Triple

T12453074
Position Surface form Disambiguated ID Type / Status
Subject South Branch Patapsco River E297579 entity
Predicate isHeadwaterOf P415 FINISHED
Object Patapsco River main stem E42828 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: Patapsco River main stem | Statement: [South Branch Patapsco River, isHeadwaterOf, Patapsco River main stem]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Patapsco River main stem
Context triple: [South Branch Patapsco River, isHeadwaterOf, Patapsco River main stem]
  • A. Patapsco River chosen
    The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
  • B. 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.
  • C. Middle Branch of the Patapsco River
    The Middle Branch of the Patapsco River is a tidal estuarine section of the Patapsco in Baltimore, Maryland, known for its industrial shoreline, waterfront parks, and role in the city’s harbor system.
  • D. 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.
  • E. Northeast Branch Anacostia River
    The Northeast Branch Anacostia River is a major tributary of the Anacostia River in Maryland, flowing through suburban communities and parklands before joining the river system that leads to 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_69d6ada166c48190b902972cd2408fa3 completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d94da0b5988190b9df26dd3bb87337 completed April 10, 2026, 7:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6cbb096d881908dfd2a7126632d96 completed May 3, 2026, 4:14 a.m.
Created at: April 8, 2026, 9:56 p.m.