Triple

T13230434
Position Surface form Disambiguated ID Type / Status
Subject George Mason Memorial Bridge E315001 entity
Predicate isMajorCrossingOf P12328 FINISHED
Object Potomac River near downtown Washington, D.C. E423 NE FINISHED

How this triple was built (2 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: Potomac River near downtown Washington, D.C. | Statement: [George Mason Memorial Bridge, isMajorCrossingOf, Potomac River near downtown Washington, D.C.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Potomac River near downtown Washington, D.C.
Context triple: [George Mason Memorial Bridge, isMajorCrossingOf, Potomac River near downtown Washington, D.C.]
  • A. 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.
  • B. 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.
  • 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. Potomac River chosen
    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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d806affc688190a25b6ccc588e9c72 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98d336ae08190bfc118cfbefddf84 completed April 10, 2026, 11:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6ff2c07488190ad07c544cca63a7d completed May 3, 2026, 7:54 a.m.
Created at: April 9, 2026, 9:21 p.m.