Triple

T4705216
Position Surface form Disambiguated ID Type / Status
Subject Gunpowder River E104376 entity
Predicate mouth P407 FINISHED
Object Chesapeake Bay E14865 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Chesapeake Bay | Statement: [Gunpowder River, mouth, Chesapeake Bay]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chesapeake Bay
Context triple: [Gunpowder River, mouth, Chesapeake Bay]
  • A. Chesapeake Bay chosen
    Chesapeake Bay is the largest estuary in the United States, known for its rich biodiversity, extensive watershed, and historical importance to the Mid-Atlantic region.
  • B. Chesapeake
    Chesapeake is an independent city in southeastern Virginia known for its mix of suburban communities, extensive wetlands, and location within the Hampton Roads region.
  • C. Baltimore Harbor
    Baltimore Harbor is a historic seaport in Baltimore, Maryland, best known as the site of the War of 1812 battle that inspired the United States national anthem.
  • D. Delaware Bay
    Delaware Bay is a large estuary of the Delaware River on the Atlantic coast of the United States, forming part of the boundary between New Jersey and Delaware and serving as an important ecological and shipping corridor.
  • E. Hampton Roads estuary
    The Hampton Roads estuary is a large natural harbor and tidal estuary in southeastern Virginia where several rivers meet the Chesapeake Bay, forming one of the world’s largest and busiest natural ports.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69bd43e9b88481908582103dcadff3d9 elicitation completed
NER batch_69bd63e808c88190877e98408498fb62 ner completed
NED1 batch_69be03d074348190a19092fa02a0bb39 ned_source_triple completed
Created at: March 20, 2026, 1:17 p.m.