Triple

T10117176
Position Surface form Disambiguated ID Type / Status
Subject Buzzard Point E223191 entity
Predicate locatedAtConfluenceOf P11842 FINISHED
Object Anacostia River and Potomac River
The Anacostia River and Potomac River are two major waterways in the Washington, D.C. area whose confluence forms a significant geographic and ecological feature of the region.
E848555 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: Anacostia River and Potomac River | Statement: [Buzzard Point, locatedAtConfluenceOf, Anacostia River and Potomac River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Anacostia River and Potomac River
Context triple: [Buzzard Point, locatedAtConfluenceOf, Anacostia River and Potomac River]
  • A. 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.
  • 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. Patapsco River
    The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
  • D. Occoquan River
    The Occoquan River is a tributary of the Potomac River in northern Virginia, known for its role in regional water supply, recreation, and the historic town of Occoquan along its banks.
  • E. Severn River
    The Severn River is a tidal estuary in Maryland that flows into the Chesapeake Bay and is known for bordering the city of Annapolis and the U.S. Naval Academy.
  • 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: Anacostia River and Potomac River
Triple: [Buzzard Point, locatedAtConfluenceOf, Anacostia River and Potomac River]
Generated description
The Anacostia River and Potomac River are two major waterways in the Washington, D.C. area whose confluence forms a significant geographic and ecological feature of the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Anacostia River and Potomac River
Target entity description: The Anacostia River and Potomac River are two major waterways in the Washington, D.C. area whose confluence forms a significant geographic and ecological feature of the region.
  • A. 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.
  • 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. Patapsco River
    The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
  • D. Occoquan River
    The Occoquan River is a tributary of the Potomac River in northern Virginia, known for its role in regional water supply, recreation, and the historic town of Occoquan along its banks.
  • E. Severn River
    The Severn River is a major river in northern Ontario, Canada, that flows into Hudson Bay and has historically served as an important route for Indigenous peoples and the fur trade.
  • 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_69ca8422047c81909d66b717b8b18cf3 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cdd26317948190901197adbac01ed3 completed April 2, 2026, 2:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69d3699166dc81908643c52879405718 completed April 6, 2026, 8:06 a.m.
NEDg Description generation batch_69d37540b60c8190a52b03c57b4e3708 completed April 6, 2026, 8:56 a.m.
NED2 Entity disambiguation (via description) batch_69d3763948188190a47f48076fc767cb completed April 6, 2026, 9 a.m.
Created at: March 30, 2026, 9:04 p.m.