system that ultimately flows into the Chesapeake Bay.
  • B. Patapsco River
    The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
  • C. 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.
  • D. South Branch Potomac River
    The South Branch Potomac River is a major headwater stream of the Potomac River that flows through the Appalachian region of West Virginia and Virginia, known for its scenic valleys, outdoor recreation, and role in the Chesapeake Bay watershed.
  • E. South Fork South Branch Potomac River
    The South Fork South Branch Potomac River is a significant headwater stream in West Virginia that drains a largely rural, mountainous watershed before joining the South Branch of the Potomac River.
  • 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_69a8871289048190b00b0d7744b7b2b1 completed March 4, 2026, 7:25 p.m.
NER Named-entity recognition batch_69abb3f275408190affa93f8cb6a8184 completed March 7, 2026, 5:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69afc01679b08190888249a147330288 completed March 10, 2026, 6:54 a.m.
NEDg Description generation batch_69afc1bc172c8190a92cc6f2af1fdf9b completed March 10, 2026, 7:01 a.m.
NED2 Entity disambiguation (via description) batch_69afc20a59388190909dc3233581bd74 completed March 10, 2026, 7:02 a.m.
Created at: March 4, 2026, 7:36 p.m.