Triple

T12127169
Position Surface form Disambiguated ID Type / Status
Subject Cedar Hill (Frederick Douglass home) E288837 entity
Predicate overlooks P1323 FINISHED
Object Anacostia River E38570 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: Anacostia River | Statement: [Cedar Hill (Frederick Douglass home), overlooks, Anacostia River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Anacostia River
Context triple: [Cedar Hill (Frederick Douglass home), overlooks, Anacostia River]
  • A. Anacostia River chosen
    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. Anacostia
    Anacostia is a historic neighborhood in Southeast Washington, D.C., known for its African American heritage and cultural landmarks.
  • 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. 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_69d6ab4b5e4c81909950b17151eb0951 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9157ce6b88190b16592cc48244db3 completed April 10, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f63ee285208190a0183e30c749f955 completed May 2, 2026, 6:13 p.m.
Created at: April 8, 2026, 9:49 p.m.